MP4 to FLAC
MP4 to FLAC is a free online video converter for changing MP4 files into FLAC files. MP4 to FLAC accepts 1 MIME type, returns audio/flac, includes 0 settings, and runs in your browser on the device.
Drop .mp4 file here
or click to choose
Key facts
- Input
- 1 format: MP4 (video/mp4)
- Output
- FLAC (audio/flac)
- Runtime
- your browser on the device
- Settings
- 0 controls; default conversion path
- File mode
- 1 input file creates 1 output file
- Cost
- $0, no account required
How to use MP4 to FLAC
- 1
Open your MP4 file
Drop your MP4 file onto the page, or click to browse and pick one from your device.
- 2
Choose options
No options to configure. MP4 to FLAC uses sensible defaults.
- 3
Convert and download
Click Convert. Your FLAC file is ready to download in seconds.
MP4 to FLAC details
First, MP4 to FLAC reads MP4 source files and prepares FLAC output for the video workflow. Next, MP4 to FLAC keeps the conversion path simple with no extra controls. Additionally, Files and text stay in the browser session.
Pull the audio track out of an MP4 and re-encode it as FLAC, a lossless compressed audio format. The video stream is discarded; this is the right tool when you want the cleanest possible audio extraction for archival or further editing. Heads-up: MP4 audio is almost always AAC, which is lossy, so the FLAC will faithfully preserve the decoded audio but it can't recover information the original AAC encode threw away; you don't get true lossless from a lossy source. The conversion runs entirely in your browser via ffmpeg.wasm; nothing is uploaded. FLAC files are noticeably larger than MP3 or AAC but smaller than WAV.
Common searches
- mp4 to flac
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Related tools
Tools that work with the same formats — most users open one of these next.
Video Trimmer
Cut a clip from a video file — MP4, WEBM, MKV, MOV, AVI — in your browser.
Compress Video
Shrink a video file by re-encoding to H.264 with a quality preset — free, in-browser.
MP4 to MP3
Extract the audio track from an MP4 video as an MP3 file — free online.
MP4 to WAV
Extract the audio track from an MP4 video as an uncompressed WAV file.
MP4 to AAC
Extract the AAC audio track from an MP4 video — free online, no re-encode.
MP4 to WebM
Convert MP4 video to WebM (VP9 + Opus) — free, runs entirely in your browser.
Frequently asked
What is MP4 to FLAC?
MP4 to FLAC is a free online video converter for changing MP4 files into FLAC files. MP4 to FLAC accepts 1 MIME type, returns audio/flac, includes 0 settings, and runs in your browser on the device.
What files does MP4 to FLAC accept and create?
MP4 to FLAC accepts MP4 files (video/mp4) and creates FLAC files (audio/flac). There are no required settings before conversion.
Do my files and data stay private?
Yes. MP4 to FLAC runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use MP4 to FLAC?
Open MP4 to FLAC, drop in your MP4 file, choose any options, and click Convert. Your browser does the work locally and produces a FLAC file you can save right away.
What is the maximum file size for MP4 to FLAC?
Because MP4 to FLAC runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.