Free Online Tools for Everyone
Generators, calculators, converters, and games that are fast, easy to use, and require no signup.
Popular Generators
Password Generator
Generate secure, random passwords with custom length and character options.
Passphrase Generator
Generate secure, memorable passphrases using random words. Diceware-style with entropy calculation.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text instantly.
And More...
80+ generators
Popular Calculators
Calculator
Free online calculator with basic and scientific modes. Arithmetic, trigonometry, logarithms, and more.
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number easily.
Age Calculator
Calculate your exact age in years, months, and days from your birth date.
And More...
81+ calculators
Popular Converters
Length Converter
Convert between meters, feet, inches, miles, kilometers, yards, centimeters, millimeters, and nautical miles.
Weight Converter
Convert between kilograms, pounds, ounces, grams, stones, tons, carats, and troy ounces.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales.
And More...
15+ converters
Popular Games
Why Choose Genculator?
Lightning Fast
All tools run instantly in your browser. No waiting, no server delays.
100% Private
Your data never leaves your device. We don't store or track your inputs.
Always Free
No signup, no credit card, no hidden fees. Free to use forever.