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Knight Tools

Free Utility Tools

16+ powerful tools — password generator, age calculator, image tools, converters, calculators and more. No signup, no limits, free forever.

16 Tools Free Forever No Signup Browser Only
Free
QR Code Scanner
Scan any QR code using your camera or upload an image. Decode URLs, text, contact info instantly.
Use Tool → Popular
Password Generator
Generate strong, secure passwords with custom length, symbols, numbers, and uppercase options.
Use Tool → Free
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from your date of birth.
Use Tool → Free
EMI Calculator
Calculate monthly EMI for home, car, or personal loans with full amortization breakdown.
Use Tool → New
GST Calculator
Calculate GST amount and net/gross prices for 5%, 12%, 18%, and 28% GST slabs instantly.
Use Tool → Free
Percentage Calculator
Calculate percentages, percentage increase/decrease, and find what % one number is of another.
Use Tool → Free
Unit Converter
Convert length, weight, temperature, area, speed, and more across all standard units instantly.
Use Tool → Popular
Currency Converter
Convert between 30+ world currencies with live exchange rates. INR, USD, EUR, GBP and more.
Use Tool → Free
BMI Calculator
Calculate your Body Mass Index. Find out if you are underweight, normal, overweight, or obese.
Use Tool → Free
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Use Tool → Free
Word Counter
Count words, characters, sentences, paragraphs, and estimated reading time for any text.
Use Tool → Free
Character Counter
Count characters with and without spaces. Perfect for Twitter, Instagram, and SMS limits.
Use Tool → New
Remove Duplicate Lines
Paste text and instantly remove all duplicate lines. Sort, trim, and clean your lists fast.
Use Tool → Popular
Image Compressor
Compress JPG, PNG, WebP images without losing quality. Reduce file size up to 90% in seconds.
Use Tool → Free
Image Resizer
Resize images to any custom dimension or preset size. Maintain aspect ratio or crop freely.
Use Tool → Popular
Image to PDF
Convert one or multiple images (JPG, PNG) to a PDF file. Arrange, preview, and download instantly.
Use Tool →
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