Load a GIF
Drop a GIF; it is decoded locally. The preview plays at the new speed once you move the slider.
Speed control
The slider goes from 0.25× (slow) to 4× (fast). Values below 1 slow the loop; above 1 speed it up.
How it works
Speed is applied by scaling each frame’s delay (and dropping frames on large speed-ups) so the loop stays smooth and the file stays reasonable.
Export
Click Generate GIF to write the new timing, then download your faster or slower loop.