What this is actually doing.
This is the focused version of “Sprite sheet cutter”: do the one job, inspect the result, and move on without opening a full editor.
Video & GIF
Cut a sprite sheet into frames.
Split a grid-based sprite sheet into individual PNG frames.
1 Choose2 Adjust3 Download
Choose file(s) to begin.
Useful to know
Four things worth knowing.
Where it stops.
It solves the named job, not every problem around it.
What to inspect.
Play the exported file from beginning to end and check picture, sound, crop, timing and orientation.
Worth knowing.
Keep the original until the finished result has worked in the place you made it for.