Convert MP4 to FLAC
Pull the soundtrack out of any MP4 video and save it as FLAC in seconds. Conversion happens inside your browser, so even large or private videos are never uploaded.
Drop MP4 files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert MP4 to FLAC
- Click "Choose files" or drag your MP4 videos onto the page.
- Make sure "FLAC" is selected as the output format.
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your FLAC files.
Why convert MP4 to FLAC?
FLAC files are much smaller than video and play on any music player, phone or car stereo.
FLAC is best for hi-fi music collections, archiving CDs and lossless streaming. Supported by Android, iOS 11+, Windows 10+, macOS, most hi-fi players and browsers.
Will I lose quality?
The audio is decoded from the MP4 video and encoded to FLAC. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for FLAC.
MP4 vs FLAC
| MP4 | FLAC | |
|---|---|---|
| Full name | MPEG-4 Video | Free Lossless Audio Codec |
| Type | video | lossless |
| Best for | videos from phones, YouTube and social media | hi-fi music collections, archiving CDs and lossless streaming |
| Typical size | varies | ~5-6 MB at 16-bit / 44.1 kHz per minute |
| Compatibility | Universal video format. | Supported by Android, iOS 11+, Windows 10+, macOS, most hi-fi players and browsers. |
| Developed by | - | Xiph.Org Foundation (2001) |
MP4 to FLAC: questions
How do I convert MP4 to FLAC?
Open this page, add your MP4 file, make sure FLAC is selected as the output format and click Convert. Your FLAC file is ready to download in seconds.
Will converting MP4 to FLAC lose quality?
The audio is decoded from the MP4 video and encoded to FLAC. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for FLAC.
Is this MP4 to FLAC converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many MP4 files to FLAC at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between MP4 and FLAC?
MP4 (MPEG-4 Video) is a video format, the most common video format. We extract its soundtrack so you can save just the audio. FLAC (Free Lossless Audio Codec) is a lossless format: lossless compression that shrinks audio to roughly 50-60% of WAV size without losing a single bit of quality.
Does it work on Mac, Windows, iPhone and Android?
Yes. The MP4 to FLAC converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.