What happens when you convert M4A to FLAC
| Compression | Lossy → Lossless |
|---|---|
| Size per minute | M4A ≈ 1.4 MB → FLAC ≈ 6.4 MB |
| Quality | No further loss, but the FLAC cannot restore what M4A compression removed |
| Tags | Title, artist and album tags are copied when the target format supports them |
| Opens in | Android, Windows 10/11, macOS and audiophile players; older stereos do not |
Sizes are typical values; your files will vary with content and settings.
M4A MPEG-4 Audio
M4A is an MPEG-4 container holding AAC audio. iPhone voice memos, iTunes purchases and many recorders save M4A, and it sounds better than MP3 at the same bitrate.
M4A converterFLAC Free Lossless Audio Codec
FLAC compresses audio losslessly to around 50 to 60 percent of WAV size. Decoding gives back the exact original samples, so it is the format of choice for archiving music.
FLAC converterHow to use the M4A to FLAC Converter
- 1
Choose a M4A file or drop it onto the page.
- 2
Review the audio options. The defaults suit most files.
- 3
Click Convert and download your FLAC when processing finishes.
Why convert M4A to FLAC?
M4A files come from iPhone Voice Memos, iTunes purchases and many Android recorder apps. Some older players, car stereos and upload forms only accept MP3. Choose FLAC to keep the audio lossless at roughly half the size of WAV.
Frequently asked questions
Will the FLAC lose quality?
FLAC is lossless, so the conversion keeps every pixel or sample that is in your M4A file. It cannot bring back detail that M4A compression already removed, and the FLAC file will usually be larger.
Will the FLAC be smaller than the M4A?
No, usually larger: a minute of audio takes about 1.4 MB as M4A and about 6.4 MB as FLAC. FLAC is lossless, so its size depends on the audio rather than a bitrate setting.
Questions about privacy, file-size limits or conversion speed are answered in the general FAQ.