MP4 to FLAC Converter
Need to convert this file type? Drop it below — or drop any other file and we'll auto-switch. Outputs are auto-deleted after 2 hours; share links expire after 4.
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Convert MP4 to FLAC online
Use this MP4 to FLAC converter to turn MP4 files into FLAC right in your browser — ideal for lossless music, audiophile libraries and archiving audio. MP4 uses lossy compression and FLAC uses lossless compression, so file size and quality can change.
When should you convert MP4 to FLAC?
- To extract the audio from your video as FLAC
- To get FLAC's built-in advantage: lossless quality
- To move past MP4's common limitation: lossy compression
- To open your files in apps that prefer FLAC
About MP4 and FLAC files
MP4 video
Strengths
- plays almost everywhere
- good quality-to-size
- widely supported
Limitations
- lossy compression
- less flexible than MKV
FLAC audio
Strengths
- lossless quality
- smaller than WAV
- great for archiving
Limitations
- larger than MP3
- not supported everywhere
MP4 vs FLAC
| Format | MP4 | FLAC |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | — | — |
| Best for | streaming and sharing and playback on any device | lossless music and audiophile libraries |
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Frequently asked questions
- Is this MP4 to FLAC converter free?
- Yes. You can convert MP4 to FLAC online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. The conversion runs entirely in your browser — no installs and no account required.
- Why convert to FLAC instead of staying with MP4?
- FLAC is known for being lossless quality — that's what you gain by converting instead of keeping the MP4 file.
- Are my files safe?
- Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.
- Can I convert multiple MP4 files at once?
- Yes. Drop several files to convert them in a batch and download the results as a single ZIP.