AVIF to JPEG XL Converter

Convert AVIF images to JPEG XL in a browser-only batch. Files and results are never uploaded.

Common output settings

Advanced settings

Use lossless encoding when supported

The batch workspace is ready. Image encoding becomes available after the verified browser engine is loaded.

AVIF decode → normalized image frames → JPEG XL encode

AVIF input may contain high-efficiency pixels, alpha, HDR color data, and animation frames.

JPEG XL output supports efficient high-fidelity images and alpha, but browser and application support remains limited.