Video to Audio
Extract audio from video files
Click or drop a video file hereChoose a video file
About Video to Audio
Video to Audio keeps only the sound of a video file and saves it in one of 19 audio formats: MP3, WAV, AAC, FLAC, OGG, M4A, Opus, WMA, AIFF, ALAC, AC3, M4R (iPhone ringtone), M4B (audiobook), MP2, WavPack, CAF, AU, MKA, or AMR (phone voice). The picture is skipped, so only the audio is decoded and encoded. The work is done by ffmpeg.wasm on your device, inside this browser tab, and the video is not uploaded, except for AMR: browsers cannot write it, so our media service extracts that sound, then deletes the video. It does not cut the sound; for that, use Trim Audio on the result.
How to extract the audio from a video
- 1Choose or drop the video whose sound you want to keep.
- 2Pick the output in "Target format".
- 3For MP3, AAC, M4A, M4R, M4B, OGG, WMA, AC3, or MP2, choose a bitrate in "Quality" (192 kbps is selected first).
- 4Click "Extract audio"; the first run also downloads the ffmpeg.wasm engine, about 10 MB.
- 5Listen to the result and click "Download" to save the audio file, named after the video.
Formats and limits
- Input formats
- MP4, M4V, MOV, QT, WebM, MKV, AVI, WMV, FLV, OGV, 3GP, 3GPP, 3G2, MPG, MPEG, TS, MTS, M2TS, VOB, MOD, TOD, ASF, F4V, MXF, DV, M2V, RM, RMVB, DivX, WTV
- Output formats
- MP3, WAV, AAC, FLAC, OGG, M4A, Opus, WMA, AIFF, ALAC, AC3, M4R, M4B, MP2, WV, CAF, AU, MKA, AMR
- Bitrate
- 128, 192, 256, or 320 kbps for the lossy formats that take one, AC3 and MP2 included; lossless formats ignore it
- File size
- The page sets no cap, yet the whole video is copied into the tab's memory, so a very large file can fail
Where your file is processed
The video is read and converted by ffmpeg.wasm in this tab; neither the video nor the extracted sound is uploaded, except when you choose AMR: the video then goes to our media service, which extracts the sound and deletes the video once it is done (the AMR file once downloaded, or after 15 minutes). The engine itself, about 10 MB, is downloaded from unpkg.com, a public code host, the first time. If extraction fails, we receive the cleaned error text, its type, the tool name, your browser and its version, the file extension, and a size range, never the file.
Frequently asked questions
Does extracting the audio lose quality?
No with WAV, FLAC, AIFF, ALAC, WavPack, or MKA: they store the decoded sound without loss. MP3, AAC, M4A, OGG, Opus, WMA, AC3, and MP2 compress it again, so some detail goes; a higher "Quality" bitrate keeps more. No format can restore what the video's own audio track already lost.
Which bitrate should I choose?
192 kbps is selected first. 128 kbps makes a smaller file, for example for speech, while 256 or 320 kbps makes a larger one that keeps more detail. The setting appears only for MP3, AAC, M4A, M4R, M4B, OGG, WMA, AC3, and MP2.
Will mono or stereo sound stay the same?
Yes: the page sends no channel setting to ffmpeg, so mono stays mono and stereo stays stereo. Sound with more than two channels was not tested here; to keep it, prefer a lossless format such as FLAC or WAV.
Can I make an iPhone ringtone from a video?
Yes. Choose "M4R (iPhone ringtone, AAC)" in the format list to get an .m4r file. To use only part of the sound, cut the result with Trim Audio before you add it to your phone.
Is there a file size limit?
No. The page sets none, but the whole video is copied into the browser tab's memory before extraction, so a very large file can make the tab run out of memory. If that happens, cut the video with Trim Video first.
Tips and tricks
- ✓Need the sound of one scene only? Cut it with the default fast cut of Trim Video first: nothing is re-encoded before the extraction.