📐 Unit Converters
Convert between different measurement units with precision and accuracy. Supports metric, imperial, scientific, and traditional measurement systems.
Length Converter
Convert between meters, feet, inches, kilometers, miles, and 25+ other length units. Supports metric, imperial, scientific, nautical, and traditional measurement systems.
Weight Converter
Convert between kilograms, pounds, ounces, grams, tons, and more. Supports metric, imperial, scientific, and traditional weight measurement units.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperature scales for science, weather, and cooking applications.
Volume Converter
Convert between liters, gallons, cubic meters, cups, and 40+ volume units. Supports metric, US customary, UK imperial, and cubic measurements.
Dry Volume Converter
Convert between bushels, pecks, cubic feet, liters (dry), and other units for agriculture, lumber, and dry goods measurement.
Area Converter
Convert between square meters, acres, hectares, square feet, and other area units for land measurement, construction, and real estate.
Energy Converter
Convert between joules, kilowatt-hours, calories, BTU, and other energy units for physics, engineering, and nutrition calculations.
Data Storage Converter
Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and binary units (KiB, MiB, GiB) for digital storage calculations.
Fuel Consumption Converter
Convert between L/100km, MPG (US/UK), km/L for vehicle fuel efficiency and economy comparisons across different measurement systems.
Power Converter
Convert between watts, kilowatts, horsepower, BTU/h, and other power units for electrical engineering and mechanical applications.
Pressure Converter
Convert between pascals, bar, PSI, atmospheres, mmHg, and other pressure units for weather, engineering, and scientific measurements.
Speed Converter
Convert between km/h, mph, m/s, knots, and other speed units for transportation, physics, and maritime applications.
Time Converter
Convert between seconds, minutes, hours, days, weeks, months, years, and astronomical time units including milliseconds and nanoseconds.
Binary/Hex/Decimal Converter
Convert between binary, hexadecimal, decimal, and octal number systems.
Morse Code Translator
Convert text to Morse code and decode Morse code back to text.
Number to Words Converter
Convert numbers to English words instantly (0-999,999,999). Perfect for cheques, legal documents, and formal writing.
Reverse Text Generator
Reverse text, words, lines, and characters with multiple reversal options.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
Regex Tester
Test JavaScript regular expressions with match highlighting, capture groups, flags, and replacement preview.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK formats with swatches and copy-ready output.
Contrast Checker
Check foreground and background color contrast ratios with WCAG-style AA and AAA guidance.
JSON to CSV Converter
Convert JSON records into CSV tables with clear notes for nested values and empty cells.
CSV to JSON Converter
Convert CSV with headers into formatted JSON objects for APIs, scripts, and fixtures.
HTML to Markdown Converter
Convert HTML snippets into readable Markdown for docs, notes, issues, and cleanup workflows.
JSON to YAML Converter
Convert valid JSON into readable YAML for config snippets, API examples, and documentation.
YAML to JSON Converter
Convert one YAML document into formatted JSON while reviewing comments, anchors, and inferred types.