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

Generate MD5 hash from text or strings. Free online MD5 encryption tool for security testing.

Check if a year is a leap year or find the next leap year with our free calculator. Learn about leap year rules and why we need them.

Calculate powers and exponents with step-by-step solutions for positive, negative, and fractional exponents

Track the position and visibility of planets in our solar system. Find out when and where to see Mars, Venus, Jupiter, Saturn and more.