Watermark Video
100% private — runs on your device, never uploaded. Works offline once loaded.
Put your logo on a video before you publish it. Choose a corner or the centre, scale it as a percentage of the video width so it looks right whatever the source resolution, and set the opacity — a faint 30% mark is usually enough to claim the work without spoiling it. A PNG with a transparent background gives the best result. The video is re-encoded but the audio is copied through untouched. Free, and the footage never leaves your device.
Frequently asked questions
What image should I use?
A PNG with a transparent background. A JPEG will be drawn as a solid rectangle, because it has no transparency to respect.
Will the watermark be the right size on any video?
Yes — it is scaled as a percentage of the video’s own width, so 15% looks the same on a 720p clip as on a 4K one.
Is my video uploaded?
No — the overlay is composited in your browser.
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