FFmpeg Online — Run Commands in Your Browser
Run real ffmpeg commands on your video, audio or image — no install.
About the FFmpeg Online — Run Commands in Your Browser
A working ffmpeg command line in the browser. Drop in a video, audio file or image, type or pick a command, press Run and download the output. Powered by ffmpeg.wasm, so your files never leave your device.
Examples
Compress a clip
clip.mp4 + compress presetOutput
output.mp4, smaller file, downloadableExtract audio
clip.mp4 + extract audio presetOutput
output.mp3Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Read more
- Converting audio in the browser: bitrates, sample rates and when lossless matters
MP3, M4A, OGG, WAV and FLAC each have a job. Here is how to pick one, what bitrate to use, and how ffmpeg.wasm converts files without an upload.
- Compress, trim and convert video in the browser with FFmpeg WASM
How ffmpeg.wasm makes real video editing possible client-side, which presets to use for smaller files, and where the limits are.
Version 1.0.0 · Updated 2026-08-14 · Runs entirely in your browser