Add a custom text watermark to your video for branding or attribution. Works instantly in your browser — no upload, no account needed.
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Choose Video FileMP4, WebM, MOV · Max 100MB
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This tool overlays a text watermark onto a video — choose your text, position, size and opacity, and the watermark will appear on the video throughout its entire duration. Useful for branding, attribution, or marking draft footage.
Processing happens entirely in your browser using a built-in video processing engine — your video is never uploaded to a server. The first time you use any of our video tools, there's a one-time download of this processing engine (around 30MB), cached afterward for instant use. Adding a watermark requires re-encoding the entire video, so processing time depends on its length and resolution.
Corner positions (such as bottom-right) are common for branding watermarks since they're visible without obscuring the main content. Centre placement is more prominent and harder to crop out, often used for draft labelling where visibility matters more than subtlety. Lower opacity values make the watermark more subtle and less distracting, while higher opacity makes it more prominent and harder to remove or ignore.
A watermark that's too small to read at the resolution your video will actually be viewed at isn't doing much — if your video will mostly be watched on phone screens, a watermark that looks reasonably sized when previewed on a desktop monitor might be nearly invisible on a small screen. Conversely, text that's too large can feel intrusive and draw attention away from the content itself. As a general guide, watermark text that occupies roughly 5-10% of the video's width tends to be readable without dominating the frame — though this varies depending on how important visibility of the watermark is to your specific use case (a copyright notice you want to be unmissable versus a subtle branding mark).
Colour choice also matters for legibility against varying backgrounds — a white watermark can become hard to read against light-coloured footage, just as a dark watermark can disappear against dark scenes. If your video has consistent lighting and colours throughout, choosing a watermark colour that contrasts well with that specific footage works best. For videos with widely varying scenes — some bright, some dark — a mid-opacity watermark with an outline or shadow effect (where supported) tends to remain visible across more varied backgrounds than a solid colour alone.
If you're planning multiple edits to a video — trimming, resizing, compressing, and watermarking — the order matters for both quality and watermark positioning. Watermarking is generally best done last, after other edits are finalised: if you watermark first and then crop or resize the video, the watermark's position and size will shift along with the rest of the frame, potentially moving it somewhere unintended (like off-screen, or into a different corner than planned). Trimming and resizing first, then watermarking the final version, ensures the watermark ends up exactly where you intend in the final output.
This tool adds a static text watermark that remains in the same position and appearance throughout the video. It doesn't currently support image/logo watermarks, animated watermarks, or watermarks that appear only during specific time ranges. The watermark becomes part of the video itself (it's "burned in") and cannot be removed without access to the original unwatermarked file.
For watermarking images instead of video, see our Image Watermark tool. To trim the video before watermarking, use Video Trimmer.
This tool currently supports text watermarks only. For image watermarks on still images, see our Image Watermark tool.
No, the watermark is burned into the video itself and becomes a permanent part of the footage. Keep your original unwatermarked file if you need it later.
Yes, the watermark appears continuously throughout the video's full duration in the position you choose.
Files up to 100MB are supported. Larger or longer videos take proportionally longer to process.
No, processing happens entirely within your browser.