Free Game Dev Utilities
The planning and plumbing side of a game: a game design document template, a GLSL shader playground with retro presets, and a hitbox editor that exports per-frame collision boxes as JSON or for Godot.
Data & Utilities
GDD Template
Fill in a structured Game Design Document and export Markdown.
Open toolGLSL Shader Playground
Write GLSL shaders with live WebGL preview, load an image, and apply CRT, glitch, halftone & palette-cycle presets.
Open toolHitbox & Collision Box Editor
Draw hurtboxes and hitboxes on each frame of a sprite sheet and export them as JSON.
Open toolMissing a tool you need?
Tell us what would help your workflow and we’ll consider adding it to the free toolbox.
Why a free toolbox?
These tools exist to make everyday game development a little faster. Need to generate full sprites, music, 3D models or even a playable game with AI? The rest of Voidless is one click away.