Images to Atlas

At a glance

• Editor score
  7.4 / 10
• Pricing
  Free plan
• Best for
  Free browser-based multipage atlas creation
• Free plan
  Yes
• Paid from
  Free
• Sprite trimming
  Yes
• Facts checked
  14 Nov 2026

• Where it wins

  • Offers MaxRects, Shelf, Grid, and Polygon packing layouts.
  • Trims transparent margins and can detect duplicates with alias metadata.
  • Exports metadata for Unity, Godot, Phaser, PixiJS, Spine, and more.

• Where it doesn't

  • Does not provide animation support; animated GIFs are treated as still images.
  • Atlas size is capped at 8192 pixels.
  • Support is listed through documentation.

Our verdict on Images to Atlas

Images to Atlas combines separate images into one or more PNG texture atlases in a browser. It is aimed at solo creators and small teams making game or web assets who need atlas packing and frame metadata without a paid plan. The free tool offers multiple packing layouts, transparent-margin trimming, and optional duplicate detection. Its browser-based workflow also processes source files in the browser rather than uploading them for conversion, which may suit projects where that distinction matters.

Packing controls cover padding, edge extrusion, scale, and power-of-two sizing, alongside MaxRects, Shelf, Grid, and Polygon layouts. Multiple-sheet packing helps handle large image sets, and the published maximum atlas size is 8192 pixels. For an asset pipeline, metadata can be exported as Generic JSON, Unity, Godot, Phaser, PixiJS, Spine, Starling XML, or CSS. That format range makes the tool relevant to creators working across several of those engines and frameworks, while still keeping its purpose focused on atlases rather than a broader sprite workflow.

The main boundary is animation: Images to Atlas does not support it, and animated GIF inputs are treated as still images. Choose it when the job is packing static images, trimming transparent margins, and exporting metadata in a supported format; choose another tool if animation handling is central to the workflow. The tool is described as free, with support through documentation. Its feature set is oriented toward individual creators and small teams, so buyers seeking animation features or support beyond documentation should look elsewhere.

Your product? Our editors can test Images to Atlas in depth and publish a review, labelled as paid · from $149/mo →

Images to Atlas pricing

Images to Atlas fact sheet

Images to Atlas integrations

Images to Atlas lists 6 integrations on its own site.

• Unity
• Godot
• Phaser
• PixiJS
• Spine
• Starling XML

Alternatives to Images to Atlas

• AAsepriteA 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
• APAtlas PackerA free atlas packer with practical trimming, preview, and common engine exports.8.1

See all Images to Atlas alternatives →

Featured on iTechGuides

Images to Atlas is listed in our Sprite Sheet Maker Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

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Last updated 14 Nov 2026 · How we research and update