Converters 18
All converters tools available on the platform. Pick one to get started, everything runs in your browser.
3D Model Viewer & Converter (STEP, STL, OBJ, FBX)
View STEP, IGES, STL, OBJ, FBX, 3DS, GLTF and more in your browser, then export to GLB, OBJ, STL or PLY. No uploads.
Binary Translator, Text to Binary Code and Back
Convert text to binary and binary back to text instantly, with decimal, hexadecimal and octal modes, full UTF-8 support, custom delimiters and copy buttons.
Bytes Converter (KB, MB, GB, TB)
Convert between bytes, KB/MB/GB/TB and KiB/MiB/GiB/TiB, both decimal (base 10) and binary (base 2).
Color Converter & Contrast Checker
Convert colors between HEX, RGB, HSL and HSV, plus WCAG contrast ratio checker.
CSV ↔ JSON Converter
Convert between CSV and JSON locally with custom delimiters and quoting, no upload, no limits.
EV Efficiency Converter (Wh/km, kWh/100km, mi/kWh, MPGe)
Convert electric vehicle efficiency between Wh/km, kWh/100km, mi/kWh and MPGe. Estimate range and charging cost.
Fuel Consumption Converter (L/100km, MPG, km/L)
Convert vehicle fuel economy between L/100km, US MPG, UK MPG and km/L, and estimate trip cost.
JSON to CSV Converter, Flatten JSON Arrays into Spreadsheets
Convert a JSON array of objects to CSV in your browser. Flattens nested objects and arrays, auto-detects columns, previews and downloads the file.
JSON to YAML Converter
Convert between JSON and YAML both ways, privately in your browser.
Morse Code Translator, Text to Morse and Back
Free Morse code translator. Convert text to Morse code and decode Morse back to text, with audio playback, adjustable WPM speed and a flashing light.
Number Base Converter (Binary, Octal, Decimal, Hex)
Convert numbers between binary, octal, decimal, hexadecimal and any custom base from 2 to 36.
Number to Words, Convert Numbers to English Text
Convert any number to English words instantly. Supports negatives, decimals, currency amounts in USD, EUR and GBP, and check-writing style.
Roman Numerals Converter
Convert between Arabic numbers and Roman numerals (1 to 3,999,999) with a vinculum-aware algorithm.
Temperature Converter (°C, °F, K)
Convert temperatures between Celsius, Fahrenheit, Kelvin and Rankine instantly.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, a URL slug and more, instantly in your browser.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates in any timezone, with millisecond precision.
Time Zone Converter, Compare Times Across Cities
Convert a date and time between any time zones at once. Daylight saving handled, next-day shifts flagged, and everything runs in your browser.
Unit Converter
Convert between common units of length, mass, temperature, time and digital storage.