Find animation jitter before it reaches your game.

Detect horizontal animation jitter, safely repair isolated X-position errors, verify the result, and export the corrected sprite sheet. Everything runs locally in your browser.

1. Load sprite sheet

Free public test. Analyze, repair, verify and export locally in your browser.

Choose PNG sprite sheet
Nothing loaded yet

Columns

Rows

Animation row

FPS

Alpha threshold

Maximum cells to scan

Safe repair is intentionally conservative. Only isolated horizontal X-position errors are eligible. Every repair is re-measured before it is accepted, and vertical animation motion is never auto-repaired.

2. Animation preview

Load a sprite sheet to begin.

–Current frame

–Center X

–Center Y

–Bottom margin

Waiting for a sheet.