Categories
Browse our tools organized into 18 categories.
Distance & Length
Convert between different units of distance and length
Weight & Mass
Convert between different units of weight and mass
Temperature
Convert between Celsius, Fahrenheit, and Kelvin
Volume
Convert between different units of volume
Area
Convert between different units of area
Speed
Convert between different units of speed
Time & Date
Time zone conversions and date calculations
Text & String
Case converters, text transformations, and analysis
List Utilities
Tools for manipulating and transforming lists
Encoding & Decoding
Base64, URL, HTML entity encoding and more
Hash Generators
MD5, SHA, and other hash generators
Number Utilities
Number conversions and calculators
Data Size
Convert between bytes, KB, MB, GB, and TB
Color Utilities
Color format conversions and tools
Developer Tools
JSON, XML, SQL formatters and more
Finance & Currency
Currency converter and financial calculators
Health & Fitness
BMI, calorie, and fitness calculators
Miscellaneous
QR codes, passwords, and other useful tools