Transparent Sprite Packer
Pack PNG sprites with transparency.
Features
Trim
Trim transparent pixels from each sprite.
Extrude
Add edge extrusion to prevent bleeding.
Alpha Preserved
PNG transparency kept in atlas.
Packing
MaxRects, shelf, or grid.
How It Works
Upload PNGs
Drop transparent sprite images.
Trim & Extrude
Enable trim and set extrusion.
Export
Download atlas with correct metadata.
Why Use I Love Sprites?
Transparent sprites need trim and often extrusion for correct rendering. I Love Sprites trims transparent pixels, optionally adds extrusion, and packs with MaxRects — all in the browser.
Frequently Asked Questions
Common questions about transparent sprite packer.
Edge pixels are repeated outward to avoid bleeding when filtering.
Optional. Use trim to save space when sprites have transparent margins.
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