Online Tools
Free tools for developers and everyday use
Calculator
Standard calculator with memory functions and calculation history
Tip Calculator
Calculate tips and split bills among multiple people
BMI Calculator
Check your Body Mass Index and healthy weight range
Percentage Calculator
Calculate discounts, percentage changes, and ratios for shopping and finance
VAT Calculator
Add or remove VAT/GST from prices with customizable tax rates
Unit Converter
Convert between metric and imperial units for length, weight, temperature and more
Base64 Encode/Decode
Convert text to Base64 and decode Base64 strings
Date Calculator
Calculate date differences, age, and business days
Password Generator
Generate secure random passwords with customizable options
JSON Formatter
Format, beautify, and minify JSON data with syntax highlighting
JSON Validator
Validate JSON syntax and structure with detailed error reporting
Text Counter
Count characters, words, sentences and analyze your text
Unix Timestamp
Convert between Unix timestamps and human-readable dates
URL Encoder
Encode and decode URLs, query parameters, and special characters