Local processing
Sprite Sheet Generator & Atlas Slicer
Pack individual animation frames, or slice an existing atlas locally in your browser.
Import animation frames
Drop PNG, JPEG or WebP frames here, or click anywhere in this area. Processing stays in your browser.
Choose framesAnimation preview
Plays the imported or sliced frames in their export order.
Import frames or a sprite sheet to preview the animation.
About this tool
Free sprite sheet generator to build an animation atlas from PNG, JPEG or WebP frames, or slice an existing sprite sheet locally in your browser.
What you can do
- Build a sprite sheet from ordered PNG, JPEG or WebP animation frames.
- Slice an existing sprite atlas into frames using its cell size and offsets.
- Preview the animation before export and control atlas columns, rows and padding.
- Download the generated sprite sheet as PNG, frame metadata as JSON or the extracted frames as ZIP.
How to use it
- 1Choose animation frames or import an existing sprite sheet.
- 2Set the atlas layout or frame dimensions and inspect the live preview.
- 3Download the sprite sheet PNG, metadata JSON or a ZIP of frames.
Frequently asked questions
Can I create a sprite sheet from separate PNG frames?
Yes. Import ordered PNG, JPEG or WebP frames, adjust the atlas settings and download a single sprite sheet PNG.
Can I slice an existing sprite sheet?
Yes. Import the atlas, enter the frame size and offsets, preview the slices and download the individual frames as a ZIP.
Does the sprite sheet generator upload my frames?
No. The generator runs locally in your browser and exports stay on your device.