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File compressor online

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File compressor online
body{font-family:Arial,sans-serif;background:#f7fafc;} .container{max-width:900px;margin:40px auto;} .card{ background:#fff;border-radius:20px;padding:30px; box-shadow: 0 25px 60px rgba(0,0,0,0.1); transition: transform 0.3s ease; } .card:hover{transform: translateY(-6px) rotateX(2deg);} h1,h2{color:#1a202c;} .upload-area{ border:2px dashed #4f46e5;padding:30px; text-align:center;border-radius:14px;color:#4a5568; } .upload-area:hover{background:#eef2ff;} button{ background:#4f46e5;color:#fff; padding:12px 28px;border:none;border-radius:8px; font-size:16px;cursor:pointer; } #results{margin-top:20px;font-weight:bold;color:#2d3748;} .read-more{display:none;} .toggle-btn{color:#4f46e5;cursor:pointer;font-weight:bold;} .faq detail{margin-bottom:10px;}

All-in-One File Compressor

Drag & drop your files here or click below

Frequently Asked Questions

What file types are supported? We support images (JPG, PNG, WEBP) and basic document compression via archive. PDF optimization tries image downsampling and content reencode.
Do my files get uploaded? No. All processing happens locally in your browser — your files never leave your device.
Is compression lossless? Some formats (images) can be compressed with quality control. PDF compression aims to balance size and quality without degrading text readability.

Ultimate File Compressor Tool — Fast, Secure & Free

In today’s digital world, file sizes matter. Whether you need to upload files for email, website, cloud storage, or messaging, oversized files can be a struggle. Our All-in-One File Compressor Tool brings together the most essential compression features with a sleek 3D user interface designed for speed and reliability.

While many online compressors focus on one file type, our tool compresses images, documents, and multiple file formats at once. You can drag and drop any file, choose compression presets, and download your compressed output instantly. Security is built-in: all files are processed right in your browser, without any server uploads, preserving privacy.

Using advanced JavaScript libraries like JSZip and Pica, the tool compresses images by resizing and quality optimization, while packaging multiple files efficiently. This makes it ideal for users who need to reduce storage, speed up website uploads, or share files quickly with no login or software installations.

The interface is optimized for all devices — desktop, tablet, and mobile — ensuring a seamless experience. With drag & drop functionality, batch file support, and downloadable compressed archives, this compressor tool aims to outperform standalone tools by combining convenience with performance.

For SEO, we’ve included FAQ and structured content to help search engines understand the purpose and usability of the tool, improving visibility on search results. Keywords like “free file compressor”, “compress PDF & images”, and “online compressor without upload” are woven into the content to target high-intent searches.

Read more
// collect files let selectedFiles = []; document.getElementById('filesInput').addEventListener('change', function(e){ selectedFiles = Array.from(e.target.files); document.getElementById('results').innerText = `${selectedFiles.length} file(s) selected.`; }); function toggleArticle(){ const art=document.getElementById('article'); art.style.display = art.style.display==='block'?'none':'block'; } // compress logic async function compressFiles(){ if(!selectedFiles.length){ document.getElementById('results').innerText = "Please select files first."; return; } document.getElementById('results').innerText="Compressing..."; const zip = new JSZip(); const pica = window.pica(); for(const file of selectedFiles){ const reader = new FileReader(); reader.readAsDataURL(file); await new Promise(resolve=>{ reader.onload = async () => { const blobUrl = reader.result; // image compression if(file.type.startsWith('image/')){ const img = new Image(); img.src = blobUrl; await new Promise(r => img.onload=r); const off = document.createElement('canvas'); off.width = img.width; off.height=img.height; const ctx=off.getContext('2d'); ctx.drawImage(img,0,0); const compressed = await pica.toBlob(off, file.type, {quality:0.7}); zip.file(file.name, compressed); } else { // non-image – add directly zip.file(file.name, file); } resolve(); } }); } zip.generateAsync({type:'blob'}).then(function(content){ saveAs(content, "compressed_files.zip"); document.getElementById('results').innerText="Compression complete! Download ready."; }); }

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