SpriteHelper is a texture editor and a Box2D Custom Polygon Shape Editor. It automatically selects bounding boxes for your sprites and give you information, like UV, sprite position in image, rectangle dimensions. Most off all it lets you create polygon shapes for Box2D physical library and save your scene for Cocos2D library. Ideal for iPhone and iPad games but it can be used wherever Box2D can be used. For populating a Cocos2d project with sprites and physics objects is as easy as making a new project with Cocos2d template in Xcode and copy paste the generated code from SpriteHelper into the project. The generated Box2D code can be used with any project (not just Cocos2D). The generated sprites info, like uv's can be used with any graphical API (e.g. OpenGL, OpenGL ES).