Free online tool to create sprite sheets from image frames in your browser
Open-source game tester that plays in real time and improves with experience
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Browser tools: Free. AI Sprite Sheet Generator credits: Free tier with 1 generation on signup; Starter $4.99 USD for 10 generations ($0.50 per generation); Creator $9.99 USD for 30 generations ($0.33 per generation); Indie $19.99 USD for 80 generations ($0.25 per generation). No subscription require
Aura Autopilot is open source and free. It is also included in Aura subscriptions.
Key features
Create sprite sheets from PNG, JPG and WebP frames
Local browser processing without uploading files
Drag and drop frame ordering
Customizable grid, padding and spacing
Sharp PNG export with transparent or filled backgrounds
Animation preview with playback controls
Sprite sheet cutter to split existing sheets
GIF to sprite sheet conversion
Video to sprite sheet extraction
AI sprite sheet generation from text or reference images
Plays multiple game genres including shooters, souls-likes, match-3, and turn-based JRPGs
Supports Unreal Engine 5.4 through 5.8, Unity, and Godot
1.7x faster than Claude Code in task completion
Passes all test tasks with 7 of 7 accuracy
Steerable to test specific game systems
Works with existing Claude Code and Codex subscriptions
Improves performance the more it plays
Plays in real time during game execution
Available as open source on GitHub
What makes it different
No login required, no installation needed, runs entirely in your browser
All images stay local on your device during processing
Built-in 4×4 preset optimized for 16-frame game animations
Connected suite of companion tools for full sprite workflow
Transparent PNG export ready for game engines like Unity and Godot
Only game agent to pass all 7 benchmark tasks, while Claude Code passed 5
1.7x faster task completion than Claude Code
Open source and free to use
Learns and improves the more it plays your game
Works with three major game engines without installation complexity
Sprite Sheet Maker
Aura Autopilot