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Video Frame Extractor

Pull still frames out of a video as images — for thumbnails and contact sheets.

To extract frames from a video, add the file and choose how many stills you want. The first frame is selected by FFmpeg's thumbnail filter, which picks a representative frame rather than a black opening one, and further frames are sampled across the clip.

Runs in your browser
Engine
FFmpeg compiled to WebAssembly
First run
Downloads ~30 MB of FFmpeg core, then cached
Upload
None — the file never leaves your device
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why is the first run slow?

The FFmpeg WebAssembly core is about 30 MB and downloads once per session. After that it stays in the browser cache, and subsequent conversions start immediately.

Is my video uploaded anywhere?

No. FFmpeg runs inside your browser as WebAssembly, so the file is read from disk into memory and never sent to a server. That is also why there is no file size limit beyond your available RAM.

Why is it slower than desktop FFmpeg?

WebAssembly runs single-threaded here and cannot use your GPU, so encoding is typically several times slower than a native build. For a short clip that is fine; for a feature-length film, use desktop FFmpeg.

How to use the video frame extractor

  1. 1Select your video file — the file stays on your device and is never uploaded.
  2. 2Set the frames to extract.
  3. 3Set the width.
  4. 4Choose the format.
  5. 5Press Run, then download the result when it is ready.

Embed this tool

Put the working video frame extractor on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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