LIHA Tools

APNG to JPEG XL Converter

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

Files stay in this browser tab and are never uploaded. Up to 50.0 MiB per file and 200 files.

Common output settings

Advanced settings

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

How APNG to JPEG XL conversion works

APNG decode → normalized image frames → JPEG XL encode

Reading APNG

APNG input is read as PNG-compatible frames with frame delays, looping, and full alpha.

Creating JPEG XL

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