Free Converters Online
78 free tools — no signup required
Convert between units of measurement, color formats, number bases, timestamps, timezones, currencies, and data formats. Covers length, weight, volume, temperature, speed, area, energy, and cooking measurements. Accurate conversions with instant results.
Unit Converter
Convert between units of length, weight, temperature, volume, and more.
Color Converter
Convert between HEX, RGB, and HSL color formats with a live preview.
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal bases.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Morse Code Translator
Convert text to Morse code and decode Morse code back to text.
Time Zone Converter
Convert times between different time zones worldwide.
Cooking Unit Converter
Convert between cups, tablespoons, milliliters, grams, and more.
Hex to Text
Convert hexadecimal strings to readable text and back.
Markdown to HTML
Convert Markdown text to HTML code.
CSV to Table
Convert CSV data to a formatted HTML table.
NATO Phonetic Alphabet
Convert text to NATO phonetic alphabet spelling.
Currency Converter
Convert between major world currencies with approximate rates.
Image to Base64
Convert images to Base64 encoded strings for embedding in code.
JSON to TypeScript
Generate TypeScript interfaces from JSON data.
PX to REM Converter
Convert between pixels and rem units for responsive design.
Inches to CM Converter
Convert inches to centimeters and centimeters to inches instantly.
Feet to Meters Converter
Convert feet to meters and meters to feet with decimal precision.
Miles to Kilometers Converter
Convert miles to kilometers and kilometers to miles.
KG to LBS Converter
Convert kilograms to pounds and pounds to kilograms.
Ounces to Grams Converter
Convert ounces to grams and grams to ounces.
Celsius to Fahrenheit Converter
Convert temperatures between Celsius and Fahrenheit scales.
Liters to Gallons Converter
Convert liters to gallons and gallons to liters (US and Imperial).
ML to OZ Converter
Convert milliliters to fluid ounces and fluid ounces to milliliters.
MPH to KPH Converter
Convert miles per hour to kilometers per hour and vice versa.
Square Feet to Square Meters
Convert square feet to square meters and vice versa.
Acres to Hectares Converter
Convert acres to hectares and hectares to acres.
Bytes Converter
Convert between bytes, KB, MB, GB, TB, and PB.
Cups to ML Converter
Convert cups to milliliters and milliliters to cups for cooking.
Stones to KG Converter
Convert stones to kilograms and kilograms to stones.
Nautical Miles Converter
Convert between nautical miles, miles, and kilometers.
Energy Unit Converter
Convert between joules, calories, kilowatt-hours, and BTU.
Pressure Unit Converter
Convert between PSI, bar, atm, Pascal, and mmHg.
Angle Converter
Convert between degrees, radians, gradians, and turns.
Yards to Meters Converter
Convert yards to meters and meters to yards instantly.
MM to Inches Converter
Convert millimeters to inches and inches to millimeters.
KM to Meters Converter
Convert kilometers to meters and meters to kilometers.
CM to Feet Converter
Convert centimeters to feet and feet to centimeters.
Tablespoons to ML Converter
Convert tablespoons to milliliters and milliliters to tablespoons.
Teaspoons to ML Converter
Convert teaspoons to milliliters and milliliters to teaspoons.
Pints to Liters Converter
Convert US pints to liters and liters to pints.
Quarts to Liters Converter
Convert US quarts to liters and liters to quarts.
Tons to KG Converter
Convert US short tons to kilograms and kilograms to tons.
Grams to Milligrams Converter
Convert grams to milligrams and milligrams to grams.
Carats to Grams Converter
Convert carats to grams and grams to carats for gemstones.
Troy Ounces to Grams Converter
Convert troy ounces to grams and grams to troy ounces.
Kelvin Converter
Convert between Kelvin and Celsius temperature scales.
Rankine Converter
Convert between Rankine and Fahrenheit temperature scales.
Light Years to KM Converter
Convert light years to kilometers and kilometers to light years.
Horsepower to Watts Converter
Convert horsepower to watts and watts to horsepower.
Watts to BTU Converter
Convert watts to BTU/hour and BTU/hour to watts.
Newtons to Pounds-Force Converter
Convert newtons to pounds-force and pounds-force to newtons.
RPM to Radians/Second Converter
Convert RPM to radians per second and back.
Knots to MPH Converter
Convert knots to miles per hour and miles per hour to knots.
Parsec to Light Years Converter
Convert parsecs to light years and light years to parsecs.
Fathoms to Feet Converter
Convert fathoms to feet and feet to fathoms.
Furlongs to Meters Converter
Convert furlongs to meters and meters to furlongs.
Chains to Meters Converter
Convert Gunter's chains to meters and meters to chains.
Hands to CM Converter
Convert hands to centimeters and centimeters to hands.
Imperial Gallons to Liters Converter
Convert Imperial (UK) gallons to liters and liters to Imperial gallons.
Bushels to Liters Converter
Convert US bushels to liters and liters to bushels.
Fluid Drams to ML Converter
Convert fluid drams to milliliters and milliliters to fluid drams.
Grains to Grams Converter
Convert grains to grams and grams to grains.
Pennyweight to Grams Converter
Convert pennyweight to grams and grams to pennyweight.
Slugs to KG Converter
Convert slugs to kilograms and kilograms to slugs.
Torr to Pascal Converter
Convert Torr to Pascal and Pascal to Torr.
Calories to Joules Converter
Convert calories to joules and joules to calories.
Electron Volts to Joules Converter
Convert electron volts to joules and joules to electron volts.
Decibels Converter
Convert between decibels and linear ratios for power and amplitude.
Bits to Bytes Converter
Convert bits to bytes and bytes to bits.
Pixels to Points Converter
Convert pixels to points and points to pixels based on DPI.
EM to PX Converter
Convert em units to pixels and pixels to em based on base font size.
RGB to CMYK Converter
Convert RGB color values to CMYK for print design.
Fahrenheit to Kelvin Converter
Convert Fahrenheit temperatures to Kelvin and Kelvin to Fahrenheit.
Meters per Second to MPH Converter
Convert meters per second to miles per hour and back.
Cubic Feet to Liters Converter
Convert cubic feet to liters and liters to cubic feet.
Atmospheres to PSI Converter
Convert atmospheres to PSI and PSI to atmospheres.
Scientific Notation Converter
Convert numbers to and from scientific notation.
Font Size Converter
Convert between px, pt, em, rem, and percentage font sizes.