Composite a video, GIF or still image into another shot with a true four-point perspective warp. Drag each corner directly on the preview, add as many pinned layers as you need, and keyframe the corners to follow a moving screen, sign or sheet of paper. Reuse clips from your open editing sessions or add new files. Everything runs locally in your browser using WebCodecs — your file is never uploaded to a server, so it stays private and conversion starts instantly.
How to corner pin
- Add the background video or image that defines the output frame.
- Add a layer from an open session or upload another video, GIF or still image beside the pin controls.
- Drag the four handles onto the surface you want to replace. Add keyframes at later frames to animate the perspective.
- Add more pinned layers if needed, then click Create MP4 to export the composition.
Frequently asked questions
- What is corner pinning?
- Corner pinning maps the four corners of a video or image onto any quadrilateral. Unlike a normal resize, it preserves perspective so the layer can sit naturally on a screen, poster or moving page.
- Can I animate or track the corners?
- You can keyframe all four corners anywhere on the timeline. The editor interpolates the perspective between keys; automatic tracking is not required and is not applied silently.
- Can I use more than two files?
- Yes. The first input is the background and every additional input gets its own Corner Pin layer, handles and keyframes.