Mindustry Mod Development Environment
Build Mindustry
Mods in the Browser
A full-featured offline editor for Mindustry mods. Edit content with schema-driven forms and a Monaco code editor, manage assets with a sprite picker, validate in real-time, and export your mod — no server required.
Everything you need to mod
Six toolkits, one offline editor. Pick what you need.
Visual Content Editor
forms
- Schema-driven form editor
- Mod metadata form (mod.hjson)
- Array & object field editors
- Color picker with preview swatch
- Sprite picker with upload & replace
- Content grid with sprite previews
Code Editor
code
- Monaco-based code editor
- HJSON / JSON syntax highlighting
- Mindustry color tag support
- Inline validation markers
- Lazy-loaded for fast startup
File Explorer
files
- Collapsible directory tree
- Validation badges & status dots
- Create, rename & delete files
- Recently opened files bar (tabs)
- Extensible file tree root node
Validation & Quality
quality
- Real-time validation via web workers
- Per-file error & warning badges
- Inline markers in Monaco editor
- Pre-export validation gate
- Clickable error navigation
Project Management
project
- Create, open, close & switch projects
- Import / export ZIP with validation
- Project settings & delete project
- Auto-save & session recovery
- OPFS-based local filesystem
Offline & Cross-platform
platform
- Installable PWA (offline-first)
- Theme switching: Light, Dark & Auto
- i18n: English & Vietnamese
- Resizable three-column layout
- Status bar with live project info
Ready to build?
Start building your mod
No sign-up, no server, no fuss. Everything runs locally in your browser.