Free online converters

Converts kilograms to pounds and gives a lookup chart.

Converts length between metric, imperial and other units.

Converts minutes to decimal hours for payroll entry.

Converts currencies using OANDA's published exchange rates.

Long-running converter for measurement units across many categories.

Collection of small YAML helpers: check syntax, or transform a YAML file into other data formats such as JSON or XML.

Converts images among JPG, PNG, WebP, GIF and more with batch processing.

Converts pounds to kilograms with a lookup table.

Switch a number between binary, quinary, octal, decimal and hex, or encode text, with the working shown step by step.

Converts RGB color values to a hex code.

Converts Arabic numbers from 1 to 3999 into Roman numerals.

Looks up local time in a city or zone and lines up the same moment across several places.

Converts times between time zones with several converter pages.

Converts between units across length, mass, volume, temperature and many more categories.

Converts watts and usage time into kilowatt-hours.

Converts major world currencies using current exchange rates, without ads.

Compares local times across cities and helps pick a meeting slot across time zones.

Currency calculator alongside tables of exchange rates for major currencies.

Converts between world currencies using live rates.

CC0 unit converter covering 624 units across 28 types.

Converts Base64 text into hexadecimal bytes, locally.

Takes pasted CSV rows and returns them as a JSON array.

Generates CREATE TABLE and INSERT statements from pasted CSV.

Converts Unix timestamps to dates and back, auto-detecting seconds or milliseconds.