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Keyframe.it

keyframe.it.com

Free plan WebAPI
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Spec score 7.9 #12 of 25 in 2D Game Animation Software

What it is

Keyframe.it Studio offers four browser-based game-art tools: a 2D skeletal animation editor, pixel-art character tools, 3D model creation, and image-to-pixel-art conversion. The 2D editor rigs layered character art with bones and weighted meshes, animates it on a timeline, and exports Spine bundles, sprite sheets, GIFs, or video. The editor reads and writes Spine format and supports Spine runtimes 3.8 and 4.2, plus PixiJS v7 and v8 through their respective runtimes. Sprite Puppeteer can auto-rig a sprite, load sheets in up to eight directions, play-test characters, and export for Godot, Unity, GameMaker, or Spine. MeshForge creates textured 3D models from photos or prompts, then supports browser rigging, animation, and sprite-sheet rendering. Generation uses the user's fal.ai API key and costs about $0.10 per model; rigging, exports, and sprite packs are free. PixelForge converts drawings, photos, renders, GIFs, and sprite sheets into pixel art. The tools are free, require no account, and save projects in the current browser.

Spec sheet

Product
Keyframe.it Studio offers four browser tools for game art: 2D skeletal animation, pixel-art characters, 3D model creation, and image-to-pixel-art conversion.Read 5 Oct 2026 · keyframe.it.com
Integrations
The site lists Godot, Unity, GameMaker, Phaser, Spine, PixiJS, fal.ai, Anthropic, and MCP clients among its integrations or connected services.Read 5 Oct 2026 · keyframe.it.com
2D animation
Keyframe.it rigs layered character art with bones and weighted meshes, animates it on a timeline, and exports Spine bundles, sprite sheets, GIFs, or video.Read 5 Oct 2026 · keyframe.it.com
AI agent API
Each tool exposes a browser scripting API for agents, and MCP clients can connect using the keyframe-mcp package.Read 5 Oct 2026 · keyframe.it.com
Animation features
The 2D editor lists bones, meshes, inverse kinematics, springs, motion presets, and AI helpers.Read 5 Oct 2026 · keyframe.it.com
Data handling
Keyframe.it, Sprite Puppeteer, and PixelForge work in the browser and save projects in the browser; the site says data leaves the computer for specified AI generation, AI features, or shared links.Read 5 Oct 2026 · keyframe.it.com
Formats and runtimes
Keyframe.it reads and writes Spine format and supports Spine runtimes and PixiJS.Read 5 Oct 2026 · keyframe.it.com
MeshForge
MeshForge turns a photo or prompt into a textured 3D model, rigs and animates it in the browser, and renders sprite sheets.Read 5 Oct 2026 · keyframe.it.com
MeshForge cost
Mesh generation uses the user's fal.ai API key and costs about $0.10 per model; rigging, exports, and sprite packs are free.Read 5 Oct 2026 · keyframe.it.com
PixelForge
PixelForge converts drawings, photos, renders, GIFs, and sprite sheets into pixel art and exports PNG, GIF, and sprite sheets.Read 5 Oct 2026 · keyframe.it.com
Sprite Puppeteer
Sprite Puppeteer can auto-rig a single sprite, load sprite sheets in up to eight directions, play-test characters, and export for Godot, Unity, GameMaker, or Spine.Read 5 Oct 2026 · keyframe.it.com
Storage limit
Projects are saved in the current browser on the current computer, and clearing the site's browser data deletes saved work.Read 5 Oct 2026 · keyframe.it.com
Support and learning
The site provides documentation, guides, examples, and FAQs for its four tools.Read 5 Oct 2026 · keyframe.it.com
Supported browsers
The site says current Chrome, Edge, Firefox, and Safari on a computer are supported; editing is easiest on a larger screen with a mouse and keyboard.Read 5 Oct 2026 · keyframe.it.com

Plans and prices

Free Free All four browser tools · no account · no ads Read 5 Oct 2026 · keyframe.it.com

Every Keyframe.it plan and price →

Strong points and limits

Strong points

  • Four browser tools cover animation, pixel art, and 3D
  • 2D editor exports Spine bundles, sprite sheets, GIFs, and video
  • Sprite Puppeteer exports for Godot, Unity, and GameMaker
  • Free tools require no account or ads
  • Projects save in the browser

Limits

  • Mesh generation costs about $0.10 per model
  • Projects are stored in the current browser on the current computer
  • Clearing browser data deletes saved projects

Who it suits

It suits game-art creators who want browser tools for skeletal animation, pixel art, or 3D model workflows. The listed exports and integrations are relevant to users targeting Spine, PixiJS, Godot, Unity, or GameMaker.

Verdict

Keyframe.it Studio brings several game-art workflows together, with multiple runtime and engine export options. Before relying on browser-saved work, note that clearing the site's browser data deletes projects; MeshForge generation also has a per-model cost.

Where Specifiction places it

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