01
100% Client-Side
All data processing happens inside your browser. No sensitive keys, JSON payloads, or credentials are sent to servers.
●Developer Hub
Resources for Builders
A curated collection of tools, snippets, guides and articles I use and maintain — free and open.
// In short
Developer Hub by Alex Rel is a free collection of browser-based developer tools, reusable code snippets, macOS setup guides, and technical blog articles — built for engineers who value practical, no-nonsense resources.
Developer Tools
74 UtilitiesBrowser-based utilities for everyday development tasks
JSON & DataRegex & StringsJWT & AuthDocker & CICSP & Security
Code Snippets
133 SnippetsProduction-ready functions and patterns for backend & frontend
JavaScriptTypeScriptPHPGoPythonDockerCSS
Mac Guide
HandbookTerminal commands, curated apps, issue fixes, and setup checklists
Terminal CommandsApp CatalogIssue SolutionsShortcutsSetup Checklist
Blog & Articles
Articles & CasesIn-depth engineering articles on SaaS, Telegram bots, and architecture
SaaS ArchitectureTelegram BotsGEO & AITech Debt
// STANDARDS & PRIVACY
Built for Privacy & Performance
02
Production-Tested
Snippets and patterns extracted directly from shipping 50+ commercial projects, B2B platforms, and Telegram bots.
03
Zero Friction
Instant access to all tools and code — no registration, no ads, and no paywalls.
// CONNECT
Contact Information
Submit a request or write to me directly on Telegram. I'll reply within 24 hours.
telegram @releeshahn
email[email protected]