Is it safe to convert AAC to MP3 here?

Yes — your .aac 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 AAC to MP3

Convert AAC audio to the more widely compatible MP3 format.

Drop a .aac 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 AAC to MP3

AAC (.aac) 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 AAC to MP3 here?: Yes — your .aac 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.

Looking for something else? Browse all conversion tools.