Is it safe to convert M4A to MP3 here?

Yes — your .m4a file is converted entirely on your device. It is never uploaded anywhere.

Will the converted .mp3 file lose quality?

We use ffmpeg's standard settings for this pair, matching quality you'd get from a desktop tool.

Is there a file size limit?

Files up to 500MB are supported. No account required.

Convert M4A to MP3

Convert AAC-encoded M4A audio to the universally supported MP3 format.

Drop a .m4a file or click to browse

Max file size 500MB • No Account Required • Files Never Touch a Server

File signature verified before conversion — never uploaded

About converting M4A to MP3

M4A (.m4a) files can be converted to MP3 entirely in your browser — no software to install, no file upload, and no account required. The conversion runs on a WebAssembly build of ffmpeg directly on your device.

FAQ

Is it safe to convert M4A to MP3 here?: Yes — your .m4a file is converted entirely on your device. It is never uploaded anywhere.
Will the converted .mp3 file lose quality?: We use ffmpeg's standard settings for this pair, matching quality you'd get from a desktop tool.
Is there a file size limit?: Files up to 500MB are supported. No account required.

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