Free Online Utility Tools
MojoUtils — 30+ tools for developers, designers, and everyone.
Unit Converters (7)
Length Converter
Convert between mm, cm, m, km, inch, ft, yard, mile
Weight Converter
Convert between mg, g, kg, ton, oz, lb
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Data Size Converter
Convert between Bit, Byte, KB, MB, GB, TB, PB
Area Converter
Convert between mm², cm², m², km², acre, and hectare
Volume Converter
Convert between mL, L, m³, gallon, quart, pint, and more
Speed Converter
Convert between m/s, km/h, mph, knot, and ft/s
Developer Tools (9)
JSON Formatter & Validator
Format, validate and minify JSON data
URL Encoder / Decoder
Encode or decode URL strings
Base64 Encoder / Decoder
Encode or decode Base64 strings
UUID Generator
Generate random UUID v4 strings
HTML Entity Encoder / Decoder
Encode or decode HTML entities like < > &
CSS Minifier
Minify CSS by removing whitespace and comments
JS Minifier
Minify JavaScript by removing whitespace and comments
JWT Decoder
Decode and inspect JWT token header and payload
QR Code Generator
Generate QR codes from text or URLs and download as PNG
Text Tools (5)
Character Counter
Count characters, words, sentences, lines and bytes
Case Converter
Convert text to UPPER, lower, Title, camelCase, snake_case and more
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text for design and development
Slug Generator
Convert text to URL-friendly slugs
Text Diff Checker
Compare two texts and highlight the differences line by line
Color Tools (2)
Math & Calculators (4)
Percentage Calculator
Calculate percentages, increases and decreases
BMI Calculator
Calculate Body Mass Index with metric and imperial units
Age Calculator
Calculate exact age in years, months, and days from date of birth
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal