FLAC to M4A Converter
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Convert FLAC to M4A online
Use this FLAC to M4A converter to turn FLAC files into M4A right in your browser — ideal for Apple music and voice memos and podcasts. FLAC uses lossless compression and M4A uses lossy compression, so file size and quality can change.
When should you convert FLAC to M4A?
- To reduce file size and make uploading and sharing easier
- When you need it for Apple music and voice memos
- When you need it for podcasts
- To open your files in apps that prefer M4A
What happens to your file
The FLAC audio is decoded and re-encoded to M4A with AAC in an MP4 container at 192 kbps, +faststart. There is no video stream involved, so the job is quick even for long recordings.
Settings this conversion runs with
| Engine | ffmpeg |
|---|---|
| Output codec | AAC in an MP4 container |
| Setting | 192 kbps, +faststart |
| Compression | Lossy |
What changes
- FLAC holds the full waveform, and M4A does not. This pass permanently discards the parts of the signal the codec judges inaudible — keep the FLAC file if it is your master.
- Cover art, lyrics, and most tags are not carried across — the output keeps the audio, not the metadata around it.
About FLAC and M4A files
FLAC audio
Strengths
- lossless quality
- smaller than WAV
- great for archiving
Limitations
- larger than MP3
- not supported everywhere
M4A audio
Strengths
- good quality at small size
- default on Apple devices
Limitations
- lossy
- needs converting for some players
FLAC vs M4A
| Format | FLAC | M4A |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | — | — |
| Best for | lossless music, audiophile libraries | Apple music and voice memos, podcasts |
Related tools
Frequently asked questions
- Does converting FLAC to M4A re-encode the file?
- The FLAC audio is decoded and re-encoded to M4A with AAC in an MP4 container at 192 kbps, +faststart. There is no video stream involved, so the job is quick even for long recordings.
- What should you know before converting FLAC to M4A?
- FLAC holds the full waveform, and M4A does not. This pass permanently discards the parts of the signal the codec judges inaudible — keep the FLAC file if it is your master.
- Is this FLAC to M4A converter free?
- Yes. You can convert FLAC to M4A online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. Use the converter from your browser without installing software or creating an account. Files are uploaded to our servers for processing.
- Will converting FLAC to M4A reduce quality?
- M4A uses lossy compression, so the file can get smaller while some visual quality may change.
- Are my files safe?
- Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.