Convert length, weight, and temperature units instantly in your browser.
Quick unit conversions for everyday work, travel, and cooking — calculated locally.
Standard conversion factors are used. Display precision is rounded for readability.
Calculate percentages, reverse percentages, and percent change.
Calculators
Calculate exact age in years, months, and days from a birth date.
Calculators
Compute sale price, savings, and optional tax from a discount %.
Business Tools
Find the difference between two dates in days, weeks, and more.
Calculators
Convert CSV to JSON and JSON to CSV privately in your browser.
Developer Tools
Convert text to upper, lower, title, sentence, camel, snake, and more.
Text Tools
