Sprite Sheet Packer
Sprite Sheet Packer: A free browser tool for slicing sheets and packing frames, with local processing and JSON exports. Ranked #22 of 34 in Sprite Sheet Maker Software by our editors (6.4/10); pricing: Free plan; best for free browser tool for sheet slicing and basic repacking.
At a glance
- Editor score6.4 / 10
- PricingFree plan
- Best forFree browser tool for sheet slicing and basic repacking
- Free planYes
- Paid fromFree
- Sprite trimmingYes
- Facts checked14 Nov 2026
Where it wins
- Slices grid sheets into frames and packs individual images into sheets
- Trims transparent borders while preserving alignment in equal-sized batches
- Processes files locally and exports transparent PNGs and JSON manifests
Where it doesn't
- Does not support rotation packing
- Does not pack multiple atlases
- Animated inputs are decoded as one bitmap, not split into frames
Our verdict on Sprite Sheet Packer
Sprite Sheet Packer is a free browser utility for slicing grid sprite sheets into individual frames and packing images or completed sheets into transparent PNG outputs. Its focus is practical frame preparation: solo creators and small teams can trim transparent borders, resize frames with nearest-neighbor scaling, and choose padded uniform-cell grids or compact individual-frame layouts. It also exports raw grid slices as PNGs in a ZIP archive. Files are processed locally in the browser, so the workflow does not upload them to a backend.
The useful distinction is between its layout options and atlas workflow. It can combine completed sprite sheets horizontally, vertically, in a grid, or compactly, and it supports padding for uniform-cell grids. The documented output canvas and atlas limit is 16,384 pixels per side. However, rotation packing and multiple-atlas packing are not supported. That makes it a better fit for straightforward sheet preparation and repacking than for workflows that depend on rotation or distributing assets across several atlases.
Exports include transparent PNGs and downloadable JSON manifests, which help carry frame metadata alongside the images. The tool is free to use under the MIT license. One important boundary is animation input: animated images are decoded as a single bitmap rather than separated into individual frames, so animation extraction needs another step or a different tool. Choose Sprite Sheet Packer for browser-based slicing, trimming, resizing, and basic repacking; look elsewhere if you need animated-frame extraction, rotation packing, or multiple atlases.
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Sprite Sheet Packer pricing
Sprite Sheet Packer fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Sprite trimming | Yes |
| Rotation packing | No |
| Multiple atlas output | No |
| Animation support | No |
| Metadata export | Yes |
| Maximum atlas size | 16384 px |
| Deployment | Cloud, Browser extension |
| Platforms | Web |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 14 Nov 2026 |
Alternatives to Sprite Sheet Packer
- AsepriteA focused desktop editor for pixel animation, tilemaps, and sprite-sheet export.9.3
- LibreSpriteA free, open-source pixel-art editor with animation and sprite-sheet export.8.4
- Atlas PackerA free atlas packer with practical trimming, preview, and common engine exports.8.1
See all Sprite Sheet Packer alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
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