SpriteCutter is a free browser-based sprite sheet inspection and extraction tool for game developers and pixel artists. Users can upload PNG, JPEG, or WebP images, set sprite cell width/height and margins, click a sprite in the grid, and instantly get its x, y, w, h pixel coordinates. Selected sprites can also be exported as PNG with one click. Its core positioning is not as a full-fledged art editor, but as a lightweight, fast, and precise tool for extracting coordinates and single frames from regular grid-based sprite sheets.
In terms of functionality, SpriteCutter offers nearest-neighbor rendering, adjustable grid opacity, up to 20x zoom, drag-to-pan, and keyboard shortcuts, making it well suited for pixel art assets. The coordinate formats it generates can be used directly with Unity, Godot, GameMaker, Phaser, and HTML5 Canvas, and can also be paired with Python PIL/Pillow scripts for further processing. The site also provides tutorials for Unity, Godot, Python, Canvas, and AI prompts, with beginner-friendly documentation. The AI Prompt feature organizes coordinates, dimensions, and filenames into text, making it easier to hand off information to AI image tools or AI coding assistants.
Pricing is straightforward: it is completely free, with no registration, no watermarks, and no limits on the number of extractions. The tool runs locally in the browser, and images are not uploaded to a server, which is helpful for unreleased game assets or commercial artwork. The terms mention that the service uses Google AdSense and may use Google Analytics.
Its strengths are that it is quick to learn, requires no installation, makes coordinate reading intuitive, has a clear privacy approach, and fits well with common game engine workflows. The drawbacks are also clear: currently, only one sprite can be exported at a time, so batch export still requires scripts; it is not ideal for packed atlases or sprite sheets with non-uniform dimensions; animation preview and timeline features are still coming soon; and there is no public API, SDK, or self-hosting documentation. The terms state that the code and design belong to PixelPlay Creations, so it is not an open-source tool.
SpriteCutter is suitable for indie game developers, Game Jam participants, pixel artists, web mini-game developers, and teams that occasionally need to extract coordinates from regular grid-based images. If you need complex texture packing, batch pipelines, or automatic atlas JSON generation, TexturePacker, Aseprite, Unity/Godot built-in tools, or Python scripts will be better options. Access from mainland China cannot be determined from the available text alone; if it is directly reachable, the barrier to use is low because no payment or registration is required.
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