All JXL Converters
JPG to JXL Popular
Convert JPEG images to JPEG XL format. Achieve up to 60% smaller files with lossless transcoding.
PNG to JXL New
Convert PNG images to JXL with full transparency support and superior lossless compression.
JXL to JPG Popular
Convert JPEG XL files back to standard JPEG for maximum compatibility with all devices.
HEIC to JXL New
Convert Apple HEIC photos to JPEG XL. Perfect for archiving iPhone images with superior compression.
JXL to PNG Coming Soon
Convert JPEG XL files to PNG format with full transparency preservation.
WebP to JXL Coming Soon
Upgrade from WebP to the next generation JPEG XL format for even better compression.
JXL to WebP Coming Soon
Convert JPEG XL to WebP for broad browser support while keeping modern compression.
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About JPEG XL Format
JPEG XL (JXL) is a next-generation image format designed to replace both JPEG and PNG. Developed by the Joint Photographic Experts Group, it offers significantly better compression while maintaining exceptional quality. JXL supports both lossy and lossless compression, transparency, animation, and wide color gamuts - making it ideal for web images, photography, and professional graphics.
Superior Compression
Up to 60% smaller than JPEG at same quality
Lossless JPEG Transcoding
Convert JPEGs without any quality loss
Alpha Transparency
Full transparency support like PNG
Progressive Decoding
Images load progressively for faster display
Why Use JPEG XL?
Save Storage Space
JXL files are significantly smaller than JPEG or PNG, reducing storage costs and bandwidth usage for websites and applications.
Faster Page Loads
Smaller file sizes mean faster loading times. Use our image resizer along with JXL conversion for optimal web performance.
Better Visual Quality
At the same file size, JXL provides noticeably better image quality with fewer artifacts than compressed JPEGs.
Future-Proof Format
JPEG XL is designed for the future with features like HDR support, making it ready for next-generation displays.
Frequently Asked Questions
JPEG XL is a modern image format that offers superior compression compared to JPEG, PNG, and even WebP. It can reduce file sizes by 30-60% while maintaining the same visual quality. It's ideal for photographers, web developers, and anyone looking to optimize image storage and delivery.
Safari (iOS 17+ and macOS Sonoma+) has native JXL support. Chrome and Firefox have experimental support behind flags. For maximum compatibility, consider using our JXL to JPG converter or serve WebP/AVIF as fallbacks using the <picture> element.
Yes! JPEG XL supports lossless transcoding of existing JPEG files. This means you can convert your JPEGs to JXL and back to JPEG without any quality degradation. Use our JPG to JXL converter with the lossless option enabled.
JXL generally offers better compression than WebP and comparable quality to AVIF, but with faster encoding/decoding speeds. Unlike WebP and AVIF, JXL can losslessly transcode existing JPEGs. For more format options, explore our JPG to AVIF and JPG to WebP converters.
Yes, JPEG XL fully supports alpha transparency, making it a great replacement for PNG files. Convert your transparent PNGs using our PNG to JXL converter to get smaller files while preserving transparency.
Yes! Our HEIC to JXL converter handles Apple's HEIC format perfectly. JXL offers even better compression than HEIC while maintaining excellent quality, making it ideal for archiving your iPhone photo library. You can also use our HEIC to JPG converter for maximum compatibility.
Our JXL converters run entirely in your browser using WebAssembly technology. Your images never leave your device, ensuring complete privacy. For server-side processing needs, check our PNG compressor which handles batch processing.