Calculators
Percentage Calculator
Calculate percentages, increases, decreases and ratios instantly. Three calculation modes.
✓ AVAILABLE
BMI Calculator
Calculate your Body Mass Index and check your healthy weight range with reference charts.
FREE
Age Calculator
Calculate your exact age in years, months, days and hours from your date of birth.
FREE
Days Between Dates
Calculate the number of days, weeks or months between two dates, including working days.
FREE
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and full amortization schedule.
FREE
Tip Calculator
Calculate the tip and split the bill fairly among any number of people.
FREE
Converters
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin in real time. Edit any field to update the others.
✓ AVAILABLE
Currency Converter
Convert between 27 currencies with real-time ECB exchange rates. Cached in your browser for speed.
✓ AVAILABLE
Color Converter HEX / RGB / HSL
Convert colors between HEX, RGB, HSL and CMYK instantly.
FREE
Binary / Decimal / Hex
Convert numbers between base 2, 10 and 16. Essential for programming and electronics.
FREE
Base64 Encoder / Decoder
Encode and decode text and images in Base64 quickly and securely.
FREE
Text Case Converter
Transform text to UPPERCASE, lowercase, Title Case or camelCase instantly.
FREE
Length Unit Converter
Kilometers, miles, meters, feet, inches and more. Full conversion table.
FREE
Generators
Password Generator
Generate strong random passwords with custom length, uppercase, numbers and symbols. Includes strength meter.
✓ AVAILABLE
QR Code Generator
Create QR codes for URLs, WiFi, email and text. Customize colors and download as PNG or SVG.
✓ AVAILABLE
Lorem Ipsum Generator
Generate placeholder text in Latin for design and layout. Choose paragraphs, words or sentences.
FREE
Color Palette Generator
Generate harmonious color palettes from a base color. Export in HEX, RGB or CSS.
FREE
UUID Generator
Generate random UUID v4 identifiers. Generate one or many at once and copy to clipboard.
FREE
Text Tools
Word Counter
Count words, characters, sentences and paragraphs. Estimates reading time and top keywords.
✓ AVAILABLE
Text Diff Tool
Compare two texts and highlight differences line by line.
FREE
Email Extractor
Extract all email addresses from any block of text automatically.
FREE
Duplicate Line Remover
Remove duplicate lines from a list of text. Sort and clean data instantly.
FREE
Dev Tools
JSON Formatter
Format and validate JSON instantly. Syntax highlighting and error detection.
FREE
URL Encoder / Decoder
Encode and decode URLs (percent-encoding). Useful for APIs and web development.
FREE
Meta Tags Generator
Generate complete SEO meta tags: title, description, Open Graph and Twitter Card.
FREE