Attachad
Free & private tool

QR Code Generator

Generate professional QR codes for URLs, text, WiFi networks, emails, phone numbers, and more. Customize colors, size, and download in high-quality PNG format.

Multiple Formats100% FreeInstant

Example: https://attachad.com

Appearance Settings

Higher levels make QR codes more resistant to damage

QR Code Preview

Enter content and click generate

Your QR code will appear here

💡

Pro Tips

• Keep QR codes simple — shorter URLs and text create simpler patterns
• Use high contrast colors (dark on light) for best scannability
• Test your QR code with multiple devices before printing
• Higher error correction helps if your QR code might get damaged

About the tool

What is the QR Code Generator Tool?

The QR Code Generator is a powerful online tool that creates custom QR codes for any type of content — URLs, text messages, WiFi networks, email addresses, phone numbers, and more. Our generator is designed for users who need professional QR codes quickly without complex software.

QR codes are two-dimensional barcodes that can be scanned by smartphones to instantly access information. Perfect for marketing materials, business cards, product packaging, and digital campaigns. QR codes bridge the gap between physical and digital worlds, making it easy for people to access online content.

Our tool supports multiple QR code types including URL, text, WiFi network, email, phone number, and SMS. You can customize colors, size, and error correction level to create QR codes that match your brand and requirements.

All QR codes are generated locally in your browser using the qrcode library. No data is sent to any server, ensuring complete privacy and security for your content.

Key benefits

Why Choose Our QR Code Generator?

Customizable Design

Adjust colors and size to match your brand. Create QR codes that stand out and align with your visual identity.

Multiple Content Types

Support for URLs, text, WiFi, email, phone, and SMS. Generate QR codes for any use case.

Instant Generation

Create QR codes in seconds. No waiting, no processing delays. Generate unlimited QR codes instantly.

Privacy First

No data storage, generate locally. Your content never leaves your device, ensuring complete privacy.

Features

Key Features of Our QR Code Generator

Six Content Types

Generate QR codes for URLs, plain text, WiFi networks, email addresses, phone numbers, and SMS messages. Each type includes templates with examples to help you format content correctly for optimal scanning.

Color Customization

Customize both QR code color and background color using color pickers or hex values. Match your brand colors or create eye-catching designs. High contrast colors ensure optimal scannability.

Size Control

Adjust QR code size from 128px to 512px. Choose the right size for your use case — smaller for business cards, larger for posters and print materials.

Error Correction Levels

Choose from four error correction levels (L, M, Q, H) providing 7%, 15%, 25%, or 30% recovery capability. Higher levels make QR codes more resistant to damage but create more complex patterns.

History Tracking

Access your last 10 generated QR codes from the history panel. Reload previous QR codes with a single click without re-entering content.

Use cases

Common Use Cases for QR Codes

Business Cards: Add QR codes to share contact information instantly without typing. Scan to save contact details directly to a smartphone.

Product Packaging: Link to product information, manuals, or instructional videos. Enhance customer experience with easy access to digital content.

WiFi Sharing: Share network access without typing passwords manually. Guests scan to connect instantly to your WiFi network.

Marketing Materials: Drive traffic to your website or landing pages from print materials. Track campaign performance with QR code analytics.

Restaurant Menus: Provide contactless menu access by linking QR codes to digital menus. Update menu items without reprinting.

Simple steps

How to Generate a QR Code

1

Enter Content

Type your URL, text, or other content for the QR code

2

Customize

Adjust colors, size, and error correction level

3

Generate

Click generate to create your custom QR code

4

Download

Save your QR code as high-quality PNG

The entire QR code generation process takes just seconds and requires no technical expertise. Simply select your content type, enter your content, customize the appearance, and click generate. The intuitive interface makes it easy for anyone to create professional QR codes.

For best results, test your QR code with multiple devices before printing or publishing. Ensure proper contrast between the QR code and background colors. Keep content concise for simpler, more scannable QR codes.

Under the hood

Technical Details & Specifications

QR Code Library

We use the qrcode library for reliable QR code generation. This library implements the QR code standard (ISO/IEC 18004) and supports all error correction levels. QR codes are generated as high-quality PNG data URLs.

Supported Content Types

Our tool supports six content types: URL, plain text, WiFi network credentials, email address, phone number, and SMS message. Each type includes formatting templates and examples for correct encoding.

Error Correction Levels

Four error correction levels are available: L (7%), M (15%), Q (25%), and H (30%). Higher levels provide better resistance to damage but create more complex QR patterns. Choose based on your use case.

Output Specifications

QR codes are generated at sizes from 128px to 512px with customizable colors. Output format is PNG with 2-module margin. The generated QR codes comply with ISO/IEC 18004 standards.

FAQ

Frequently Asked Questions

Yes! Our QR code generator is completely free with no watermarks, no hidden fees, and no premium features locked behind a paywall. You can generate unlimited QR codes for personal or commercial use without any restrictions.

Explore more

Ready to Create Your QR Code?

Start generating now — it's free, fast, and easy to use. No registration required.