$ run --tool
Video Watermark
Add a text or logo watermark to your own video files, positioned exactly where you want it.
Drop a file here, or click to browse
MP4, MOV, WEBM, MKV — your own video files
Features
- ✓Text or logo (image) watermark
- ✓9-position placement grid with adjustable margin
- ✓Live preview of watermark placement before processing
- ✓Runs entirely in your browser — no upload
How to use
- 1Upload your video file
- 2Choose text or logo watermark and style it
- 3Pick a position from the 9-point grid
- 4Apply and download the watermarked video
Frequently asked questions
Is my video uploaded to a server?+
No — watermarking runs entirely in your browser using a WebAssembly build of FFmpeg.
Can I use this on YouTube videos?+
This tool only works with video files you upload from your own device, not videos downloaded from other sites.
Why does the first run take a while?+
The converter engine (~30MB) downloads once and is cached by your browser — later use is much faster.
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