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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>Image Format Converter</title> |
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<style> |
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</style> |
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</head> |
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<body> |
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<h1>Image Format Converter</h1> |
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<form id="imageForm"> |
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<label for="imageInput">Select an Image:</label> |
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<input type="file" id="imageInput" accept="image/*" required onchange="detectImageFormat()"> |
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<p id="formatInfo">Detected Format: <span id="formatDisplay"></span></p> |
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<label for="targetFormat">Choose Target Format:</label> |
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<select id="targetFormat" required> |
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<option value="image/bmp">BMP</option> |
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<option value="image/eps">EPS</option> |
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<option value="image/gif">GIF</option> |
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<option value="image/ico">ICO</option> |
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<option value="image/jpeg">JPG</option> |
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<option value="image/png">PNG</option> |
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<option value="image/psd">PSD</option> |
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<option value="image/svg+xml">SVG</option> |
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<option value="image/tga">TGA</option> |
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<option value="image/tiff">TIFF</option> |
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<option value="image/webp">WebP</option> |
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</select> |
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<label for="quality">Quality (for JPEG and WebP):</label> |
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<input type="range" id="quality" min="1" max="100" step="1" value="85"> |
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<label for="decreaseSize">Decrease Image Size:</label> |
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<input type="checkbox" id="decreaseSize"> |
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<button type="button" onclick="convertImage()">Convert</button> |
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<a id="downloadLink" style="display: none" download="converted_image">Download Converted Image</a> |
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</form> |
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<script> |
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function detectImageFormat() { |
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const input = document.getElementById('imageInput'); |
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const formatDisplay = document.getElementById('formatDisplay'); |
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if (input.files.length > 0) { |
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const file = input.files[0]; |
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formatDisplay.textContent = file.type; |
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} |
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} |
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function convertImage() { |
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const input = document.getElementById('imageInput'); |
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const targetFormat = document.getElementById('targetFormat').value; |
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const quality = document.getElementById('quality').value; |
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const decreaseSize = document.getElementById('decreaseSize').checked; |
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const formatDisplay = document.getElementById('formatDisplay'); |
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const downloadLink = document.getElementById('downloadLink'); |
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if (input.files.length > 0) { |
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const file = input.files[0]; |
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formatDisplay.textContent = file.type; |
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const blob = file.slice(0, file.size, targetFormat); |
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const url = URL.createObjectURL(blob); |
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if (decreaseSize) { |
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const img = new Image(); |
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img.onload = function () { |
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const canvas = document.createElement('canvas'); |
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const ctx = canvas.getContext('2d'); |
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const maxWidth = 800; |
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const maxHeight = 800; |
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let newWidth = img.width; |
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let newHeight = img.height; |
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if (img.width > maxWidth) { |
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newWidth = maxWidth; |
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newHeight = (img.height * maxWidth) / img.width; |
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} |
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if (img.height > maxHeight) { |
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newHeight = maxHeight; |
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newWidth = (img.width * maxHeight) / img.height; |
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} |
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canvas.width = newWidth; |
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canvas.height = newHeight; |
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ctx.drawImage(img, 0, 0, newWidth, newHeight); |
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canvas.toBlob(function (smallBlob) { |
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const smallUrl = URL.createObjectURL(smallBlob); |
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downloadLink.href = smallUrl; |
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downloadLink.style.display = 'block'; |
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}, targetFormat, quality); |
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}; |
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img.src = url; |
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} else { |
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if (targetFormat === 'image/jpeg' || targetFormat === 'image/webp') { |
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const img = new Image(); |
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img.onload = function () { |
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const canvas = document.createElement('canvas'); |
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canvas.width = img.width; |
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canvas.height = img.height; |
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const ctx = canvas.getContext('2d'); |
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ctx.drawImage(img, 0, 0); |
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canvas.toBlob(function (compressedBlob) { |
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const compressedUrl = URL.createObjectURL(compressedBlob); |
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downloadLink.href = compressedUrl; |
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downloadLink.style.display = 'block'; |
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}, targetFormat, quality / 100); |
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}; |
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img.src = url; |
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} else { |
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downloadLink.href = url; |
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downloadLink.style.display = 'block'; |
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} |
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} |
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} |
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} |
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</script> |
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</body> |
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</html> |
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