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Free Online Converters

Convert between units, currencies, file formats, number systems, colors and more. 100+ free browser-based converters that work instantly.

✓ 100 Tools ⚡ Free 🔒 Private 🚫 No Login

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All Converters

Showing all 100 tools

Convert between length, weight, temperature and more.

Currency Converter

Convert amounts between world currencies.

Color Converter

Convert colors between HEX, RGB, HSL and CMYK.

Binary Converter

Convert numbers between binary, decimal, hex and octal.

Time Zone Converter

Convert times between any world time zones.

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin.

Length Converter

Convert between meters, feet, inches, miles and more.

Weight Converter

Convert between kilograms, pounds, ounces and more.

Speed Converter

Convert between km/h, mph, knots and m/s.

Convert between square meters, feet, acres and more.

Volume Converter

Convert between liters, gallons, cups and more.

Pressure Converter

Convert between Pascal, bar, psi and atmospheres.

Energy Converter

Convert between joules, calories, kWh and BTU.

Power Converter

Convert between watts, horsepower and kilowatts.

Data Storage Converter

Convert between bytes, KB, MB, GB and TB.

Number System Converter

Convert between decimal, binary, hex and octal.

Roman Numeral Converter

Convert between Arabic and Roman numerals.

Date Format Converter

Convert dates between different international formats.

Angle Converter

Convert between degrees, radians and gradians.

Frequency Converter

Convert between Hz, kHz, MHz and GHz.

Cooking Converter

Convert cooking measurements and recipe units.

CSS to Tailwind

Convert CSS styles to Tailwind CSS utility classes.

Convert HEX color codes to RGB values.

Convert RGB color values to HEX color codes.

Fuel Economy Converter

Convert between MPG, L/100km and km/L.

Font Size Converter

Convert font sizes between px, em, rem and pt.

Character Encoding Converter

Convert text between UTF-8, ASCII and other encodings.

Convert JSON data to YAML format.

Convert YAML configuration to JSON format.

Convert CSV data to XML format.

Convert XML data to CSV spreadsheet format.

Markdown to PDF

Convert Markdown documents to PDF format.

Convert delimited text data to CSV format.

CSV to HTML Table

Convert CSV data to an HTML table.

Minutes to Hours

Convert minutes to hours, days and time formats.

Seconds Converter

Convert seconds to minutes, hours and time units.

Megabytes Converter

Convert between megabytes and other data units.

Gigabytes Converter

Convert between gigabytes and other data units.

Pixels to Inches

Convert pixels to inches and centimeters.

Inches to Pixels

Convert inches to pixels for screen layouts.

Points to Pixels

Convert typographic points to screen pixels.

Convert CSS rem units to pixel values.

Kilowatt to Horsepower

Convert kilowatts to horsepower and vice versa.

Celsius to Fahrenheit

Convert Celsius temperatures to Fahrenheit.

Fahrenheit to Celsius

Convert Fahrenheit temperatures to Celsius.

Miles to Kilometers

Convert miles to kilometers and vice versa.

Pounds to Kilograms

Convert pounds to kilograms and vice versa.

Gallons to Liters

Convert gallons to liters and vice versa.

Ounces to Grams

Convert ounces to grams and vice versa.

Convert feet to meters and vice versa.

Inches to Centimeters

Convert inches to centimeters and vice versa.

Acres to Square Meters

Convert acres to square meters and vice versa.

Hectares to Acres

Convert hectares to acres and vice versa.

Convert knots to miles per hour and vice versa.

Convert Mach speed to miles per hour.

Light Years to Miles

Convert light years to miles and kilometers.

Number to Words

Convert numbers to their written word equivalents.

Words to Number

Convert written number words to numeric digits.

Fraction to Decimal

Convert fractions to decimal and vice versa.

Scientific Notation Converter

Convert numbers to and from scientific notation.

Clothing Size Converter

Convert clothing sizes between US, UK and EU systems.

Shoe Size Converter

Convert shoe sizes between US, UK and EU sizes.

Ring Size Converter

Convert ring sizes between international systems.

Paper Size Converter

Convert between A4, Letter and other paper sizes.

Timezone Abbreviation Lookup

Look up timezone abbreviations and their UTC offsets.

Country Code Lookup

Look up international phone and country codes.

Dialing Code Finder

Find international dialing codes for any country.

Zip Code Lookup

Look up location information from a zip code.

Number to Binary

Convert decimal numbers to binary representation.

Phone Number Formatter

Format phone numbers to international standards.

Transliteration Tool

Transliterate text between different scripts.

Convert words to IPA phonetic transcription.

Convert HTML content to Word document format.

Markdown to Word

Convert Markdown files to Word document format.

Convert Excel spreadsheets to CSV format.

Convert CSV files to Excel spreadsheet format.

Convert plain text files to PDF documents.

Read EPUB ebooks in your browser.

Convert Rich Text Format files to plain text.

Convert tab-separated values to CSV format.

Nautical Miles Converter

Convert nautical miles to kilometers and miles.

Light Speed Calculator

Convert distances to light travel time.

Parsecs Converter

Convert parsecs to light-years and kilometers.

Decibel Converter

Convert between decibel levels and intensity ratios.

Convert between pH values and hydrogen ion concentration.

Moles Converter

Convert between moles, grams and molecules.

Concentration Converter

Convert between chemical concentration units.

Viscosity Converter

Convert between viscosity measurement units.

Density Converter

Convert between density measurement units.

Flow Rate Converter

Convert between fluid flow rate units.

Torque Converter

Convert between torque measurement units.

Acceleration Converter

Convert between acceleration measurement units.

Force Converter

Convert between force units like Newton and pound-force.

Illuminance Converter

Convert between lux, foot-candle and other light units.

Magnetic Flux Converter

Convert between magnetic flux density units.

Radioactivity Converter

Convert between radioactivity measurement units.

Radiation Dose Converter

Convert between radiation dose units.

Calorie to Joules

Convert calories to joules and other energy units.

Horsepower to Watts

Convert horsepower to watts and kilowatts.

Convert BTU to joules, calories and kilowatt-hours.