Screen recordings, phone videos, webinar downloads, class recordings: whatever the container, this pulls out the soundtrack and saves it as an MP3. It works on MP4, MOV, WebM, MKV, AVI and 3GP, and because it runs in your browser, private videos stay private.
Your file never leaves your device. Nothing is uploaded.
Drop an audio or video file here
Drop a video (mp4, mov, webm, mkv, avi…) up to 500MB. Nothing is uploaded.
Conversion runs on FFmpeg, compiled to WebAssembly, inside this browser tab. Licences and source
A little, as with any MP3. At 192 kbps it's inaudible for speech and most music. If you need an exact copy of the soundtrack for editing, choose WAV or FLAC instead; both are lossless.
Nowhere. The converter runs inside your browser tab, so the file is read and converted on your own device and saved straight back to it. It is never uploaded to Wave or anyone else, and we never see its name or contents.
You'll see a message saying the file has no audio track instead of getting an empty MP3. Some screen recorders save the microphone as a separate file; convert that one instead.
Yes. Convert to MP3 first, then use the free Wave AI transcription tool: the small MP3 uploads quickly and comes back as a transcript with speaker labels and an AI summary.
Related: Free Audio Converter That Never Uploads Your File · Free audio transcription · Free YouTube Transcript Generator · Convert MP4 to MP3 Without Uploading the Video · Convert M4A to MP3 in Your Browser · Convert WAV to MP3 and Make It 10x Smaller · Convert MP3 to WAV for Editing and Playback · Convert OGG and Opus Voice Notes to MP3 · Convert WebM to MP3 Right in Your Browser · Convert MOV to MP3: Audio From iPhone Videos
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