DevUtils

Free Online QR Code Generator

Our advanced free QR code generator creates custom, high-quality QR codes with logo support for URLs, vCard contact information, WiFi networks, and business applications. This professional QR code maker allows you to design branded QR codes with custom colors, logos, and frames that maintain perfect scannability across all devices and scanning apps. Whether you need QR codes for marketing campaigns, business cards, restaurant menus, or digital networking, our online QR code creator generates vector-quality codes in PNG, SVG, and high-resolution formats that work flawlessly in both print and digital applications.

QR Code Type

QR Code Options

Logo (optional)

QR Code Preview

Scan this QR code with a QR code reader app on your smartphone.

How to Use
1

Choose QR Type

Select URL, text, email, WiFi, or other QR code types

2

Customize Design

Adjust colors, size, error correction, and add logos

3

Download & Share

Download as PNG or copy to clipboard for immediate use

About QR Codes

QR codes (Quick Response codes) are two-dimensional barcodes that can be scanned using a smartphone camera to quickly access information or perform actions. They can store various types of data, including URLs, text, contact information, and more.

QR Code Types

  • URL: Link to a website or web page
  • Text: Display plain text when scanned
  • Email: Open an email client with pre-filled address, subject, and body
  • Phone: Initiate a phone call when scanned
  • SMS: Open a text message with pre-filled number and message
  • WiFi: Connect to a WiFi network automatically
  • Location: Show a specific location on a map
  • vCard: Share contact information that can be saved to a phone's contacts

QR Code Error Correction

QR codes include error correction capabilities that allow them to be read even if parts of the code are damaged or obscured. Higher error correction levels make the QR code more resilient but also increase its complexity.

  • Low (L): 7% of codewords can be restored
  • Medium (M): 15% of codewords can be restored
  • Quartile (Q): 25% of codewords can be restored
  • High (H): 30% of codewords can be restored

Tips for QR Codes

  • Use a higher error correction level if you plan to add a logo to your QR code
  • Ensure good contrast between the foreground and background colors
  • Test your QR code with multiple devices before distributing it
  • Include a margin around your QR code to make it easier to scan
  • Keep the data in your QR code concise to reduce complexity

Advanced QR Code Features and Customization Options

Our comprehensive QR code generator creates high-quality, customizable QR codes for diverse applications including marketing campaigns, business cards, event management, and digital interactions. This professional-grade tool supports multiple data types including URLs, plain text, contact information (vCard), WiFi credentials, email addresses, and SMS messages, making it versatile for both business and personal use cases that require quick, reliable information sharing.

Advanced customization options allow you to create branded QR codes that align with your visual identity and marketing materials. Customize colors, add logos or images to the center, adjust corner styles, and modify patterns to create unique QR codes that stand out while maintaining optimal scannability. The generator automatically optimizes logo placement and sizing to ensure QR codes remain functional across different scanning devices and lighting conditions.

Multiple QR code types cater to specific use cases and industries. Generate URL QR codes for website links and landing pages, vCard QR codes for instant contact information sharing, WiFi QR codes for seamless network access, and SMS QR codes for quick messaging. Each type includes specialized input fields and validation to ensure generated QR codes work correctly with standard scanning applications and devices.

High-resolution output options ensure your QR codes look professional in both digital and print applications. Generate QR codes in various formats including PNG, JPEG, and SVG vector formats suitable for business cards, posters, packaging, and digital displays. Size options range from small social media graphics to large-format printing, with automatic resolution optimization that maintains scanning reliability at any size.

The tool includes comprehensive testing and validation features that verify QR code functionality before use. Built-in scanning simulation tests QR codes across different error correction levels and ensures compatibility with popular QR code scanning apps. Real-time preview shows exactly how your QR code will appear, while error correction level adjustment helps optimize codes for specific use environments, from pristine digital displays to potentially damaged print materials.

Privacy and security considerations are built into every aspect of the QR code generator. All QR code generation occurs entirely within your browser, ensuring that sensitive information like WiFi credentials is never sent to our servers. This client-side processing protects your privacy and keeps your data secure.

Frequently Asked Questions - QR Code Generator

What types of QR codes can I generate with this free QR code generator?

Our comprehensive QR code generator supports 8 different QR code types: URL/Website links, Plain text, Email with subject and body, Phone numbers for direct calling, SMS with pre-filled messages, WiFi network credentials for instant connection, GPS location coordinates with optional place names, and vCard contact information. Each type is optimized for specific use cases and mobile device compatibility.

How do I customize QR code colors and add my logo for branding?

You can fully customize your QR code appearance by selecting custom foreground and background colors using our color picker. Upload your company logo (PNG, JPG, or other image formats) and adjust the logo size from 20px to half the QR code size. The tool automatically centers your logo and adds a white background for optimal scanning while maintaining brand visibility.

What QR code sizes and error correction levels are available?

Generate QR codes from 100px to 1000px in size with 4 error correction levels: Low (7% recovery), Medium (15% recovery), Quartile (25% recovery), and High (30% recovery). Higher error correction allows scanning even if the QR code is partially damaged or obscured by logos. Choose higher levels for QR codes with logos or those printed on materials prone to wear and tear.

How do I create WiFi QR codes for instant network connection?

Select "WiFi" from the QR type dropdown, enter your network name (SSID), password, and choose encryption type (WPA/WPA2, WEP, or None). You can also mark networks as hidden. When scanned, users can instantly connect to your WiFi network without manually typing credentials. This is perfect for guest networks, offices, cafes, and events where you want to provide easy internet access.

Can I generate vCard QR codes for business card information?

Yes! Create professional vCard QR codes containing name, company, job title, phone number, email, website, and full address. When scanned, the QR code automatically prompts users to save your contact information to their phone's address book. This eliminates the need for physical business cards and ensures your contact details are accurately stored without manual typing errors.

How do I download and share my generated QR codes?

After generating your QR code, click "Download" to save it as a high-quality PNG image file, or use "Copy to Clipboard" for immediate pasting into documents, emails, or design software. Downloaded files are automatically named with timestamps for easy organization. The QR codes work perfectly for printing on business cards, flyers, posters, or digital sharing on websites and social media.

Are QR codes generated by this tool compatible with all QR code scanners?

Absolutely! Our QR code generator follows international QR code standards (ISO/IEC 18004) ensuring compatibility with all major QR code scanning apps, built-in camera scanners on smartphones, and dedicated QR code readers. The codes work seamlessly on iPhone, Android, and other mobile devices without requiring specific apps or additional software installation.

Can I create QR codes for email with pre-filled subject and message?

Yes! Our email QR code feature allows you to specify the recipient email address, subject line, and message body. When scanned, it opens the user's default email app with all fields pre-populated, making it extremely easy for customers to contact you. This is perfect for customer support, feedback collection, or marketing campaigns where you want to streamline the email communication process.

How do location QR codes work with GPS coordinates?

Enter latitude and longitude coordinates plus an optional location name to create GPS QR codes. When scanned, these codes automatically open the user's default maps application (Google Maps, Apple Maps, etc.) and display the exact location with navigation options. Perfect for event venues, business locations, meeting points, or any situation where you need to provide precise location information.

What happens when I scan SMS QR codes with pre-filled messages?

SMS QR codes open the user's messaging app with the phone number and message pre-filled, ready to send. Users can edit the message before sending or send it immediately. This feature is excellent for customer service, feedback requests, contest entries, or any scenario where you want to make texting your business as simple as possible for customers.

Is there a limit to how much text I can include in QR codes?

QR codes can technically store up to 4,296 alphanumeric characters, but practical scanning performance decreases with larger amounts of data. For optimal scanning reliability, we recommend keeping URLs under 200 characters, text messages under 500 characters, and vCard information concise. Our tool automatically optimizes QR code density based on your content length and selected error correction level.

Can I reset the QR code generator and start over with different settings?

Yes! Click the "Reset" button to clear all form fields and return to default settings. This resets the QR type to URL, clears all input fields, removes uploaded logos, and restores default colors and size settings. The reset feature is useful when creating multiple different QR codes or when you want to start fresh with a completely new QR code configuration.