Tools / Extract / Extract Thumbnail
Extract Runs in browser
Extract Thumbnail.
Grab a single still from the current frame.
✓ Your videos never leave your device✓ 100% local processing✓ No uploads✓ No account
Processed locally — no upload. Extract Thumbnail runs entirely in your browser. Large files use more memory and processing time depends on your device. Re-encoded video is exported as WebM here (MP4 requires cross-origin isolation, e.g. a production deploy in Chrome/Firefox).
Drop your video here
or click to browse — MP4, WebM, MOV, MKV, M4V
Files stay on your device · nothing is uploaded
Settings
Load a video to configure extract thumbnail.
Privacy first100% local processing
Capture a still image from your video
Extract Thumbnail saves the current video frame as a PNG image.
Move through the player to find the exact moment you want, then capture it.
The source video stays completely on your device.
100% local processing
Your videos never leave your device.
VideoDock processes your files inside the browser tab. Nothing is uploaded to a VideoDock processing server, stored in the cloud or sent to a third-party video processing service.
✓ No video uploads
✓ No account required
✓ Local browser processing
✓ Privacy-first by design
HowSimple workflow
How to use Extract Thumbnail
- Open the video.
- Move the player to the required frame.
- Pause at the exact moment.
- Capture the thumbnail locally.
- Download the PNG image.
FormatsBrowser compatible
Supported formats
The tool accepts browser-decodable video and exports the selected frame as PNG.
→PNG
?Extract Thumbnail FAQ
Yes. Move the video player to the desired moment before capturing.
No. VideoDock processes the file locally inside your browser. Your video is not uploaded to a VideoDock processing server or stored in the cloud.
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