BMP to AVIF Converter

Convert BMP images to AVIF 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.

BMP decode → normalized image frames → AVIF encode

BMP input is decoded as an uncompressed or simply compressed bitmap with limited metadata.

AVIF output favors small files and supports alpha and animation, but encoding can take longer.