About Dev Guides
Dev Guides is a free, open-access collection of 6 utilities built for speed and privacy. Every tool runs entirely in your browser — no data is ever sent to our servers, logged, or stored.
Our Philosophy
- Local-first: All computation happens on your device using browser APIs.
- No login required: Open a tool, use it, done.
- No tracking of inputs: Your data stays on your machine.
- Fast: Static pages with no server round-trips.
Available Tools
- Git Cheatsheet — Essential Git commands reference with examples for everyday use.
- JavaScript Tips — Practical JavaScript tips, patterns, and modern ES6+ features.
- SQL Reference — Complete SQL syntax reference with examples for SELECT, JOIN, and more.
- Regex Cheatsheet — Regular expression syntax reference with common pattern examples.
- Markdown Guide — Complete Markdown syntax guide with live examples.
- SEO Checklist — Comprehensive on-page SEO checklist for content and technical optimization.
Quality Policy
Each tool is tested against common edge cases. We prioritize correctness over feature bloat. If you find a bug, please contact us so we can fix it promptly.