Video Watermark

Add a text or logo image watermark to your video, with adjustable position, size, opacity and full-screen tiling. No upload.

Click to choose a video, or drag it here

Supports MP4 / WebM / MOV / MKV and more

Max 2GB per file; watermarking re-encodes the video, so it takes longer than trimming — please be patient.

Watermark type

Watermark text

Drag the watermark on the preview to move it; drag the corner to resize

Includes opacity, color/size or logo size, tiling, and output quality

About 30MB of engine is downloaded on first use, then cached for reuse. Watermarking re-encodes the video, so it takes longer than trimming — please be patient. The preview above shows the final overlay. Everything runs locally in your browser; files are never uploaded.