QR Code Generator – Free Online Tool to Generate Custom QR Codes

Create professional, customizable QR codes instantly with our free online generator. No signup required, no watermarks, unlimited downloads. Perfect for businesses, marketers, educators, and personal use.

What is a QR Code?

A QR code (Quick Response code) is a two-dimensional barcode that stores information readable by smartphones and dedicated QR scanning devices. Unlike traditional barcodes that only hold data horizontally, QR codes store information both horizontally and vertically, allowing them to contain significantly more data—up to 4,296 alphanumeric characters.

Developed in 1994 by Denso Wave for tracking automotive parts, QR codes have evolved into an essential tool for modern digital communication. Today, they are used for everything from restaurant menus and payment systems to marketing campaigns and contactless information sharing.

How QR Codes Work

QR codes function through a sophisticated error correction algorithm that allows them to be read even if partially damaged or obscured. When you scan a QR code with your smartphone camera, the device analyzes the pattern of black and white modules to decode the embedded information.

The three position detection patterns at the corners allow the scanner to determine the code's orientation and size. The encoded data is extracted using Reed-Solomon error correction, which can recover the original information even if up to 30% of the code is damaged or unreadable.

How to Use This Tool

Our free QR code generator is designed for simplicity and power. Follow these steps to create your custom QR code:

1. Enter your content – Type or paste your URL, text, or other information in the input field. Our tool supports any text up to 200 characters.
2. Customize appearance – Switch to the Options tab to select your preferred size, choose foreground and background colors, and upload an optional logo.
3. Generate – Click the generate button to create your QR code instantly.
4. Download or share – Save your QR code as a high-quality PNG file or copy it directly to your clipboard.

Features Breakdown

• Custom Colors – Match your brand with customizable foreground and background colors
• Multiple Sizes – Choose from 128×128px to 1024×1024px for any use case
• Error Correction Levels – Four levels ensure readability even with logo overlays
• Logo Upload – Add your brand logo to the center of the QR code
• Instant Download – Save as high-quality PNG with transparent naming
• Clipboard Copy – Copy directly to clipboard for immediate use
• Dark Mode – Comfortable viewing in any lighting condition
• Mobile Optimized – Perfect functionality on smartphones and tablets

Benefits of Using QR Codes

Implementing QR codes in your business or personal projects offers numerous advantages:

Contactless Convenience – QR codes enable touch-free information sharing. Customers can access menus, make payments, or retrieve information without physical contact.

Trackable Marketing – When used with URL shorteners, QR codes provide valuable analytics about scan locations, times, and devices.

Space Efficiency – QR codes condense extensive information into a small, scannable graphic.

Cost Effective – Once generated, QR codes cost nothing to distribute. Print them on business cards, flyers, products, or display them digitally.

Step-by-Step Guide

Step 1: Plan Your Content

Before generating, determine what action you want users to take. For URLs, ensure the destination page is mobile-optimized.

Step 2: Optimize for Scanning

Choose appropriate sizing based on scanning distance. Select high error correction if placing codes in challenging environments.

Step 3: Brand Appropriately

While black and white offers maximum compatibility, branded colors increase recognition. Ensure sufficient contrast.

Step 4: Test Thoroughly

Always test generated codes with multiple devices before mass distribution. Verify functionality under various conditions.

Who Should Use This Tool?

Small Business Owners – Create codes for Google reviews, payment links, and promotional offers.

Marketing Professionals – Bridge offline and online campaigns by adding QR codes to print advertisements.

Educators and Students – Share resources, submit assignments, or create interactive learning materials.

Event Organizers – Streamline check-ins, share digital programs, and collect feedback.

Common Errors & Fixes

QR Code Not Scanning: Ensure sufficient contrast between foreground and background colors. Test with multiple scanner apps.

Logo Too Large: Keep logo under 20% of QR code size. Use high error correction level when adding logos.

URL Not Working: Verify the URL is correct and accessible. Include https:// for best compatibility.

Frequently Asked Questions