Video Thumbnail Generator
Video Thumbnail Generator online — Auto-generate several evenly-spaced thumbnail images from a video. 100% in your browser, nothing uploaded.
🔒 The video is opened and processed by your own browser — it is never uploaded.
Video Thumbnail Generator: auto-generate several evenly-spaced thumbnail images from a video. All processing happens on your device — large or private videos never get uploaded.
About Video Thumbnail Generator
Video Thumbnail Generator using only your browser's built-in video, canvas and recording APIs — no ffmpeg and no upload. The tool captures equally-spaced JPEG thumbnails across the clip and zips them. Because it runs locally, your footage stays completely private, though very long clips depend on your device's memory and speed.
How to use Video Thumbnail Generator
- 1Drop your video.
- 2The tool captures equally-spaced JPEG thumbnails across the clip and zips them.
- 3Download the result.
Why use Video Thumbnail Generator?
- ✓Anyone who needs a quick video thumbnail generator without installing software.
- ✓Privacy-conscious users — the video never leaves your device.
- ✓Free, with no length watermark on the core function.
Frequently asked questions
How do I video thumbnail generator?+
Drop your video here. The tool captures equally-spaced JPEG thumbnails across the clip and zips them. Then download the output — all in your browser.
Is there a size or length limit?+
There's no fixed limit, but processing runs on your device, so very long or high-resolution videos use lots of memory and time. Trim first or use shorter clips for best results.
Why is the output a WebM / GIF / WAV?+
These are the formats browsers can create natively without ffmpeg. WebM video, GIF animation and WAV audio all play widely and keep the tool 100% client-side.
Is my video uploaded?+
No. Everything is processed locally using your browser — your footage is never sent to a server.
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