Protect your video with a semi-transparent image or text watermark. Place it anywhere. Free, no login.
Drop a file or click to choose
MP4 · MOV · WebM supported
🔒 Your file is processed in your browser. It is not uploaded to any server for this tool.
Upload your video
Upload watermark image or use text
Set opacity and position
Export MP4 with watermark — free
Instant — No Install
Works directly in your browser. No app download needed.
Private & Secure
Your video never leaves your device for free tools.
No Login Required
Just upload and start editing. No account needed.
No Watermark
Export clean videos without any CutKarlo branding.
Can I make the watermark semi-transparent?
Yes — use the Opacity slider. 50% is a common watermark opacity.
Does the watermark cover the full video?
Yes — Full Video duration is the default for watermarks.
Free, no login, runs in your browser. Just upload and start.
No login · No watermark · No upload to server