QR Code Generator: Create Custom QR Codes for Links & Text

Tip: You can paste a website link, a WiFi password, a phone number, or a hidden message.

Your QR Code will appear here.

Free Custom QR Code Generator

Welcome to the QR Code Generator by CalcHub Pro. Whether you need to link customers to your restaurant's digital menu, direct followers to your Instagram page, or share a fast WiFi password with guests, our free tool creates high-resolution, instantly scannable QR codes in seconds.

Do these QR Codes Expire?

No! Our QR codes are 100% static and will never expire. Many "free" QR code websites actually generate dynamic codes that run through their own servers. After 30 days, they disable the code and try to charge you a monthly subscription to turn it back on. Our tool encodes your exact link directly into the pixels of the image. As long as your destination website remains active, this QR code will work forever.

How to use your QR Code

  • Business Cards: Link directly to your digital portfolio, LinkedIn, or booking page.
  • Restaurant Menus: Paste a link to your PDF menu so customers can scan it right from the table.
  • Flyers & Posters: Drive real-world foot traffic to your website or event registration page.
  • WiFi Access: You can encode your network name and password so guests can scan to join your WiFi without typing anything!

Is my data private?

Yes. This tool operates entirely within your web browser using client-side JavaScript. The QR code is generated right on your device, and we do not track, store, or log the links or text you process through this tool.

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Finance & Money Tools

14 tools
Mortgage Calculator

Calculate monthly payments, total interest, and full amortization for any home loan.

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Compound Interest

Model exponential wealth growth across custom compound periods and interest rates.

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Loan EMI Calculator

Calculate monthly EMI, total interest payable, and payment schedule for any loan.

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Tip Calculator

Calculate tip amount and split the total bill evenly among any number of people.

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Salary ↔ Hourly

Convert between annual salary, monthly, weekly, daily, and hourly wage rates instantly.

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Sales Tax / GST

Add or remove tax from any price. Works for GST, VAT, or any sales tax rate.

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Discount Calculator

Find the sale price, amount saved, and discount percentage for any markdown.

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ROI Calculator

Determine return on investment percentage and net profit for any business venture.

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Margin & Markup

Calculate gross profit margin, markup percentage, and optimal pricing strategy.

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Age Calculator

Calculate exact age in years, months, days, hours, and minutes from any birthdate.

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Currency Converter

Convert between major world currencies with common reference exchange rates.

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Auto Loan Calculator

Calculate monthly car payments considering trade-in value, down payment, and sales tax.

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Inflation Calculator

Estimate the future or past purchasing power of money based on inflation rates.

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Net Worth Calculator

Determine your true net worth by balancing your total assets against liabilities.

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Health & Fitness Tools

11 tools
BMI Calculator

Calculate your Body Mass Index and see your weight classification instantly.

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Calorie Deficit

Calculate your BMR, TDEE, and exact calorie target for weight loss or gain goals.

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Water Intake

Find your recommended daily water intake based on weight, activity level, and climate.

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Pregnancy Due Date

Estimate your baby's due date from the last menstrual period or conception date.

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TDEE Calculator

Calculate your Total Daily Energy Expenditure based on activity level and stats.

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Macros Calculator

Get exact daily protein, carbohydrate, and fat gram targets for your fitness goal.

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Ideal Weight

Find your ideal body weight range using multiple scientific formulas.

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Body Fat %

Estimate your body fat percentage using the US Navy tape measurement method.

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Target Heart Rate

Calculate your optimal heart rate zones for fat burn, cardio, and peak performance.

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Blood Alcohol (BAC)

Estimate your Blood Alcohol Content based on drinks consumed, weight, and time.

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Daily Protein Needs

Calculate exact daily protein requirements based on your fitness goals and weight.

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Text & Developer Tools

15 tools
Word Counter

Count words, characters, sentences, and paragraphs in real-time as you type.

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Case Converter

Transform text to UPPER, lower, Title, Sentence, or camelCase instantly.

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Password Generator

Generate cryptographically strong passwords with custom length and character sets.

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Password Strength

Test how strong your password is with real-time entropy analysis and crack time estimate.

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QR Code Generator

Generate scannable QR codes for any URL, text, or contact information instantly.

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Base64 Encoder

Encode or decode any text to and from Base64 format with one click.

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URL Encoder

Encode or decode URLs and query strings with special character handling.

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JSON Formatter

Validate, pretty-print, and minify JSON data with error highlighting.

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Stopwatch & Timer

Full-featured stopwatch with lap tracking and countdown timer functionality.

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Time Duration

Calculate the exact time difference between two timestamps in hours and minutes.

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Random Name Picker

Pick a random winner from a list of names with a satisfying spin animation.

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Color Converter

Instantly convert color codes between HEX, RGB, and HSL formats for web design.

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Lorem Ipsum Generator

Generate standard lorem ipsum dummy text for your designs and mockups.

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Number to Words

Convert any large numerical value into its written English word equivalent.

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UUID Generator

Generate highly secure, universally unique identifiers (UUID v4) for development.

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Conversions & Utilities

5 tools
Length Converter

Convert between metric and imperial length units (meters, feet, inches, miles, etc).

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Weight Converter

Quickly convert weight units like Kilograms, Pounds, Ounces, and Grams.

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Temperature Converter

Convert temperatures accurately between Celsius, Fahrenheit, and Kelvin.

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Random Generator

Generate highly randomized numbers within any custom minimum and maximum range.

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Data Size Converter

Convert digital storage units between Bytes, KB, MB, GB, and TB instantly.

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