TOOLS
Developer Tools
A curated collection of utilities for developers and engineers. The ones I actually use.
9 tools
Base64 Encoder / Decoder
Encode or decode Base64 strings client-side — no data leaves your browser.
Cron Expression Parser
Human-readable descriptions for cron schedules. See exactly when your job will run next.
Diff Checker
Compare two blocks of text side by side and see exactly what changed.
HTTP Status Reference
Quick reference for all HTTP status codes — meanings, when to use them, and common mistakes.
JSON Formatter
Format, validate, and minify JSON. Detects errors and highlights the problematic line.
JWT Decoder
Decode and verify JWT tokens — inspect header, payload, and signature without sending data to a server.
Regex Tester
Test and debug regular expressions in real-time with match highlighting and explanations.
SSL Certificate Checker
Inspect SSL/TLS certificates, check expiry, and verify the chain for any hostname.
URL Encoder
Encode and decode URL components quickly — useful when debugging query strings.