Added favicon and logo to website

app/about/page.tsx

@@ -1,6 +1,6 @@
 export default function About() {
   return (
-    <main className="min-h-screen p-8">
+    <main className="min-h-screen p-8 pt-24">
       <div className="max-w-2xl mx-auto">
         <h1 className="text-4xl font-bold mb-8 text-white">About</h1>
         
@@ -13,13 +13,9 @@ export default function About() {
               The Source Code is available on GitHub (link below).
             </p>
             
-            <h2 className="text-2xl font-bold text-white mt-6 mb-4">Features</h2>
-            <ul className="list-disc pl-6 text-gray-300 space-y-2">
-              <li>Password Generator - Create secure passwords with customizable options</li>
-              <li>Image Converter - Convert images between different formats</li>
-              <li>Website Bookmarks - Save and organize your favorite websites</li>
-              <li>More tools coming soon!</li>
-            </ul>
+            <div className="bg-zinc-900 rounded-lg p-4 mb-6">
+              <p className="text-sm text-blue-400 font-mono">Current Version: 0.2.0</p>
+            </div>
 
             <h2 className="text-2xl font-bold text-white mt-6 mb-4">Privacy</h2>
             <p className="text-gray-300 mb-6">

app/api/convert/route.ts

@@ -34,6 +34,15 @@ export async function POST(req: NextRequest) {
         case 'gif':
           convertedBuffer = await sharpInstance.gif().toBuffer()
           break
+        case 'ico':
+          convertedBuffer = await sharpInstance
+            .resize(256, 256, {
+              fit: 'contain',
+              background: { r: 0, g: 0, b: 0, alpha: 0 }
+            })
+            .png()
+            .toBuffer()
+          break
         default:
           throw new Error('Unsupported format')
       }

app/calculator/scientific/page.tsx

@@ -0,0 +1,186 @@
+'use client'
+import { useState } from 'react'
+
+export default function ScientificCalculator() {
+  const [display, setDisplay] = useState('0')
+  const [memory, setMemory] = useState<number>(0)
+  const [lastOperation, setLastOperation] = useState<string | null>(null)
+  const [newNumber, setNewNumber] = useState(true)
+
+  const operations = {
+    '+': (a: number, b: number) => a + b,
+    '-': (a: number, b: number) => a - b,
+    '×': (a: number, b: number) => a * b,
+    '÷': (a: number, b: number) => a / b,
+    'xⁿ': (a: number, b: number) => Math.pow(a, b),
+    'ⁿ√x': (a: number, b: number) => Math.pow(a, 1/b),
+  }
+
+  const handleNumber = (num: string) => {
+    if (newNumber) {
+      setDisplay(num)
+      setNewNumber(false)
+    } else {
+      setDisplay(display === '0' ? num : display + num)
+    }
+  }
+
+  const handleDecimal = () => {
+    if (newNumber) {
+      setDisplay('0.')
+      setNewNumber(false)
+    } else if (!display.includes('.')) {
+      setDisplay(display + '.')
+    }
+  }
+
+  const handleOperation = (op: string) => {
+    setMemory(parseFloat(display))
+    setLastOperation(op)
+    setNewNumber(true)
+  }
+
+  const handleEquals = () => {
+    if (lastOperation && !newNumber) {
+      const current = parseFloat(display)
+      const operation = operations[lastOperation as keyof typeof operations]
+      const result = operation(memory, current)
+      setDisplay(result.toString())
+      setNewNumber(true)
+      setLastOperation(null)
+    }
+  }
+
+  const handleFunction = (func: string) => {
+    const num = parseFloat(display)
+    let result: number
+
+    switch (func) {
+      case 'sin':
+        result = Math.sin(num * Math.PI / 180)
+        break
+      case 'cos':
+        result = Math.cos(num * Math.PI / 180)
+        break
+      case 'tan':
+        result = Math.tan(num * Math.PI / 180)
+        break
+      case 'log':
+        result = Math.log10(num)
+        break
+      case 'ln':
+        result = Math.log(num)
+        break
+      case '√':
+        result = Math.sqrt(num)
+        break
+      case 'x²':
+        result = num * num
+        break
+      case '1/x':
+        result = 1 / num
+        break
+      default:
+        return
+    }
+
+    setDisplay(result.toString())
+    setNewNumber(true)
+  }
+
+  const handleClear = () => {
+    setDisplay('0')
+    setMemory(0)
+    setLastOperation(null)
+    setNewNumber(true)
+  }
+
+  const handleBackspace = () => {
+    if (display.length > 1) {
+      setDisplay(display.slice(0, -1))
+    } else {
+      setDisplay('0')
+      setNewNumber(true)
+    }
+  }
+
+  const handlePlusMinus = () => {
+    setDisplay(display.startsWith('-') ? display.slice(1) : '-' + display)
+  }
+
+  const Button = ({ children, onClick, className = '' }: { children: React.ReactNode, onClick: () => void, className?: string }) => (
+    <button
+      onClick={onClick}
+      className={`p-3 text-white rounded-md transition-colors ${className}`}
+    >
+      {children}
+    </button>
+  )
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Scientific Calculator</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              A scientific calculator with advanced mathematical functions including trigonometry,
+              logarithms, and exponential operations.
+            </p>
+          </div>
+
+          <div className="space-y-4">
+            <div className="bg-zinc-900 p-4 rounded-lg">
+              <input
+                type="text"
+                readOnly
+                value={display}
+                className="w-full bg-transparent text-right text-2xl text-white font-mono outline-none"
+              />
+            </div>
+
+            <div className="grid grid-cols-4 gap-2">
+              {/* Scientific Functions */}
+              <Button onClick={() => handleFunction('sin')} className="bg-zinc-700 hover:bg-zinc-600">sin</Button>
+              <Button onClick={() => handleFunction('cos')} className="bg-zinc-700 hover:bg-zinc-600">cos</Button>
+              <Button onClick={() => handleFunction('tan')} className="bg-zinc-700 hover:bg-zinc-600">tan</Button>
+              <Button onClick={handleClear} className="bg-red-600 hover:bg-red-700">C</Button>
+
+              <Button onClick={() => handleFunction('log')} className="bg-zinc-700 hover:bg-zinc-600">log</Button>
+              <Button onClick={() => handleFunction('ln')} className="bg-zinc-700 hover:bg-zinc-600">ln</Button>
+              <Button onClick={() => handleFunction('√')} className="bg-zinc-700 hover:bg-zinc-600">√</Button>
+              <Button onClick={handleBackspace} className="bg-zinc-700 hover:bg-zinc-600">⌫</Button>
+
+              <Button onClick={() => handleFunction('x²')} className="bg-zinc-700 hover:bg-zinc-600">x²</Button>
+              <Button onClick={() => handleOperation('xⁿ')} className="bg-zinc-700 hover:bg-zinc-600">xⁿ</Button>
+              <Button onClick={() => handleOperation('ⁿ√x')} className="bg-zinc-700 hover:bg-zinc-600">ⁿ√x</Button>
+              <Button onClick={() => handleOperation('÷')} className="bg-blue-600 hover:bg-blue-700">÷</Button>
+
+              {/* Numbers and Basic Operations */}
+              <Button onClick={() => handleNumber('7')} className="bg-zinc-600 hover:bg-zinc-500">7</Button>
+              <Button onClick={() => handleNumber('8')} className="bg-zinc-600 hover:bg-zinc-500">8</Button>
+              <Button onClick={() => handleNumber('9')} className="bg-zinc-600 hover:bg-zinc-500">9</Button>
+              <Button onClick={() => handleOperation('×')} className="bg-blue-600 hover:bg-blue-700">×</Button>
+
+              <Button onClick={() => handleNumber('4')} className="bg-zinc-600 hover:bg-zinc-500">4</Button>
+              <Button onClick={() => handleNumber('5')} className="bg-zinc-600 hover:bg-zinc-500">5</Button>
+              <Button onClick={() => handleNumber('6')} className="bg-zinc-600 hover:bg-zinc-500">6</Button>
+              <Button onClick={() => handleOperation('-')} className="bg-blue-600 hover:bg-blue-700">-</Button>
+
+              <Button onClick={() => handleNumber('1')} className="bg-zinc-600 hover:bg-zinc-500">1</Button>
+              <Button onClick={() => handleNumber('2')} className="bg-zinc-600 hover:bg-zinc-500">2</Button>
+              <Button onClick={() => handleNumber('3')} className="bg-zinc-600 hover:bg-zinc-500">3</Button>
+              <Button onClick={() => handleOperation('+')} className="bg-blue-600 hover:bg-blue-700">+</Button>
+
+              <Button onClick={() => handlePlusMinus()} className="bg-zinc-600 hover:bg-zinc-500">±</Button>
+              <Button onClick={() => handleNumber('0')} className="bg-zinc-600 hover:bg-zinc-500">0</Button>
+              <Button onClick={() => handleDecimal()} className="bg-zinc-600 hover:bg-zinc-500">.</Button>
+              <Button onClick={() => handleEquals()} className="bg-green-600 hover:bg-green-700">=</Button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/changelog/page.tsx

@@ -0,0 +1,40 @@
+export default function Changelog() {
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Changelog</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6 space-y-8">
+          <div className="prose prose-invert max-w-none">
+            <div className="space-y-8">
+              <div>
+                <h2 className="text-2xl font-bold text-white mb-4">Version 0.2.0</h2>
+                <ul className="list-disc pl-5 space-y-2 text-gray-300">
+                  <li>Added Settings and Changelog pages</li>
+                  <li>Color Converter added</li>
+                  <li>Enhanced QR code generator</li>
+                  <li>Currency converter added</li>
+                  <li>Number Converter added</li>
+                  <li>Scientific Calculator added</li>
+                  <li>Removed bookmarked websites feature</li>
+                  <li>Updated navigation structure</li>
+                </ul>
+              </div>
+
+              <div>
+                <h2 className="text-2xl font-bold text-white mb-4">Version 0.1.0</h2>
+                <ul className="list-disc pl-5 space-y-2 text-gray-300">
+                  <li>Initial release</li>
+                  <li>Added basic tools: Password Generator, QR Code Generator</li>
+                  <li>Added converters: Number, Color, Currency</li>
+                  <li>Added Scientific Calculator</li>
+                  <li>Basic website layout and navigation</li>
+                </ul>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/coming_soon/page.tsx

@@ -1,13 +1,13 @@
 export default function ComingSoon() {
   return (
-    <main className="min-h-screen p-8">
+    <main className="min-h-screen p-8 pt-24">
       <div className="max-w-2xl mx-auto">
         <h1 className="text-4xl font-bold mb-8 text-white">Coming Soon</h1>
         
         <div className="bg-zinc-800 rounded-lg shadow-md p-6 space-y-8">
           <div className="prose prose-invert max-w-none">
             <p className="text-gray-300 mb-6">
-            This project is maintained and developed by <a href="https://github.com/danielvici" target="_blank" rel="noopener noreferrer" className="text-blue-500 hover:text-blue-600">me</a> as an individual developer. 
+          This project is maintained and developed by <a href="https://github.com/danielvici" target="_blank" rel="noopener noreferrer" className="text-blue-500 hover:text-blue-600">me</a> as an individual developer. 
             New functions and tools will be added as time and inspiration allow.
             </p>
             
@@ -16,10 +16,42 @@ export default function ComingSoon() {
             Instead, I add new tools and functions when I have a good idea and the time allows.
             </p>
 
-            <p className="text-gray-300 mt-8">
-              If you have suggestions for new tools or features, you can submit them via GitHub 
-              or contact <a href="https://x.com/danielvici123" target="_blank" rel="noopener noreferrer" className="text-blue-500 hover:text-blue-600">me</a> directly. I welcome any feedback and suggestions!
-            </p>
+            <div className="space-y-6">
+              <div>
+                <h2 className="text-2xl font-bold text-white mb-4">Planned Features</h2>
+                <ul className="list-disc pl-5 space-y-2 text-gray-300">
+                  <li>Text Tools
+                    <ul className="list-disc pl-5 mt-2 space-y-1">
+                      <li>Text Case Converter</li>
+                      <li>Lorem Ipsum Generator</li>
+                      <li>String Hash Generator</li>
+                    </ul>
+                  </li>
+                  <li>Development Tools
+                    <ul className="list-disc pl-5 mt-2 space-y-1">
+                      <li>JSON Formatter</li>
+                      <li>Base64 Encoder/Decoder</li>
+                      <li>URL Encoder/Decoder</li>
+                    </ul>
+                  </li>
+                  <li>Image Tools
+                    <ul className="list-disc pl-5 mt-2 space-y-1">
+                      <li>Image Resizer</li>
+                      <li>Image Format Converter</li>
+                      <li>Image Compression</li>
+                    </ul>
+                  </li>
+                </ul>
+              </div>
+
+              <div className="bg-blue-900/20 rounded-lg p-6 border border-blue-800">
+                <h3 className="text-xl font-bold text-blue-400 mb-2">Want to suggest a feature?</h3>
+                <p className="text-gray-300">
+                  Feel free to suggest new tools or features through the GitHub repository or contact <a href="https://x.com/danielvici123" target="_blank" rel="noopener noreferrer" className="text-blue-500 hover:text-blue-600">me</a> directly. 
+                  I welcome any feedback and suggestions!
+                </p>
+              </div>
+            </div>
           </div>
         </div>
       </div>

app/components/AddWebsite.tsx

@@ -7,12 +7,26 @@ export default function AddWebsite() {
   const [title, setTitle] = useState('')
   const [isAdding, setIsAdding] = useState(false)
 
+  const formatUrl = (inputUrl: string) => {
+    // Remove leading/trailing whitespace
+    let formattedUrl = inputUrl.trim()
+    
+    // If URL doesn't start with a protocol, add https://
+    if (!formattedUrl.match(/^https?:\/\//i)) {
+      formattedUrl = 'https://' + formattedUrl
+    }
+    
+    return formattedUrl
+  }
+
   const handleSubmit = (e: React.FormEvent) => {
     e.preventDefault()
     
-    // Validiere URL
+    const formattedUrl = formatUrl(url)
+    
+    // Validate URL
     try {
-      new URL(url)
+      new URL(formattedUrl)
     } catch {
       alert('Please enter a valid URL')
       return
@@ -20,23 +34,23 @@ export default function AddWebsite() {
 
     const newWebsite: PinnedWebsite = {
       id: Date.now().toString(),
-      title: title || url,
-      url: url.startsWith('http') ? url : `https://${url}`,
+      title: title || formattedUrl,
+      url: formattedUrl,
       addedAt: Date.now()
     }
 
-    // Lade bestehende Websites
+    // Load existing websites
     const existingWebsites = JSON.parse(localStorage.getItem('pinnedWebsites') || '[]')
     
-    // Füge neue Website hinzu
+    // Add new website
     localStorage.setItem('pinnedWebsites', JSON.stringify([...existingWebsites, newWebsite]))
 
-    // Setze Formular zurück
+    // Reset form
     setUrl('')
     setTitle('')
     setIsAdding(false)
 
-    // Lade die Seite neu um die neue Website anzuzeigen
+    // Reload page to show new website
     window.location.reload()
   }
 
@@ -59,10 +73,13 @@ export default function AddWebsite() {
               type="text"
               value={url}
               onChange={(e) => setUrl(e.target.value)}
-              placeholder="https://example.com"
+              placeholder="example.com"
               className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2"
               required
             />
+            <p className="text-sm text-gray-400 mt-1">
+              HTTPS will be added automatically if not provided
+            </p>
           </div>
           <div>
             <label className="block text-sm font-medium text-gray-300 mb-1">

app/components/Navbar.tsx

@@ -4,15 +4,23 @@ import Link from 'next/link'
 
 export default function Navbar() {
   return (
-    <nav className="bg-blue-900 p-4 shadow-lg">
+    <nav className="bg-blue-900 p-4 shadow-lg fixed w-full top-0 z-50">
       <div className="container mx-auto">
         <div className="flex justify-between items-center">
-          <div className="flex-1" /> {/* Spacer */}
-          <Link href="/" className="text-white font-bold text-xl hover:text-blue-100">
+          <Link href="/" className="text-white font-bold text-xl hover:text-blue-200">
             HOME
           </Link>
-          <div className="flex-1 flex justify-end">
-            <Link href="/about" className="text-white hover:text-blue-100">
+          <div className="flex gap-6">
+            <Link href="/coming_soon" className="text-white hover:text-blue-200">
+              Coming Soon
+            </Link>
+            <Link href="/changelog" className="text-white hover:text-blue-200">
+              Changelog
+            </Link>
+            <Link href="/settings" className="text-white hover:text-blue-200">
+              Settings
+            </Link>
+            <Link href="/about" className="text-white hover:text-blue-200">
               About
             </Link>
           </div>

app/converter/color/page.tsx

@@ -0,0 +1,155 @@
+'use client'
+import { useState, useEffect } from 'react'
+
+type ColorFormats = {
+  hex: string
+  rgb: string
+  hsl: string
+}
+
+export default function ColorConverter() {
+  const [color, setColor] = useState('#000000')
+  const [formats, setFormats] = useState<ColorFormats>({
+    hex: '#000000',
+    rgb: 'rgb(0, 0, 0)',
+    hsl: 'hsl(0, 0%, 0%)'
+  })
+
+  const hexToRgb = (hex: string): number[] => {
+    const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)
+    return result
+      ? [
+          parseInt(result[1], 16),
+          parseInt(result[2], 16),
+          parseInt(result[3], 16)
+        ]
+      : [0, 0, 0]
+  }
+
+  const rgbToHsl = (r: number, g: number, b: number): number[] => {
+    r /= 255
+    g /= 255
+    b /= 255
+
+    const max = Math.max(r, g, b)
+    const min = Math.min(r, g, b)
+    let h = 0
+    let s = 0
+    const l = (max + min) / 2
+
+    if (max !== min) {
+      const d = max - min
+      s = l > 0.5 ? d / (2 - max - min) : d / (max + min)
+
+      switch (max) {
+        case r:
+          h = (g - b) / d + (g < b ? 6 : 0)
+          break
+        case g:
+          h = (b - r) / d + 2
+          break
+        case b:
+          h = (r - g) / d + 4
+          break
+      }
+
+      h /= 6
+    }
+
+    return [
+      Math.round(h * 360),
+      Math.round(s * 100),
+      Math.round(l * 100)
+    ]
+  }
+
+  const updateFormats = (hex: string) => {
+    const rgb = hexToRgb(hex)
+    const hsl = rgbToHsl(rgb[0], rgb[1], rgb[2])
+
+    setFormats({
+      hex: hex,
+      rgb: `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`,
+      hsl: `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`
+    })
+  }
+
+  useEffect(() => {
+    updateFormats(color)
+  }, [color])
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Color Converter</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              Convert colors between different formats: HEX, RGB, and HSL.
+              Use the color picker or enter values manually to see the conversions.
+            </p>
+          </div>
+
+          <div className="space-y-6">
+            <div className="flex flex-col md:flex-row gap-6">
+              <div className="w-full">
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Color Picker
+                </label>
+                <input
+                  type="color"
+                  value={color}
+                  onChange={(e) => setColor(e.target.value)}
+                  className="w-full h-12 rounded-md cursor-pointer bg-zinc-700 p-1"
+                />
+              </div>
+            </div>
+
+            <div className="space-y-4">
+              <h2 className="text-xl font-semibold text-white">Color Values</h2>
+              
+              <div className="grid gap-4">
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    HEX
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={formats.hex}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    RGB
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={formats.rgb}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    HSL
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={formats.hsl}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/converter/currency/page.tsx

@@ -0,0 +1,173 @@
+'use client'
+import { useState, useEffect } from 'react'
+
+type ExchangeRates = {
+  [key: string]: number
+}
+
+const POPULAR_CURRENCIES = [
+  { code: 'USD', name: 'US Dollar' },
+  { code: 'EUR', name: 'Euro' },
+  { code: 'GBP', name: 'British Pound' },
+  { code: 'JPY', name: 'Japanese Yen' },
+  { code: 'CHF', name: 'Swiss Franc' },
+  { code: 'CAD', name: 'Canadian Dollar' },
+  { code: 'AUD', name: 'Australian Dollar' },
+  { code: 'CNY', name: 'Chinese Yuan' },
+]
+
+export default function CurrencyConverter() {
+  const [amount, setAmount] = useState('1')
+  const [fromCurrency, setFromCurrency] = useState('EUR')
+  const [toCurrency, setToCurrency] = useState('USD')
+  const [rates, setRates] = useState<ExchangeRates>({})
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState('')
+  const [lastUpdated, setLastUpdated] = useState<Date | null>(null)
+
+  useEffect(() => {
+    const fetchRates = async () => {
+      try {
+        setLoading(true)
+        setError('')
+        
+        // Using ExchangeRate-API (free tier)
+        const response = await fetch('https://open.er-api.com/v6/latest/EUR')
+        const data = await response.json()
+        
+        if (data.rates) {
+          setRates(data.rates)
+          setLastUpdated(new Date())
+        } else {
+          throw new Error('Failed to fetch exchange rates')
+        }
+      } catch (err) {
+        setError('Failed to load exchange rates. Please try again later.')
+      } finally {
+        setLoading(false)
+      }
+    }
+
+    fetchRates()
+  }, [])
+
+  const convert = () => {
+    if (!rates[fromCurrency] || !rates[toCurrency]) return '0.00'
+    
+    const amountNum = parseFloat(amount)
+    if (isNaN(amountNum)) return '0.00'
+
+    // Convert through EUR (base currency)
+    const inEUR = amountNum / rates[fromCurrency]
+    const result = inEUR * rates[toCurrency]
+    
+    return result.toFixed(2)
+  }
+
+  const handleSwap = () => {
+    setFromCurrency(toCurrency)
+    setToCurrency(fromCurrency)
+  }
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Currency Converter</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              Convert between different currencies using real-time exchange rates.
+              {lastUpdated && (
+                <span className="block text-sm text-gray-400 mt-1">
+                  Last updated: {lastUpdated.toLocaleString()}
+                </span>
+              )}
+            </p>
+          </div>
+
+          {loading ? (
+            <div className="text-center py-8">
+              <div className="text-blue-400">Loading exchange rates...</div>
+            </div>
+          ) : error ? (
+            <div className="text-red-500 text-sm p-3 bg-red-500/10 rounded-md border border-red-500/20">
+              {error}
+            </div>
+          ) : (
+            <div className="space-y-6">
+              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+                <div>
+                  <label className="block text-sm font-medium text-gray-300 mb-2">
+                    Amount
+                  </label>
+                  <input
+                    type="number"
+                    min="0"
+                    step="0.01"
+                    value={amount}
+                    onChange={(e) => setAmount(e.target.value)}
+                    className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2"
+                  />
+                </div>
+
+                <div className="flex items-end gap-2">
+                  <div className="flex-1">
+                    <label className="block text-sm font-medium text-gray-300 mb-2">
+                      From
+                    </label>
+                    <select
+                      value={fromCurrency}
+                      onChange={(e) => setFromCurrency(e.target.value)}
+                      className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2 text-sm"
+                    >
+                      {POPULAR_CURRENCIES.map(currency => (
+                        <option key={currency.code} value={currency.code} className="text-sm">
+                          {currency.code} - {currency.name}
+                        </option>
+                      ))}
+                    </select>
+                  </div>
+
+                  <button
+                    onClick={handleSwap}
+                    className="bg-zinc-700 text-white p-2 rounded-md hover:bg-zinc-600 transition-colors mb-0.5"
+                  >
+                    ⇄
+                  </button>
+
+                  <div className="flex-1">
+                    <label className="block text-sm font-medium text-gray-300 mb-2">
+                      To
+                    </label>
+                    <select
+                      value={toCurrency}
+                      onChange={(e) => setToCurrency(e.target.value)}
+                      className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2 text-sm"
+                    >
+                      {POPULAR_CURRENCIES.map(currency => (
+                        <option key={currency.code} value={currency.code} className="text-sm">
+                          {currency.code} - {currency.name}
+                        </option>
+                      ))}
+                    </select>
+                  </div>
+                </div>
+              </div>
+
+              <div className="bg-zinc-900 p-6 rounded-lg text-center">
+                <div className="text-sm text-gray-400 mb-2">Result</div>
+                <div className="text-2xl font-bold text-white">
+                  {amount} {fromCurrency} = {convert()} {toCurrency}
+                </div>
+                <div className="text-sm text-gray-400 mt-2">
+                  1 {fromCurrency} = {(rates[toCurrency] / rates[fromCurrency]).toFixed(4)} {toCurrency}
+                </div>
+              </div>
+            </div>
+          )}
+        </div>
+      </div>
+    </main>
+  )
+} 

app/converter/image/page.tsx

@@ -60,7 +60,7 @@ export default function ImageConverter() {
   }
 
   return (
-    <main className="min-h-screen p-8">
+    <main className="min-h-screen p-8 pt-24">
       <div className="max-w-2xl mx-auto">
         <h1 className="text-4xl font-bold mb-8 text-white">Image Converter</h1>
         
@@ -100,6 +100,7 @@ export default function ImageConverter() {
                 <option value="jpg">JPG</option>
                 <option value="webp">WebP</option>
                 <option value="gif">GIF</option>
+                <option value="ico">ICO</option>
               </select>
             </div>
 

app/converter/number/page.tsx

@@ -0,0 +1,143 @@
+'use client'
+import { useState } from 'react'
+
+export default function NumberConverter() {
+  const [value, setValue] = useState('')
+  const [fromBase, setFromBase] = useState('10')
+  const [error, setError] = useState('')
+
+  const isValidNumber = (num: string, base: string) => {
+    const validChars = {
+      '2': /^[01]+$/,
+      '10': /^[0-9]+$/,
+      '16': /^[0-9A-Fa-f]+$/
+    }
+    return validChars[base as keyof typeof validChars].test(num)
+  }
+
+  const convert = (input: string, from: string) => {
+    if (!input) return { binary: '', decimal: '', hex: '' }
+    
+    try {
+      if (!isValidNumber(input, from)) {
+        throw new Error('Invalid number for selected base')
+      }
+
+      const decimal = parseInt(input, parseInt(from))
+      if (isNaN(decimal)) throw new Error('Invalid number')
+
+      return {
+        binary: decimal.toString(2),
+        decimal: decimal.toString(10),
+        hex: decimal.toString(16).toUpperCase()
+      }
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Invalid input')
+      return { binary: '', decimal: '', hex: '' }
+    }
+  }
+
+  const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    setValue(e.target.value)
+    setError('')
+  }
+
+  const results = convert(value, fromBase)
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Number Converter</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              Convert numbers between binary (base 2), decimal (base 10), and hexadecimal (base 16) formats.
+              Enter a number in any base and see its equivalent representations.
+            </p>
+          </div>
+
+          <div className="space-y-6">
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Input Number
+                </label>
+                <input
+                  type="text"
+                  value={value}
+                  onChange={handleInputChange}
+                  placeholder="Enter a number"
+                  className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2"
+                />
+              </div>
+
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Input Base
+                </label>
+                <select
+                  value={fromBase}
+                  onChange={(e) => setFromBase(e.target.value)}
+                  className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2"
+                >
+                  <option value="2">Binary (Base 2)</option>
+                  <option value="10">Decimal (Base 10)</option>
+                  <option value="16">Hexadecimal (Base 16)</option>
+                </select>
+              </div>
+            </div>
+
+            {error && (
+              <div className="text-red-500 text-sm p-3 bg-red-500/10 rounded-md border border-red-500/20">
+                {error}
+              </div>
+            )}
+
+            <div className="space-y-4">
+              <h2 className="text-xl font-semibold text-white">Results</h2>
+              
+              <div className="grid gap-4">
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    Binary (Base 2)
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={results.binary}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    Decimal (Base 10)
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={results.decimal}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+
+                <div className="bg-zinc-900 p-4 rounded-lg">
+                  <label className="block text-sm font-medium text-gray-400 mb-1">
+                    Hexadecimal (Base 16)
+                  </label>
+                  <input
+                    type="text"
+                    readOnly
+                    value={results.hex}
+                    className="w-full bg-zinc-800 text-white rounded-md border border-gray-700 p-2"
+                  />
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/generator/password/page.tsx

@@ -3,16 +3,32 @@ import { useState } from 'react'
 
 export default function PasswordGenerator() {
   const [password, setPassword] = useState('')
-  const [length, setLength] = useState(12)
+  const [length, setLength] = useState(16)
   const [includeNumbers, setIncludeNumbers] = useState(true)
   const [includeSymbols, setIncludeSymbols] = useState(true)
+  const [includeLetters, setIncludeLetters] = useState(true)
+
+  const getStrengthDescription = (len: number) => {
+    if (len < 8) return { text: 'Very Weak - Not recommended for security', color: 'text-red-500' }
+    if (len < 12) return { text: 'Weak - Only for low-security needs', color: 'text-orange-500' }
+    if (len < 16) return { text: 'Moderate - Good for most purposes', color: 'text-yellow-500' }
+    if (len < 20) return { text: 'Strong - Recommended for sensitive data', color: 'text-green-500' }
+    return { text: 'Very Strong - Excellent for critical security', color: 'text-emerald-500' }
+  }
 
   const generatePassword = () => {
     const numbers = '0123456789'
     const symbols = '!@#$%^&*()_+-=[]{}|;:,.<>?'
     const letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
 
-    let chars = letters
+    // Ensure at least one type is selected
+    if (!includeLetters && !includeNumbers && !includeSymbols) {
+      setIncludeLetters(true)
+      return
+    }
+
+    let chars = ''
+    if (includeLetters) chars += letters
     if (includeNumbers) chars += numbers
     if (includeSymbols) chars += symbols
 
@@ -24,12 +40,25 @@ export default function PasswordGenerator() {
     setPassword(newPassword)
   }
 
+  const strength = getStrengthDescription(length)
+
   return (
-    <main className="min-h-screen p-8">
+    <main className="min-h-screen p-8 pt-24">
       <div className="max-w-2xl mx-auto">
         <h1 className="text-4xl font-bold mb-8 text-white">Password Generator</h1>
         
         <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              Generate secure passwords with customizable options. For maximum security, we recommend:
+            </p>
+            <ul className="list-disc pl-6 text-gray-300 space-y-1">
+              <li>Use at least 16 characters for sensitive accounts</li>
+              <li>Include a mix of letters, numbers, and special characters</li>
+              <li>Use different passwords for each account</li>
+            </ul>
+          </div>
+
           <div className="space-y-6">
             <div>
               <label className="block text-sm font-medium text-gray-300 mb-2">
@@ -37,15 +66,28 @@ export default function PasswordGenerator() {
               </label>
               <input
                 type="range"
-                min="8"
-                max="32"
+                min="4"
+                max="64"
                 value={length}
                 onChange={(e) => setLength(Number(e.target.value))}
                 className="w-full mt-2"
               />
+              <p className={`text-sm mt-2 ${strength.color}`}>
+                {strength.text}
+              </p>
             </div>
 
-            <div className="flex space-x-4">
+            <div className="flex flex-wrap gap-4">
+              <label className="flex items-center">
+                <input
+                  type="checkbox"
+                  checked={includeLetters}
+                  onChange={(e) => setIncludeLetters(e.target.checked)}
+                  className="rounded border-gray-600 bg-zinc-700 text-blue-500 mr-2 focus:ring-blue-500 focus:ring-offset-zinc-800"
+                />
+                <span className="text-gray-300">Letters</span>
+              </label>
+
               <label className="flex items-center">
                 <input
                   type="checkbox"

app/generator/qr/page.tsx

@@ -0,0 +1,143 @@
+'use client'
+import { useState, useRef } from 'react'
+import QRCode from 'qrcode'
+
+export default function QRGenerator() {
+  const [text, setText] = useState('')
+  const [qrDataUrl, setQrDataUrl] = useState('')
+  const [size, setSize] = useState(300)
+  const [darkColor, setDarkColor] = useState('#000000')
+  const [lightColor, setLightColor] = useState('#FFFFFF')
+  const canvasRef = useRef<HTMLCanvasElement>(null)
+
+  const generateQR = async () => {
+    if (!text) return
+
+    try {
+      const canvas = canvasRef.current
+      if (!canvas) return
+
+      await QRCode.toCanvas(canvas, text, {
+        width: size,
+        margin: 2,
+        color: {
+          dark: darkColor,
+          light: lightColor
+        }
+      })
+
+      setQrDataUrl(canvas.toDataURL('image/png'))
+    } catch (err) {
+      console.error('Error generating QR code:', err)
+    }
+  }
+
+  const downloadQR = () => {
+    if (!qrDataUrl) return
+
+    const link = document.createElement('a')
+    link.download = 'qrcode.png'
+    link.href = qrDataUrl
+    document.body.appendChild(link)
+    link.click()
+    document.body.removeChild(link)
+  }
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">QR Code Generator</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6">
+          <div className="prose prose-invert max-w-none mb-6">
+            <p className="text-gray-300">
+              Generate QR codes for text, URLs, or any other content. Customize the size and colors,
+              then download the QR code as a PNG image.
+            </p>
+          </div>
+
+          <div className="space-y-6">
+            <div>
+              <label className="block text-sm font-medium text-gray-300 mb-2">
+                Text or URL
+              </label>
+              <input
+                type="text"
+                value={text}
+                onChange={(e) => setText(e.target.value)}
+                placeholder="Enter text or URL"
+                className="w-full bg-zinc-700 text-white rounded-md border border-gray-600 p-2"
+              />
+            </div>
+
+            <div>
+              <label className="block text-sm font-medium text-gray-300 mb-2">
+                Size: {size}x{size} pixels
+              </label>
+              <input
+                type="range"
+                min="100"
+                max="1000"
+                step="50"
+                value={size}
+                onChange={(e) => setSize(Number(e.target.value))}
+                className="w-full"
+              />
+            </div>
+
+            <div className="grid grid-cols-2 gap-4">
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  QR Code Color
+                </label>
+                <input
+                  type="color"
+                  value={darkColor}
+                  onChange={(e) => setDarkColor(e.target.value)}
+                  className="w-full h-10 rounded-md cursor-pointer bg-zinc-700 p-1"
+                />
+              </div>
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Background Color
+                </label>
+                <input
+                  type="color"
+                  value={lightColor}
+                  onChange={(e) => setLightColor(e.target.value)}
+                  className="w-full h-10 rounded-md cursor-pointer bg-zinc-700 p-1"
+                />
+              </div>
+            </div>
+
+            <button
+              onClick={generateQR}
+              className="w-full bg-blue-500 text-white py-2 px-4 rounded-md hover:bg-blue-600 transition-colors"
+            >
+              Generate QR Code
+            </button>
+
+            <div className="flex justify-center">
+              <canvas ref={canvasRef} className="hidden" />
+              {qrDataUrl && (
+                <div className="space-y-4">
+                  <img
+                    src={qrDataUrl}
+                    alt="Generated QR Code"
+                    className="mx-auto border-4 border-white rounded-lg"
+                  />
+                  <button
+                    onClick={downloadQR}
+                    className="w-full bg-green-500 text-white py-2 px-4 rounded-md hover:bg-green-600 transition-colors"
+                  >
+                    Download QR Code
+                  </button>
+                </div>
+              )}
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/layout.tsx

@@ -6,7 +6,7 @@ const inter = Inter({ subsets: ['latin'] })
 
 export const metadata = {
   title: 'Tool Website',
-  description: 'Eine Sammlung nützlicher Tools',
+  description: 'A collection of useful web-based tools. Secure and Open Source.',
 }
 
 export default function RootLayout({
@@ -15,8 +15,11 @@ export default function RootLayout({
   children: React.ReactNode
 }) {
   return (
-    <html lang="de">
-      <body className={inter.className}>
+    <html lang="en">
+      <head>
+        <link rel="icon" type="image/vnd.microsoft.icon" href="/logo.ico" />
+      </head>
+      <body className="bg-zinc-900">
         <Navbar />
         {children}
       </body>

app/page.tsx

@@ -1,95 +1,81 @@
 'use client'
-import { useEffect, useState } from 'react'
 import Link from 'next/link'
-import { PinnedWebsite } from './types/types'
-import AddWebsite from './components/AddWebsite'
 
 export default function Home() {
-  const [pinnedWebsites, setPinnedWebsites] = useState<PinnedWebsite[]>([])
-  
-  useEffect(() => {
-    const saved = localStorage.getItem('pinnedWebsites')
-    if (saved) {
-      setPinnedWebsites(JSON.parse(saved))
-    }
-  }, [])
-
-  const handleDelete = (id: string) => {
-    const newWebsites = pinnedWebsites.filter(site => site.id !== id)
-    localStorage.setItem('pinnedWebsites', JSON.stringify(newWebsites))
-    setPinnedWebsites(newWebsites)
-  }
-
   const tools = [
     {
-      name: 'Password Generator',
-      file: '/password',
-      description: 'Create secure passwords with custom options',
+      category: 'Generators',
+      items: [
+        {
+          name: 'Password Generator',
+          file: '/generator/password',
+          description: 'Create secure passwords with custom options',
+        },
+        {
+          name: 'QR Code Generator',
+          file: '/generator/qr',
+          description: 'Generate and download QR codes for any text or URL',
+        },
+      ]
     },
     {
-      name: 'Image Converter',
-      file: '/img_converter',
-      description: 'Convert images between different formats',
+      category: 'Converters',
+      items: [
+        {
+          name: 'Image Converter',
+          file: '/converter/image',
+          description: 'Convert images between different formats',
+        },
+        {
+          name: 'Number Converter',
+          file: '/converter/number',
+          description: 'Convert numbers between binary, decimal, and hexadecimal',
+        },
+        {
+          name: 'Color Converter',
+          file: '/converter/color',
+          description: 'Convert colors between RGB, HEX, HSL',
+        },
+        {
+          name: 'Currency Converter',
+          file: '/converter/currency',
+          description: 'Convert between different currencies with live rates',
+        },
+      ]
     },
     {
-      name: 'More Coming Soon',
-      file: '/coming_soon',
-      description: 'Learn more about future features',
-      isComingSoon: true
-    }
+      category: 'Calculators',
+      items: [
+        {
+          name: 'Scientific Calculator',
+          file: '/calculator/scientific',
+          description: 'Advanced calculator with scientific functions',
+        },
+      ]
+    },
   ]
 
   return (
-    <main className="min-h-screen p-8 text-white">
+    <main className="min-h-screen p-8 pt-24 text-white">
       <div className="max-w-7xl mx-auto space-y-12">
-        {/* Tools Section */}
         <section>
-          <h2 className="text-2xl font-bold mb-6">Tools</h2>
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-            {tools.map((tool, index) => (
-              <Link 
-                key={index}
-                href={tool.file}
-                className={`p-6 rounded-lg border border-gray-700 bg-zinc-800 transition-colors duration-200 cursor-pointer
-                  ${tool.isComingSoon 
-                    ? 'opacity-50 hover:opacity-75' 
-                    : 'hover:border-blue-500'}`}
-              >   
-                <h2 className="text-xl font-semibold mb-2">{tool.name}</h2>
-                <p className="text-gray-400">{tool.description}</p>
-              </Link>
-            ))}
-          </div>
-        </section>
-
-        {/* Pinned Websites Section */}
-        <section>
-          <h2 className="text-2xl font-bold mb-6">Bookmarked Websites</h2>
-          <AddWebsite />
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-            {pinnedWebsites.map((website) => (
-              <div
-                key={website.id}
-                className="group relative p-6 rounded-lg border border-gray-700 bg-zinc-800 hover:border-blue-500 transition-colors"
-              >
-                <a
-                  href={website.url}
-                  target="_blank"
-                  rel="noopener noreferrer"
-                  className="block"
-                >
-                  <h3 className="text-xl font-semibold mb-2">{website.title}</h3>
-                  <p className="text-gray-400 truncate">{website.url}</p>
-                </a>
-                <button
-                  onClick={(e) => {
-                    e.preventDefault()
-                    handleDelete(website.id)
-                  }}
-                  className="absolute top-2 right-2 opacity-0 group-hover:opacity-100 text-gray-400 hover:text-red-500 transition-opacity"
-                >
-                  ✕
-                </button>
+          <h2 className="text-2xl font-bold mb-6 text-white">Tools</h2>
+          <div className="space-y-8">
+            {tools.map((category, categoryIndex) => (
+              <div key={categoryIndex}>
+                <h3 className="text-xl font-semibold mb-4 text-blue-400">{category.category}</h3>
+                <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+                  {category.items.map((tool, toolIndex) => (
+                    <Link 
+                      key={toolIndex}
+                      href={tool.file}
+                      className="p-6 rounded-lg border border-gray-700 bg-zinc-800 transition-colors duration-200 hover:border-blue-500"
+                    >   
+                      <h2 className="text-xl font-semibold mb-2 text-white">{tool.name}</h2>
+                      <p className="text-gray-400">{tool.description}</p>
+                    </Link>
+                  ))}
+                </div>
               </div>
             ))}
           </div>

app/settings/page.tsx

@@ -0,0 +1,41 @@
+'use client'
+import { useState, useEffect } from 'react'
+
+export default function Settings() {
+  const [darkMode, setDarkMode] = useState(true)
+
+  useEffect(() => {
+    const savedMode = localStorage.getItem('darkMode')
+    if (savedMode !== null) {
+      setDarkMode(JSON.parse(savedMode))
+    }
+  }, [])
+
+  const toggleDarkMode = () => {
+    const newMode = !darkMode
+    setDarkMode(newMode)
+    localStorage.setItem('darkMode', JSON.stringify(newMode))
+    // Apply dark mode to document
+    if (newMode) {
+      document.documentElement.classList.add('dark')
+    } else {
+      document.documentElement.classList.remove('dark')
+    }
+  }
+
+  return (
+    <main className="min-h-screen p-8 pt-24">
+      <div className="max-w-2xl mx-auto">
+        <h1 className="text-4xl font-bold mb-8 text-white">Settings</h1>
+        
+        <div className="bg-zinc-800 rounded-lg shadow-md p-6 space-y-8">
+          <div className="space-y-6">
+            <p className="text-gray-300">
+              Currently, there are no settings available.
+            </p>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+} 

app/types/types.ts

@@ -1,7 +0,0 @@
-export type PinnedWebsite = {
-  id: string;
-  title: string;
-  url: string;
-  icon?: string;
-  addedAt: number;
-}