offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Add Video Watermark
Overlay a watermark image on your video with customizable position and size to protect your content and add branding.
What this tool does
Add Video Watermark helps you overlay a watermark image on your video with customizable position and size to protect your content and add branding.
What you get
Add Video Watermark produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.
Files are processed locally in your browser using WebAssembly. This input is required.
Saved FFmpeg presets (stored locally)
Note: This tool requires uploading both a video and watermark image. Current implementation is limited to single file input. Use desktop video editing software for adding watermarks.
1.0 = original size
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.