Convert Images to JXL
Optimize your photos by converting them to JPEG XL (JXL). Smaller file sizes, better quality, and 100% private conversion directly in your browser.
Need bulk JXL conversion?
ShrinkFile for macOS/iOS lets you batch convert hundreds of photos to or from JPEG XL, compress images efficiently, and strip location data — all locally with hardware acceleration.
Learn More about ShrinkFileWhy Convert Images to JXL (JPEG XL)?
Superior Compression
JPEG XL provides better compression than WebP, AVIF, and legacy JPG. It can reduce file sizes significantly while maintaining higher visual fidelity.
Browser-Native WASM
Our tool uses a high-performance WebAssembly encoder. This allows you to create next-gen JXL files directly in your browser without any server-side processing.
Privacy First
Your photos never leave your device. The conversion from JPG/PNG to JXL happens entirely within your browser session, keeping your private data private.
JPEG XL (JXL) FAQ
Is JXL better than WebP or AVIF?
In many tests, JPEG XL outperforms both WebP and AVIF, especially for high-quality photography. It also supports progressive decoding, which makes images look better while they are still loading.
Can I convert back from JXL?
Yes! You can use our JXL to JPG tool anytime to convert your next-gen JXL files back into a universally supported format.