Explore Other Categories

Discover tools from different categories to expand your toolkit beyond Sysops.

Chmod Calculator

Calculate and convert between symbolic and numeric file permissions for Unix/Linux systems using the chmod command format with our free calculator.

Sysops

Rate Limiter Simulator

Simulate API rate limiting with configurable request limits and time windows. Test 429 responses.

Developer World

Constellation Finder

Discover the 88 IAU constellations with mythology, bright stars, best viewing times, and deep-sky objects. Interactive constellation database for learning the night sky and planning stargazing sessions.

Astronomy

JWT Validator

Decode and validate JWT tokens. Verify signatures, check expiration, and inspect claims for security issues.

Cybersecurity