Utility Tools
A grab-bag of free everyday helpers. Generate and scan QR codes and barcodes, test your internet speed, convert units, currencies and time zones, calculate age, dates, loan EMIs and percentages, generate strong passwords, and build color palettes — all in one place.
QR Code Generator
Generate and scan QR codes for free
Internet Speed Test
Test download, upload, ping and jitter
Barcode Generator
Create Code 128 barcodes as SVG
Barcode Scanner
Scan barcodes from an image
Unit Converter
Convert length, weight, area and data units
Currency Converter
Convert currencies with live free rates
Time Zone Converter
Convert times between time zones
Age Calculator
Calculate exact age from date of birth
Date Duration
Calculate the duration between two dates
Loan EMI Calculator
Calculate monthly EMI and total interest
Percentage Calculator
Calculate percentages and percentage change
Password Generator
Generate strong random passwords
Color Palette Generator
Generate palettes from a base color
Quick answers to everyday questions
How old am I exactly? What's the monthly payment on this loan? How fast is my connection? What's this in another currency or time zone? These small calculations come up constantly, and each tool here gives you a precise answer in seconds without hunting for a formula or a separate app.
Accurate and private
The calculators and generators run in your browser, so the numbers and details you enter stay on your device. Conversions use exact, standard ratios and live rates where relevant, so you can rely on the results for travel, finance, work and study alike — free, fast and with no sign-up.