Image Compressor

Free online image compressor to resize, convert, crop, and optimize images in your browser. Supports batch processing and ZIP download — files never leave your device.

Live demo: https://abhisekumar.github.io/image-compressor/

• Compress JPG, PNG, WebP (and AVIF when supported)
• Reduce file size before uploading to websites or apps
• Convert formats without installing desktop software
• Private: processing happens locally with the Canvas API

• Quality control (smaller ↔ better)
• Optional target file size (auto quality)
• Max width / height with aspect-ratio lock
• Convert to JPG, PNG, WebP (AVIF when supported)
• Before / after preview with size savings
• Batch upload and ZIP download
• Crop, rotate, and flip editor
• Paste images from clipboard
• Keeps the original when re-encoding would make a file larger

• HTML, CSS, JavaScript
• Browser Canvas API for compression
• JSZip (CDN) for ZIP export
• GitHub Pages hosting

npx serve .

• Canonical URL and Open Graph tags
• JSON-LD WebApplication schema
• robots.txt + sitemap.xml

• Password Generator
• Color Converter
• Accordion Survey

MIT © Abhisek Kumar