Conversion Tools
Convert units, JSON, CSV, HTML, Markdown, and data formats instantly.
19 free tools · No signup · Runs in browser
Unit Converter
Convert between length, weight, temperature, area, volume, and speed units.
Length Converter
Convert between metres, feet, inches, kilometres, miles, and more.
Weight Converter
Convert between kilograms, pounds, ounces, grams, and stone.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperatures.
Volume Converter
Convert between litres, gallons, cups, millilitres, and fluid ounces.
Speed Converter
Convert between kilometres per hour, miles per hour, knots, and m/s.
Area Converter
Convert between square metres, square feet, acres, hectares, and more.
Time Converter
Convert between seconds, minutes, hours, days, weeks, and months.
Pressure Converter
Convert between Pascal, bar, PSI, atmospheres, torr, and more.
Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, and more.
Data Storage Converter
Convert between bits, bytes, kilobytes, megabytes, gigabytes, and terabytes.
Text to HTML
Convert plain text to clean HTML with paragraph and line-break tags.
JSON to CSV Converter
Convert JSON data to CSV format instantly in your browser.
CSV to JSON Converter
Convert CSV data to JSON format with custom delimiter support.
HTML to Markdown
Convert HTML code to clean, readable Markdown format.
Markdown to HTML
Convert Markdown text to HTML code ready to paste into a webpage.
HTML Entity Converter
Encode and decode HTML entities like &, <, and >.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Colour Code Converter
Convert between HEX, RGB, HSL, and CMYK colour code formats.