M4A
M4A is Apple's audio format (AAC). It sounds better than an MP3 of the same size and is what iPhone voice memos use.
Upload your files and download them converted in seconds.
Drop your files here
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Choose filesUp to 50 MB per file and 20 files at once
This tool converts M4A files to FLAC right in your browser. There's nothing to install and no account to create: upload the file, pick FLAC and download it.
Upload your M4A file: drag it onto the upload area or click “Choose files”.
Check that the target format is FLAC and click “Convert”.
Download your FLAC file as soon as it's ready.
| Feature | M4A | FLAC |
|---|---|---|
| Sound | Yes | Yes |
| Lossless quality | No | Yes |
M4A is Apple's audio format (AAC). It sounds better than an MP3 of the same size and is what iPhone voice memos use.
FLAC compresses audio without losing any quality: it's about half the size of a WAV and sounds exactly the same.
Yes. Conversion is free, you don't need an account and the result has no watermark. You can upload files of up to 50 MB.
Length and, for video, resolution are kept. If the FLAC uses lossy compression, a high quality setting is used so the difference is barely noticeable.
Your files are only used for the conversion and are deleted automatically after 60 minutes. They're never shared with anyone.
Yes. You can upload up to 20 files at once and convert them all with “Convert all”.
Yes. It works in any modern browser, on desktop and mobile, with nothing to install.