Free online tools, done right.
Fast, privacy-friendly utilities that run entirely in your browser — nothing is uploaded to a server. New tools are added continuously.
Indian land & area converters
Land units that vary by state
Time converters
Time Converter
Milliseconds, seconds, minutes, hours, days and weeks — including the much-searched milliseconds → minutes. Exact factors.
TimeMillisecond → Minute
TimeMillisecond → Second
TimeSecond → Minute
TimeMinute → Hour
TimeHour → Day
TimeDay → Week
TimeSecond → Hour
TimeMinute → Day
TimeNanosecond → Second
TimeMicrosecond → Second
TimeNanosecond → Millisecond
TimeMicrosecond → Millisecond
TimeNanosecond → Microsecond
TimeHour → Second
TimeDay → Second
TimeMinute → Millisecond
TimeWeek → Day
Length & distance converters
Length & Distance Converter
Metres, feet, inches, miles, nautical miles — plus traditional units: hand, span, finger, cubit, rod/pole, link and chain.
LengthKilometre → Metre
LengthFinger → Centimetre
LengthHand → Inch
LengthCentimetre → Kilometre
LengthMetre → Inch
LengthFoot → Link
LengthMillimetre → Point
LengthAstronomical Unit → Centimetre
Volume & capacity converters
Volume & Capacity Converter
Litres, cubic metres, cubic inches/feet, US & imperial gallons, quarts, pints, fluid ounces, tablespoons, bushels and barrels.
VolumeUS Bushel → US Gallon
VolumeCubic Inch → Cubic Metre
VolumeUS Quart → Imperial Fluid Ounce
VolumeCubic Metre → Oil Barrel
VolumeUS Teaspoon → Imperial Fluid Ounce
VolumeUS Pint → Cubic Inch
VolumeMillilitre → US Fluid Ounce
VolumeMillilitre → US Quart
Temperature converters
Temperature Converter
Celsius, Fahrenheit, Kelvin and Rankine — exact affine formulas (°F = °C × 1.8 + 32; K = °C + 273.15) and a common-temperature reference table.
TemperatureCelsius → Fahrenheit
TemperatureFahrenheit → Celsius
TemperatureCelsius → Kelvin
TemperatureKelvin → Celsius
TemperatureFahrenheit → Kelvin
TemperatureKelvin → Fahrenheit
TemperatureCelsius → Rankine
TemperatureRankine → Celsius
Energy & work converters
Energy & Work Converter
Joules, kilojoules, kWh, calories, kilocalories, BTU, foot-pounds, newton-metres and MeV — convert kJ → kWh, J → Nm, ft-lb → Nm and more. Exact factors.
EnergyFoot-pound → Newton-metre
EnergyJoule → Newton-metre
EnergyKilojoule → Kilowatt-hour
EnergyKilowatt-hour → Joule
EnergyMegaelectronvolt → Kilowatt-hour
EnergyMegajoule → Foot-pound
EnergyMegajoule → Newton-metre
EnergyKilojoule → Kilocalorie
Number, text & data conversions
Dev & Data Converters
Hex/decimal/binary/octal number bases, text ↔ binary/hex/ASCII, and CSV ↔ JSON / JSON → HTML — all in your browser.
Number base