Spritesheet Builder

Spritesheet Builder is a standalone Windows tool for creating and previewing 2D animation strips.

Designed for pixel art and frame-by-frame animation workflows, it allows artists and developers to compose, visualize, and export their spritesheets easily — with instant feedback and animation preview.

Import images one by one or load a full animation strip. Adjust frame rate per animation, preview animations in real time, and export both the composed spritesheet and its JSON metadata.

Built with C# and Windows Forms, this tool was originally created as part of a personal game development pipeline but can be used in any 2D animation workflow.