Sprite Sheet Composer is a desktop 2D illustration and animation sheet layout studio for combining individual PNG and WebP character frames into organized image sheets, previewing flipbook motion, and exporting frame coordinate files. An independent Linux desktop alternative to traditional 2D animation sheet editors for arranging frame grids, checking motion timing, and generating coordinate metadata for creative projects.

Key Features:

• Automatic Frame Sheet Layout: Import PNG and WebP artwork frames, crop transparent outer margins cleanly, add configurable inner spacing and border padding for clean rendering, and arrange frames into power-of-two or compact rectangular image sheets.
• Flipbook Animation Player: Preview frame sequences from 1 to 60 FPS with Loop, Ping-Pong, and Single-Play modes, onion-skin overlay, pixel-art zoom, and an interactive frame boundary viewer.
• Multi-Format Coordinate Exporter: Save composed PNG and WebP sprite sheets together with JSON Hash, JSON Array, XML, CSS Sprites, and CSV coordinate tables with area utilization statistics.

Disclaimer: This project is an independent open-source tool by TC Studio and is not affiliated with, endorsed by, or sponsored by any third-party animation software vendor.