Frequency Converter
Hz, kHz, MHz, GHz, rpm, rad/s and BPM — plus period and wavelength.
Take the soundtrack from any video as MP3, M4A, WAV, FLAC, OGG or Opus.
Drop a video here, or click to choose one
Converted on your device — the video is never uploaded
The Video to Audio Converter takes the soundtrack from any video and writes it as MP3, M4A, WAV, FLAC, OGG or Opus, with full control over quality and a trim.
Every video format carries its sound in a different codec, and every destination wants a different one: an editor wants WAV, a podcast host wants MP3, an archive wants FLAC, a phone wants M4A. Extracting audio should not mean choosing between an upload site and installing a desktop tool.
The conversion runs in your browser through ffmpeg.wasm — the real ffmpeg, compiled to WebAssembly. Nothing is uploaded: a wedding video, a client recording or an unreleased track never leaves your machine. The engine is a one-off download of about 32 MB, after which your browser caches it and every later conversion starts immediately.
MP4, MOV, MKV, WebM, AVI, FLV and WMV all go in; MP3, M4A, WAV, FLAC, OGG Vorbis and Opus come out. Set the bitrate, sample rate and channels, trim to a section, or normalise the loudness. Choosing WAV or FLAC keeps exactly what the video held, with no further loss — which is what you want before editing.
Lossy for sharing, lossless for editing.
MP4, MOV, MKV, WebM, AVI, FLV and WMV.
WAV and FLAC preserve exactly what the video held.
Give a start time and a length to take just the part you need.
ffmpeg runs inside the browser tab, so the file never leaves your computer.
Any common format, any length.
MP3 to share, WAV or FLAC to edit, Opus for speech.
Bitrate, sample rate, channels, start and length.
It all happens on your device.
MP3 if it will be shared or played anywhere, M4A for better quality at the same size, WAV or FLAC if the audio is going into an editor, Opus for speech at very small sizes.
No — it preserves what is there without losing more. The audio inside the video was already compressed; WAV simply stops any further loss.
Yes. Give a start time such as 1:30 and a length such as 60, and only that section is converted — which is also much faster.
The page checks the file first and tells you there is no audio track, rather than handing back an empty file.
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Write the first reviewHz, kHz, MHz, GHz, rpm, rad/s and BPM — plus period and wavelength.
RGB to HSV/HSB and back — the model colour pickers actually use.
All 148 CSS colour names as HEX — and the nearest name for any colour.
আজকের বাংলা তারিখ — any English date as a Bangla (Bangabda) date, and back.
DMS to decimal degrees and back — plus UTM, in bulk, with map links.
Lakh and crore to million and billion, and back — exactly.
JSON records into a formatted .xlsx — nested keys flattened, dates typed, filters on.
Any Tailwind CSS colour class as HEX — v3 and v4 — or the nearest class for a HEX.