- Upload Images — Drop or browse PNG/JPG/BMP/GIF files (bulk supported).
- Set Quality — Choose quality: lossless, high (90%), medium (80%), low (60%), or custom slider.
- Convert — Click 'Convert to WebP' for instant conversion with size savings display.
- Download — Download individual WebP files.
PNG to WebP Converter — Compress Images for the Web
The PNG to WebP Converter is a free tool that converts PNG, JPEG, BMP, and GIF images to Google's WebP format entirely in your browser. WebP provides superior compression while maintaining excellent visual quality, making it the preferred format for modern websites.
Why WebP?
WebP is a modern image format developed by Google that provides both lossy and lossless compression. Compared to traditional formats, WebP offers significant advantages:
- 26% smaller than PNG for lossless images
- 25-34% smaller than JPEG at equivalent quality
- Alpha channel support — transparency like PNG but with compression
- Animation support — like GIF but much smaller
- Browser support — supported by all modern browsers (Chrome, Firefox, Safari, Edge)
Features
- Bulk Convert — Process multiple files simultaneously.
- Quality Control — Presets or custom slider (1-100%).
- Size Savings — See exact compression percentage for each file.
- Preview — Thumbnails for all uploaded images.
- 100% Private — No uploads, all processing in your browser.
Quality Guide
- Lossless (100%) — Perfect quality, smaller than PNG. Best for graphics, screenshots.
- High (90%) — Virtually indistinguishable from original. Excellent for photography.
- Medium (80%) — Great balance of quality and size. Recommended for web use.
- Low (60%) — Noticeable compression but very small files. Good for thumbnails.
Use Cases
- Web Development — Optimize images for faster page loads and better SEO.
- Email — Reduce attachment sizes while maintaining quality.
- Storage — Save disk space with smaller image files.
- Performance — Improve Core Web Vitals scores with smaller images.
Privacy
All conversion happens in your browser using the Canvas API. No files are uploaded. Works offline.