Video Watermark

About Video Watermark

Add image watermarks to your videos online for free. Customize position, size, and opacity.

How to use Video Watermark

Add your brand watermark easily: 1. Upload your target video file. 2. Upload your PNG or JPG watermark image. 3. Adjust the watermark position, size, and opacity to your preference. 4. Click 'Add Watermark' to embed it and download your protected video.

How it works

This tool processes your video locally in your browser using high-performance WebAssembly libraries. It overlays the chosen image onto the video frames at the specified coordinates and re-encodes the final output, ensuring your raw files are never uploaded to any external server.

Privacy & Security

  • ✅ 100% Private: No server-side storage
  • ✅ Fast: Zero upload/download latency
  • ✅ Secure: Sandbox processing environment