Add video, image, and text overlays on top of your main video. Place PiP video, logos, titles, and shapes.
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 main video
Add video, image, text, or shape overlays
Position overlays on the canvas
Preview and export — 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.
Is the video overlay editor really free?
Yes — everything runs in your browser using FFmpeg.wasm. No server upload, no login, no credits.
Can I add a watermark or logo?
Yes — use Add Image Overlay and upload your PNG logo.
Can I do picture-in-picture?
Yes — use Add Video Overlay to place a second video inside your main video.
Free, no login, runs in your browser. Just upload and start.
No login · No watermark · No upload to server