LIHA Tools

AMR to MP3 Converter

Convert AMR audio to MP3 in a browser-only batch. Files and results are never uploaded.

Files stay in this browser tab and are never uploaded. Up to 250.0 MiB per file and 50 files.

Common output settings

Advanced settings

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

How AMR to MP3 conversion works

AMR decode → normalized audio stream → MP3 encode

Reading AMR

AMR input is optimized for narrowband or wideband speech and may have limited metadata.

Creating MP3

MP3 output is widely compatible and compact, using lossy audio with compatible ID3 metadata.