Date Calculator
Calculate the difference between two dates in days, weeks, months, and years
Calendar
Calculator
Percentage Calculator
Calculate percentages, discounts, increases, and percentage differences
Loan Calculator
Calculate monthly payments and total interest for bullet, equal installment, equal principal, and graduated payment loans
BMI Calculator
Calculate your Body Mass Index (BMI) with metric or imperial units. Find your healthy weight range.
VAT Calculator
Add VAT to a price or extract VAT from a VAT-inclusive price. Supports custom rates.
Age Calculator
Calculate your exact age in years, months, and days from your date of birth
Tip Calculator
Calculate tip amount and split the bill easily among multiple people
Picture Tools
Image Compressor
Compress and resize images to reduce file size while maintaining quality
Favicon Generator
Generate favicon PNG files in 8 sizes from any image and download as a ZIP
Image Converter
Convert images between JPG, PNG, and WebP formats with quality control
Watermark Adder
Add text watermarks to images with position, repeat tile, color and opacity controls
Image to PDF Converter
Convert JPG, PNG, and WebP images to a single PDF file online for free
Image Cropper
Crop images online with free aspect ratio or fixed ratios like 1:1, 4:3, 16:9
Formatters
Encoders & Decoders
Base64 Encoder/Decoder
Encode or decode Base64 strings
Text Encoder & Converter
24 conversion types: Base64, URL, HTML entities, Hex, Binary, Unicode, ASCII, SHA hashes, Morse code, Caesar cipher
URL Encoder / Decoder
Encode and decode URLs online. Convert special characters to percent-encoding instantly
Generators
QR Code Generator
Generate QR codes from URLs or text with custom size, colors, and optional logo
UUID Generator
Generate up to 50 UUID v4 values with format options for hyphens and case
Password Generator
Generate strong secure passwords with custom length and character options
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online for free
Random Number Generator
Generate random numbers online. Set min, max, and count with unique number support
Converters
Unit Converter
Convert length, weight, temperature, area, volume and speed units instantly
Color Converter
Convert colors between HEX, RGB, HSL and CMYK formats with live color picker
Currency Converter
Convert currencies instantly with live exchange rates. Supports 20 major world currencies.
Time Zone Converter
Convert time between world time zones instantly. Supports 27 major cities.