Developer tools / Converters
Date difference calculator
Days, weeks, months and working days between two dates.
Runs in your browser — your data stays on your deviceResult
More converters
JSON ↔ CSV converterConvert an array of JSON objects to CSV and back.
JSON ↔ XML converterConvert JSON to XML and XML to JSON.
HTML → Markdown converterTurn HTML into clean Markdown.
Unix timestamp converterConvert Unix timestamps (seconds or milliseconds) to dates and dates to timestam...
Time zone converterConvert a time between world time zones.
Number base converterConvert numbers between binary, octal, decimal, hex and any base 2–36.
Roman numeral converterConvert numbers to Roman numerals and back.
Unit converterLength, weight, temperature, area, volume, speed and data size.