Drop a surf clip here
or click to open a video from your Mac
The clip stays on your computer. Nothing is uploaded.
0:00
| Space | Play / pause |
| ← → | Step one frame (hold Shift for 10) |
| 1 2 3 4 | Speed 1/8, 1/4, 1/2, normal |
| P L A C G | Pen, line, arrow, circle, angle |
| H | Pan tool (or two-finger scroll when zoomed) |
| + − 0 | Zoom in, zoom out, fit (or pinch the trackpad) |
| Cmd+Z | Undo |
| X | Clear all drawings |
| R | Start recording, then pause / resume |
| S | Stop recording and save the video |
| Esc | Cancel the shape being drawn |
| D | Show / hide playback diagnostics |
| M | Switch video copy method (for browsers that show a black screen) |
Angle tool: click the first point, then the joint (knee, hip), then the last point.
Recordings capture exactly what you see on screen, including zoom, plus your voice.