Trim, concat, and remux video and generate thumbnails with FFmpeg.
About this tool
Do common video chores right in the browser. Trim, concatenate, and remux video, then generate thumbnails, contact sheets, sprite sheets, and shot-boundary detections — powered by FFmpeg compiled to WebAssembly.
What it does
- Trim, concatenate, and remux video files
- Generate thumbnails and contact sheets
- Build sprite sheets for scrubbing previews
- Shot boundary detection
- Powered by FFmpeg in the browser
Repository
chayprabs/video-thumbnail-tool
Source code, issues, and releases
Spotted a bug or have an idea?
This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.
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