QR Code Generator

Create custom QR codes for URLs, WiFi, contacts, and text. Download as PNG or SVG — free and unlimited.

Barcode Generator

Generate CODE128, EAN, UPC, and more barcode formats. Download as PNG or SVG, free and instant.

Generate strong, random passwords up to 128 characters. Fully customizable and never sent to a server.

Check how strong a password is. Instant feedback on length, entropy, and common-password risk.

Calculate your exact age in years, months, days, hours, and minutes from your date of birth.

Calculate Body Mass Index (BMI) in metric or imperial units, with WHO category breakdown.

Calculate percentage of a number, percentage change, and what percent one number is of another.

Add or remove GST/VAT from any amount with a custom tax rate. Perfect for India, Australia, and more.

Calculate monthly loan EMI, total interest, and total payable amount for home, car, and personal loans.

Convert between 30+ world currencies with reference exchange rates. Fast, free, and easy.

Convert length, weight, temperature, volume, and area between metric and imperial units.

Convert a time between any two timezones with automatic daylight-saving handling.

Convert numbers between decimal, binary, octal, and hexadecimal in real time.

Generate one or many cryptographically secure random numbers within any range.