How to Create a QR Code: Free QR Code Generator Guide

Need to create a QR code for your website, WiFi network, business card, or any other content? This QR Code Generator lets you create custom QR codes instantly — with full control over size, colors, error correction, and even an artistic mode that blends your QR code with a reference image.

What Is a QR Code Generator?

A QR code generator converts text, URLs, contact information, or other data into a scannable QR (Quick Response) code image. QR codes are two-dimensional barcodes that can store up to 4,296 alphanumeric characters and can be read by any smartphone camera.

This generator supports six content types and produces downloadable PNG images ready for print or digital use.

Supported Content Types

Content Type	What You Enter	What Gets Encoded
URL / Website	A web address	Clickable link that opens in a browser
Plain Text	Any text message	Text displayed on the scanning device
Contact Card (vCard)	Name, phone, email, organization	Saveable contact entry
WiFi Network	SSID, password, encryption type	Auto-connect to the network on scan
Email	Address, subject, body	Pre-filled email ready to send
Phone Number	Phone number with country code	Tap-to-call on mobile devices

How to Create a QR Code

Step 1: Choose Your Content Type

Select what kind of information you want to encode. The form fields change dynamically based on your selection.

Step 2: Enter Your Content

Fill in the required fields for your chosen content type:

URL / Website:

• Enter your website address. The https:// prefix is added automatically if you omit it.
• Example: example.com becomes https://example.com

Plain Text:

• Type or paste any text you want to encode. Useful for messages, serial numbers, product codes, or promotional text.

Contact Card (vCard):

• Full Name (required) — the contact's display name
• Phone Number — with country code for international compatibility
• Email Address — the contact's email
• Organization — company or business name
• Job Title — position or role
• Address — physical address
• Website — personal or company URL
• LinkedIn — LinkedIn profile URL
• X (Twitter) — X/Twitter profile URL
• Instagram — Instagram profile URL
• Facebook — Facebook profile URL

The generator creates a standard vCard 3.0 format with X-SOCIALPROFILE extensions for social media links. This works with all major contact apps (iPhone Contacts, Google Contacts, Outlook).

WiFi Network:

• Network Name (SSID) (required) — your WiFi network name, exactly as it appears
• Password — leave empty for open networks
• Encryption Type — WPA/WPA2 (most common), WEP (legacy), or None (open)
• Hidden Network — enable if your SSID is not broadcast

When someone scans this QR code, their phone offers to connect to the network automatically — no manual password typing needed.

Email:

• Email Address (required) — the recipient
• Subject — pre-filled subject line (optional)
• Message Body — pre-filled email text (optional)

Scanning opens the user's email app with your address, subject, and body pre-filled.

Phone Number:

• Enter the full phone number with country code (e.g., +1234567890)
• Scanning triggers a tap-to-call action on mobile devices

Step 3: Customize QR Code Settings

Fine-tune your QR code's appearance:

• Size (pixels) — width and height of the output image (100 to 1,000 pixels). For print, use 300+ pixels. For web, 200–300 pixels is usually sufficient.

• Error Correction Level — determines how much of the QR code can be damaged or obscured while still remaining scannable:

Level	Recovery Capacity	Best For
Low (L)	~7%	Clean digital displays, small size priority
Medium (M)	~15%	General purpose (default)
Quartile (Q)	~25%	Printed materials that may get worn
High (H)	~30%	Harsh environments, logos overlaid on QR codes

• Foreground Color — the color of the QR code modules (dark squares). Default is black (#000000). Use hex color format.

• Background Color — the color behind the QR code. Default is white (#FFFFFF). Ensure strong contrast with the foreground color for reliable scanning.

• Margin — the quiet zone (blank border) around the QR code, measured in modules (0 to 10). A margin of 4 is standard. Reducing it saves space but may reduce scan reliability.

Step 4: Artistic Mode (Optional)

Enable Artistic Mode to create a QR code that visually resembles a reference image while remaining fully scannable. This is ideal for branded QR codes, event materials, or creative designs.

How it works:

1. Toggle on Artistic Mode
2. Upload a Reference Image (PNG, JPEG, or WebP — max 2 MB)
3. Adjust Contrast (0.5 to 2.0) — higher values make the image details more prominent
4. Adjust Brightness (-50 to +50) — compensate for dark or light reference images
5. Choose Color Mode:
   • Grayscale — classic halftone look, best scan reliability
   • Color — preserves the original image colors within the QR code
6. Choose Module Style:
   • Square — traditional QR modules
   • Rounded Dot — softer, modern appearance

Artistic mode automatically uses High (H) error correction to ensure the QR code remains scannable despite the visual overlay.

Tip: For best results, use reference images with clear subjects and good contrast. Simple logos and icons work better than complex photographs.

Step 5: Generate and Download

Click Generate to create your QR code. The result appears as a downloadable PNG image with an auto-generated filename based on your content type (e.g., qrcode-example-com.png for a URL).

Tips for Creating Effective QR Codes

1. Test before printing. Always scan your generated QR code with a phone camera before using it in production materials. Test with multiple devices if possible.

2. Maintain high contrast. The foreground and background colors need strong contrast for reliable scanning. Black on white is the safest choice. Avoid light-on-light or dark-on-dark combinations.

3. Size matters for print. For printed materials, a QR code should be at least 2 cm (0.8 inches) per side. Larger is better — especially at a distance. Use 300+ pixel output for print.

4. Don't crop the margin. The quiet zone (white border) around the QR code is required by the specification. Removing it can prevent scanners from detecting the code.

5. Use appropriate error correction. If your QR code will be on a poster that might get weathered, use Quartile or High. For a clean digital screen, Low or Medium saves space.

6. Keep URLs short. Shorter content produces simpler QR codes with larger modules, making them easier to scan at a distance or at small sizes. Consider using a URL shortener for long web addresses.

7. WiFi QR codes save time. Instead of telling guests your WiFi password, print a WiFi QR code. They scan it and connect instantly — no typing required.

8. Use vCards for networking. Print a contact card QR code on your business card. People scan it and save your full contact info in one tap instead of manual entry.

Common Questions

What is a QR code?

A QR code (Quick Response code) is a two-dimensional barcode that stores data in a grid of black and white squares. Invented by Denso Wave in 1994 for the automotive industry, QR codes are now used universally for encoding URLs, contact information, WiFi credentials, payment information, and more. Any smartphone camera can read them without installing a separate app.

How much data can a QR code hold?

A single QR code can store up to:

• 7,089 numeric characters (digits only)
• 4,296 alphanumeric characters (letters, digits, and common symbols)
• 2,953 bytes of binary data

In practice, shorter content produces simpler QR codes that are easier to scan. A typical URL or WiFi configuration uses a small fraction of this capacity.

What size should my QR code be?

It depends on scanning distance:

Use Case	Minimum Size	Recommended
Business card	2 cm (0.8 in)	2.5 cm (1 in)
Flyer or brochure	2.5 cm (1 in)	3 cm (1.2 in)
Poster (viewed from 1 m)	3 cm (1.2 in)	5 cm (2 in)
Banner (viewed from 3 m)	10 cm (4 in)	15 cm (6 in)
Billboard	30 cm (12 in)	50 cm+ (20 in+)

A general rule: the QR code should be at least 1/10th of the scanning distance.

Can I use custom colors?

Yes. You can set any foreground and background color using hex codes. However, maintain strong contrast — the foreground must be significantly darker than the background. QR scanners rely on this contrast to detect modules. Avoid colors that look similar when desaturated (e.g., red on green may look the same in grayscale).

What is error correction and which level should I choose?

Error correction adds redundant data so the QR code can still be read if part of it is damaged, dirty, or obscured. Choose based on your use case:

• Low (L): 7% recovery — digital screens, space-constrained designs
• Medium (M): 15% recovery — general purpose, reliable for most scenarios
• Quartile (Q): 25% recovery — printed materials exposed to wear
• High (H): 30% recovery — outdoor signage, QR codes with logos or artistic overlays

Higher error correction makes the QR code more complex (more modules), so it may need to be larger to scan reliably.

What is Artistic Mode?

Artistic Mode generates a QR code that visually incorporates a reference image using halftone rendering. The image is converted into dots that double as QR code modules — creating a code that looks like a picture but remains fully scannable. It uses High error correction automatically to compensate for the visual complexity.

Can I add a logo to my QR code?

Artistic Mode is the recommended approach for branded QR codes. Upload your logo as the reference image, and the generator creates a QR code that incorporates it visually. This is more reliable than manually placing a logo over a QR code because the artistic rendering ensures the underlying QR data remains intact.

Are the generated QR codes free to use?

Yes. QR codes generated with this tool are yours to use for any purpose — personal, commercial, or educational. There are no watermarks, usage limits, or licensing restrictions. The QR code standard (ISO/IEC 18004) is open and royalty-free.

Do QR codes expire?

No. A QR code is simply encoded data — it doesn't connect to a server or have an expiration mechanism. A QR code containing https://example.com will always decode to that URL. However, the destination (website, WiFi network, etc.) could change or go offline independently of the QR code itself.

How do I create a WiFi QR code?

1. Select WiFi Network as the content type
2. Enter your exact network name (SSID) — case-sensitive
3. Enter the WiFi password
4. Select the encryption type (WPA/WPA2 for most modern networks)
5. Toggle Hidden Network if your SSID isn't broadcast
6. Click Generate

Print the resulting QR code and place it where guests can scan it. Their phone will offer to connect automatically.

What format is the output image?

The generator produces PNG images at your specified pixel size. PNG is lossless, so the QR code modules remain crisp and well-defined — ideal for both screen display and print. The file is named automatically based on your content (e.g., qrcode-wifi-MyNetwork.png).

Use Cases for QR Codes

• Restaurants and cafes — link to digital menus, WiFi access, or review pages
• Business cards — encode your full contact info as a vCard for instant saving
• Product packaging — link to manuals, warranty registration, or support pages
• Event marketing — link to registration pages, maps, or schedules
• Real estate — link to property listings or virtual tours
• Education — link to course materials, assignments, or supplementary resources
• Retail — link to product details, coupons, or loyalty programs
• Home and office — share WiFi credentials without dictating passwords

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Note: QR codes generated by this tool conform to the ISO/IEC 18004 standard and are compatible with all standard QR code readers, smartphone cameras, and scanning applications.