Convert to WebP Online
Without Uploading to Any Server
Powerful free browser-based converter that transforms PNG, JPG, HEIC, AVIF and more into highly optimized WebP images. Enjoy massive file size reduction (often 25-70% smaller than JPG) while maintaining excellent visual quality. 100% private, unlimited, and lightning fast.
or click to browse · Supports PNG, JPG, HEIC, AVIF, BMP, TIFF and more
Transform Any Image. Dramatically Reduce Size.
Experience the power of WebP - the modern image format designed for the web. See real before-and-after results when converting with iCompressIt.
Convert heavy PNGs, legacy JPGs, iPhone HEIC photos, and modern AVIF files into efficient WebP format optimized for websites, apps, and social media.
WebP is now widely supported by all modern browsers. Converting your image library to WebP can significantly improve website speed, reduce bandwidth costs, and boost your SEO performance.
Powerful Features for Converting to WebP
Everything you need for fast, high-quality image conversion directly in your browser.
Broad Format Support
Convert PNG with transparency, high-resolution JPGs, iPhone HEIC files, AVIF, BMP, TIFF and many more formats into the modern WebP standard.
Superior Compression Technology
WebP typically achieves 25-35% better compression than JPEG and up to 3× better than PNG while maintaining excellent visual fidelity.
Lossless & Lossy Modes
Choose lossless WebP for pixel-perfect quality or lossy for maximum size savings. Full alpha channel (transparency) support included.
Complete Privacy & Security
Your images are processed entirely client-side using HTML5 Canvas and WebAssembly technologies. Nothing is sent to any server.
Unlimited & Free Forever
No account required, no daily limits, no watermarks. Convert as many images as you want, any time.
Powerful Batch Processing
Process dozens or hundreds of mixed-format images simultaneously and export them all at once as individual WebP files or a convenient ZIP archive.
How iCompressIt Converts Images to WebP
Upload or Drop Files
Drag & drop or select your PNG, JPG, HEIC, or other image files. Supports batch upload with no file size restrictions.
Instant Browser Conversion
Our client-side engine decodes the original image and re-encodes it to WebP using optimized quality and compression settings.
Download Your Optimized WebPs
Review the impressive size savings, then download individual files or the entire batch as a ZIP. Ready for immediate use on your website or projects.
Frequently Asked Questions
Everything you need to know about converting images to WebP with iCompressIt.