Free Online Video Watermark Tool
Add watermarks to videos online for free. Supports image and video watermarks to protect copyright and strengthen your brand
Multi-Format Watermarks
Supports image watermarks (PNG, JPG, GIF) and video watermarks (MP4, WebM) to fit any creative need
Alpha Channel Support
WebM format supports an alpha channel for stunning visual effects that enhance brand professionalism
Privacy Protection
Fully processed in your browser — your videos never leave your device, keeping your privacy safe
Add Watermark to Video
Supports image and video watermarks (with alpha channel). Drag to adjust position and size
Select a video to add a watermark to
Supports images (PNG, JPG) and video (MP4, WebM with alpha channel)
Advanced Features
- Precise positioning: 5 watermark positions to perfectly fit any layout
- Flexible control: freely adjust watermark size, opacity, and margins
- Loop playback: video watermarks support looping for stronger brand presence
- Audio preserved: the original video's audio track is fully retained during processing
- Multiple output formats: supports MP4, WebM, MOV, and more
Use Cases
Brand Protection
Add brand logos to company promotional videos to prevent theft and boost brand recognition
Copyright Marking
Add copyright watermarks to original videos to protect IP and defend creator rights
Content Tagging
Add timestamps or channel marks to tutorial videos and livestream recordings for easier content management
Supported Formats
Full support for popular image and video formats to cover all watermarking needs
Also supports: JPG, JPEG, MOV, AVI, MKV, and more
Frequently Asked Questions
Which watermark formats are supported?
Supports image watermarks (PNG, JPG, GIF) and video watermarks (MP4, WebM). PNG supports transparent backgrounds, and WebM supports video watermarks with an alpha channel.
Can I customize the watermark position?
Yes. You can choose from 5 positions (top-left, top-right, center, bottom-left, bottom-right), and also adjust size, opacity, and margins.
Will adding a watermark affect video quality?
We use high-quality encoding parameters, so quality loss is minimal. The watermark is overlaid on the original video without affecting any uncovered area.
Will my video files be uploaded to a server?
No. Everything is processed locally in your browser — video files are never uploaded to any server, keeping your privacy fully protected.