The Browser AI

video frame capture

capture frame

Export a JPG or PNG frame from a video at a selected timestamp. ffmpeg.wasm viene eseguito in un Web Worker dedicato: il video viene elaborato solo localmente e i risultati della compressione sono visualizzati in anteprima con HLS.js.

Loading video frame capture tool…

Per cosa è adatto video frame capture?

Video frame capture extracts a cover image, preview image, or material frame from a local video. The tool reads a selected timestamp and exports JPG or PNG with ffmpeg.wasm.

The first version uses a time input rather than a frame-by-frame picker. If the timestamp is beyond the video length, processing may fail.

Formati supportati: MP4, MOV, WebM, AVI; limite file singolo: 500MB.

Come utilizzare video frame capture

  1. Passo 1

    Select video

    Upload the video to capture from.

  2. Passo 2

    Enter timestamp

    Enter a time such as 00:00:03 and choose the image format.

  3. Passo 3

    Preview and download

    Check the captured frame, then download JPG or PNG.

Domande frequenti

What timestamp format should I use?

Use HH:MM:SS, such as 00:00:03.

Should I choose JPG or PNG?

JPG is usually smaller; PNG is better when you need lossless image output.

Will frame capture upload my video?

No. The video is processed only in the local browser.

Tecnologia e fonti di dati

  • ffmpeg.wasm — Official FFmpeg project documentation for running FFmpeg in the browser.
  • Comlink — Open-source RPC library for communication between the page and a Web Worker.