# Tools Guide
How to create and publish a new tool.
## Creating a new HTML tool
Each tool lives in a single self-contained `.html` file at the repo root.
### File naming
Use lowercase kebab-case: `my-tool.html`
### Required structure
```html
My Tool
My Tool
Short description of what this does.
```
### Key conventions
- **No build step** — one `.html` file, inline `