EbSynth

What it does

EbSynth is VFX software for retouching, rotoscoping, and stylization. You paint or edit a single keyframe, and the tool propagates that change across the rest of the video using a texture-synthesis algorithm. It is built for creators and VFX artists who want hand-drawn animation, digital makeup, or painterly looks without manual tracking.

EbSynth is useful for turning a painted keyframe into a consistent look across a video clip. In practice, you paint one frame, run the propagation, then fix broken areas with more keyframes. The tool does not use AI for propagation, only texture synthesis, so results depend on good keyframes and clear optical flow. A careful user should test the free plan first, check browser and graphics card settings, and note that projects are temporarily uploaded for rendering unless you use the Studio desktop app.