LIHA Tools

JPEG XL to APNG Converter

Convert JPEG XL images to APNG 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 JPEG XL to APNG conversion works

JPEG XL decode → normalized image frames → APNG encode

Reading JPEG XL

JPEG XL input may contain lossless or lossy pixels, alpha, wide color, and high dynamic range data.

Creating APNG

APNG output preserves full-color animation and alpha, but file sizes can be larger than modern animated formats.