Free QR Code Generator - Create Custom QR Codes with Logo Online

Free QR Code Generator - Create Professional QR Codes Online

Transform the way you share information with our comprehensive QR code generator. Whether you're a business owner distributing contact details, a marketer tracking campaigns, an event organizer managing tickets, or simply someone who wants to share a WiFi password effortlessly, our tool makes creating professional QR codes simple, fast, and completely free.

Unlike many services that charge monthly fees or limit features behind paywalls, our generator provides full access to advanced capabilities including custom logo integration, color customization, bulk generation from CSV files, and high-resolution downloads in multiple formats. Create unlimited QR codes with no registration, no hidden costs, and no expiration dates.

Why Choose Our QR Code Generator?

Complete Features Overview

• Multiple QR Code Types: Generate codes for website URLs, WiFi network credentials, vCard contact information, email addresses with pre-filled subjects, phone numbers for direct calling, SMS messages, and plain text. Each type is optimized for its specific use case.
• Custom Logo Integration: Upload your company logo, brand icon, or any image to place in the center of your QR code. Our system automatically sizes and positions logos while maintaining scannability. Perfect for branded marketing materials.
• Full Color Customization: Choose any foreground (QR code) and background colors to match your brand identity, event theme, or design aesthetic. Use our color picker or enter specific hex values for precise color matching.
• Bulk CSV Generation: Create hundreds or thousands of QR codes simultaneously by uploading a CSV file or pasting a list of data. Apply the same styling to all codes and download everything as a convenient ZIP file. Essential for product catalogs, event tickets, and inventory management.
• Adjustable Error Correction: Select from four error correction levels (L, M, Q, H) to balance between QR code complexity and damage resistance. Higher levels allow codes to work even if up to 30% of the code is damaged or obscured by logos.
• High-Quality Export Options: Download as PNG (perfect for websites, emails, and presentations) or SVG (ideal for professional printing on business cards, posters, and packaging). SVG format ensures crisp, sharp codes at any size.
• Real-Time Preview: See your QR code update instantly as you make changes. Test different color combinations, logo placements, and sizes before downloading. What you see is what you get.
• Local History Tracking: Your generated QR codes are automatically saved in browser history (stored locally on your device only). Quickly recreate previous codes without re-entering all details. Clear history anytime for privacy.
• Mobile-Responsive Interface: Create QR codes from any device - desktop computers, tablets, or smartphones. The interface adapts perfectly to your screen size with full functionality maintained across all devices.
• No Account Required: Start creating immediately without registration, email verification, or providing personal information. Complete privacy - we never see or store your data.

Understanding QR Code Types and Uses

URL QR Codes - Website Links

The most common type of QR code. Encode any website address (URL) to direct scanners to your website, online menu, product page, social media profile, or any web destination. Perfect for marketing materials, business cards, product packaging, and advertising. Simply enter the full URL starting with 'https://' and the code does the rest.

WiFi QR Codes - Network Sharing

Eliminate the hassle of manually entering WiFi passwords. Create a QR code containing your network name (SSID), password, and encryption type (WPA/WPA2, WEP, or open network). Guests, customers, or employees can scan and connect instantly without typing. Ideal for homes, offices, cafes, restaurants, hotels, and events.

vCard QR Codes - Digital Business Cards

Replace traditional paper business cards with a scannable digital version. Encode your full name, phone number, email address, company name, job title, and website. When scanned, the recipient can instantly save your contact information to their phone's address book. Perfect for networking events, conferences, and professional meetings.

Email QR Codes - Pre-Filled Messages

Generate QR codes that open the scanner's email app with your email address pre-filled in the 'To' field. Optionally include a subject line and message body. Great for customer support contacts, feedback collection, and 'Contact Us' sections on printed materials.

Phone & SMS QR Codes - Instant Communication

Phone QR codes initiate a phone call when scanned, perfect for customer service hotlines, support numbers, and emergency contacts. SMS codes open the messaging app with your number and optional pre-written message, ideal for contests, voting, and quick responses.

Text QR Codes - Simple Information

Encode plain text messages up to several hundred characters. Use for instructions, serial numbers, product information, quotes, event details, or any text content you want to share in a scannable format.

How to Create Your Perfect QR Code

Step 1: Select the Right Type

Begin by choosing the QR code type that matches your needs from the dropdown menu. Consider what action you want users to take when scanning - visit a website, connect to WiFi, save contact info, or something else. The interface changes dynamically to show relevant input fields for each type.

Step 2: Enter Your Content

Fill in the required information carefully. For URLs, ensure you include the full address with 'https://'. For WiFi codes, enter the exact network name and password. For vCards, provide complete contact details. Double-check all entries before generating to avoid creating incorrect codes.

Step 3: Customize the Design

Personalize your QR code's appearance. Choose foreground and background colors - remember that high contrast (typically dark code on light background) ensures best scanning reliability. Adjust the size slider based on where you'll use the code. Upload a logo if desired, keeping it reasonably small to maintain scannability.

Step 4: Set Error Correction

Select an appropriate error correction level. Use 'Medium (15%)' for most purposes. Choose 'High (30%)' if adding a logo or if the code might get damaged (outdoor use, frequently handled materials). Higher correction means more complex codes but better reliability.

Step 5: Preview and Test

Review the live preview to see your final QR code. Check that colors have good contrast and the logo (if used) isn't too large. Before mass producing, download a test copy and scan it with your smartphone to verify it works correctly and directs to the intended destination.

Step 6: Download and Use

Click 'Download PNG' for digital use or 'Download SVG' for print materials. PNG files work great for websites, emails, and presentations. SVG files are vector-based and maintain perfect quality at any size, essential for professional printing on business cards, posters, banners, and packaging.

Bulk QR Code Generation - For Power Users

Our bulk generation feature revolutionizes how businesses and organizations create multiple QR codes. Instead of manually generating each code one by one, process hundreds or thousands simultaneously with just a few clicks.

Perfect Use Cases for Bulk Generation

• E-commerce Product Catalogs: Generate unique QR codes for every product linking to individual product pages. Print on packaging, shelf tags, or marketing materials.
• Event Ticketing: Create unique codes for each ticket or attendee. Use for entry verification, personalized experiences, or tracking attendance.
• Inventory Management: Generate codes for tracking assets, equipment, or warehouse inventory. Link to internal database entries or tracking systems.
• Real Estate Listings: Create codes for multiple properties, each linking to detailed listing pages with photos, virtual tours, and contact information.
• Restaurant Menus: Generate codes for different menu sections, seasonal offerings, or multi-location chains where each location needs unique codes.
• Marketing Campaigns: Create tracking codes for different marketing channels, regions, or customer segments to measure campaign effectiveness.
• Educational Resources: Generate codes for learning materials, online resources, video lessons, or supplementary content for textbooks.

How Bulk Generation Works

1. Prepare Your Data: Create a CSV file or list with one entry per line. For URLs, each line should contain a complete web address. You can include hundreds or thousands of entries.
2. Switch to Bulk Mode: Click the 'Bulk Generate' tab at the top of the generator interface.
3. Import Data: Either upload your CSV file or paste your list directly into the text area. The system shows how many codes will be generated.
4. Apply Global Settings: Choose colors, size, error correction, and optionally upload a logo. These settings apply to all generated codes for consistency.
5. Generate All Codes: Click the generate button and wait while the system creates all QR codes. Processing time depends on quantity but is typically very fast.
6. Download as ZIP: Receive a compressed ZIP file containing all QR codes as individual PNG images, each named sequentially (qrcode_1.png, qrcode_2.png, etc.).

Design Best Practices for Maximum Scannability

Color Contrast is Critical

QR codes rely on high contrast between the foreground (typically black or dark colors) and background (typically white or light colors) for reliable scanning. The scanning algorithm needs to clearly distinguish the two. Dark QR codes on light backgrounds work best. Avoid low-contrast combinations like yellow on white, or pastel colors. For aesthetic reasons, you can use brand colors, but always test scanning reliability.

Size Matters for Print

The minimum recommended size for printed QR codes is 2cm x 2cm (approximately 0.8 x 0.8 inches) for scanning from normal distance (10-15cm). Larger is generally better. For materials viewed from far away like posters, billboards, or window displays, make codes proportionally larger. Business cards can use smaller codes (2-3cm) since they're viewed up close. Always consider the scanning distance when determining size.

Logo Placement Guidelines

When adding logos, keep them reasonably small - ideally under 30% of the total QR code area. Center placement works best. Use high-contrast logos with simple designs for best results. Always set error correction to 'High (30%)' when using logos, as this provides redundancy if the logo obscures some data. Test scan every logo-enhanced code before mass production.

Error Correction Selection

Error correction allows QR codes to remain functional even when partially damaged or obscured. Choose based on your use case: 'Low (7%)' for simple digital displays, 'Medium (15%)' for most general uses, 'Quartile (25%)' for codes that might get slightly damaged, and 'High (30%)' for codes with logos or outdoor/high-wear applications. Higher correction increases code complexity but improves reliability.

Testing Before Deployment

Always test scan QR codes before mass printing or distribution. Use multiple smartphone models and QR scanning apps if possible, as scanning capabilities vary. Test in different lighting conditions. For print materials, test on actual printed samples, not just computer screens, as colors and sizes may appear different. Better to catch issues early than reprint thousands of materials.

File Format Selection

Choose PNG for digital uses - it's widely supported, has good quality, and reasonable file sizes. Use SVG for professional printing - it's vector-based so it scales infinitely without quality loss, ensuring sharp edges at any size. For mass distribution where file size matters, PNG is more compatible. For high-end printing where quality is paramount, SVG is superior.

Security and Privacy Considerations

For QR Code Creators (You)

Our generator processes everything client-side in your web browser using JavaScript. Your data never gets uploaded to our servers, transmitted over the internet, or stored in any database. We have zero access to the content you encode. History is saved locally on your device only using browser localStorage. This architecture ensures complete privacy for sensitive business information, personal details, or proprietary data.

For QR Code Scanners (Your Users)

When someone scans a QR code, they should be aware of basic security practices. Most modern smartphones show the encoded data (especially URLs) before acting, allowing users to verify the destination. Warn users to be cautious of QR codes from unknown or untrusted sources. Malicious codes can direct to phishing sites or trigger unwanted downloads. Never scan codes from suspicious sources or random stickers placed over existing legitimate codes.

Data Permanence

QR codes created with our tool are 'static' - the data is encoded directly in the code itself. They work forever and never expire, even if our website goes offline. However, this means you cannot change the destination after creation. If you need to update information, you'll need to generate and distribute new codes. For URLs, ensure your destination page remains active.

Business Applications and Use Cases

Marketing and Advertising

Use QR codes on print advertisements, billboards, bus shelters, magazine ads, and direct mail to drive traffic to landing pages, promotional offers, or product information. Track campaign performance by using unique codes for different channels or regions. Bridge the gap between offline advertising and online engagement.

Product Packaging and Labels

Include codes on product packaging linking to instruction manuals, assembly videos, warranty registration, customer support, or authenticity verification. Enhance customer experience by providing instant access to supplementary information without cluttering the package.

Business Cards and Networking

Transform traditional business cards into interactive networking tools with vCard QR codes. Recipients can instantly save your contact information without manual data entry. Include a URL code on the back linking to your portfolio, LinkedIn profile, or company website.

Retail and Point of Sale

Place codes near products for detailed specifications, customer reviews, how-to videos, or related product suggestions. Enable contactless payment options with payment QR codes. Provide digital receipts via email by scanning a code at checkout.

Events and Conferences

Streamline event check-in with QR code tickets. Share event schedules, speaker bios, venue maps, and WiFi credentials via scannable codes. Collect attendee feedback by linking to surveys. Enable networking by sharing digital contact cards.

Education and Training

Provide students instant access to online resources, video lectures, supplementary materials, and assignment submissions. Create interactive textbooks with codes linking to demonstrations, animations, or additional reading. Simplify classroom management with codes for attendance, materials distribution, and announcements.

Healthcare and Medical

Store patient information, medication details, and medical records securely (when combined with proper authentication systems). Provide patients with instant access to test results, appointment scheduling, and telehealth services. Manage hospital equipment and medication inventory with tracking codes.

Real Estate and Property

Place codes on 'For Sale' signs linking to virtual tours, photo galleries, property details, and agent contact information. Enable prospective buyers to access information 24/7 without disturbing current occupants. Track which properties generate the most interest.

Frequently Asked Questions

What is a QR code and how does it work?

A QR code (Quick Response code) is a two-dimensional barcode consisting of black squares arranged on a white background. It stores data like URLs, text, contact information, or WiFi credentials. When scanned by a smartphone camera or dedicated QR reader app, the encoded information is instantly decoded and displayed or acted upon. QR codes use patterns and positioning markers to enable fast, accurate reading from any angle.

Is this QR code generator completely free?

Yes, absolutely. Our QR code generator is 100% free with zero hidden costs, subscription fees, or usage limits. You can create unlimited QR codes, use all customization features including logo uploads and color changes, generate bulk codes from CSV files, and download in both PNG and SVG formats without paying anything. No credit card information or registration required ever.

How do I add a logo to my QR code?

Click the 'Upload Logo' button in the customization section and select your image file (supports PNG, JPG, and SVG formats). The logo will be automatically centered in the QR code with appropriate sizing. For best results, use a simple logo with high contrast and set error correction to 'High (30%)' to ensure the code remains scannable despite the logo covering some data. Always test scan the final code to verify it works.

What's the difference between PNG and SVG downloads?

PNG is a raster image format best for digital use (websites, emails, presentations, social media). It has a fixed resolution and compresses well. SVG is a vector format that can scale to any size without losing quality, making it perfect for professional printing on business cards, posters, banners, and packaging. Use PNG for most web applications and SVG when you need the code printed at various sizes or want the highest quality.

How does bulk QR code generation work?

Switch to the 'Bulk Generate' tab, then either upload a CSV file or paste a list of URLs or data with one entry per line. Apply your desired styling (colors, logo, size, error correction) which will be applied to all codes. Click 'Generate All QR Codes' and the system creates individual QR codes for each entry. Download everything as a convenient ZIP file containing numbered PNG images (qrcode_1.png, qrcode_2.png, etc.). Perfect for creating hundreds or thousands of codes for products, tickets, or campaigns.

What are error correction levels and which should I use?

Error correction allows QR codes to remain readable even when partially damaged or obscured. Four levels are available: Low (7% recovery, simplest codes), Medium (15%, recommended for most uses), Quartile (25%, good balance), and High (30%, best for logos and harsh conditions). Higher correction adds redundancy but makes codes more complex. Use Medium for general purposes and High when adding logos or if codes might get damaged.

Can I create WiFi QR codes for easy network sharing?

Yes! Select 'WiFi Network' as the QR code type, then enter your network name (SSID), password, and select the encryption type (WPA/WPA2 for most modern networks, WEP for older systems, or 'No Password' for open networks). When someone scans this QR code, their smartphone will automatically prompt to connect to the WiFi network without manually typing the password. Perfect for guests, offices, cafes, and events.

Do QR codes expire or stop working over time?

No. QR codes generated with our tool are static, meaning all data is encoded directly into the visual pattern itself. They don't rely on any external service or database to function. Once created, your QR codes work forever and never expire, even if our website goes offline. The only exception is URL-type codes - if the destination website becomes unavailable, the code still scans successfully but the webpage won't load.

What's the minimum size for printing QR codes?

The minimum recommended print size is 2cm x 2cm (about 0.8 x 0.8 inches) for reliable scanning from normal handheld distance. For codes with logos or complex data, go larger - 3-4cm minimum. Business cards can use 2-3cm codes since they're viewed up close. Posters and outdoor displays should use much larger codes (10cm+) as they're scanned from farther away. Always use SVG format for printing to ensure sharp, crisp edges. Test scan printed samples before mass production.

Is my data safe and private when using this tool?

Yes, completely. All QR code generation happens entirely within your web browser using client-side JavaScript. Your data never leaves your computer or gets transmitted to any server. We cannot see, access, store, or track what you encode in QR codes. History is saved locally on your device only using browser localStorage. You can clear it anytime. This architecture ensures complete privacy for sensitive business information, personal data, or confidential content.

Can I use these QR codes for commercial purposes?

Yes, absolutely. QR codes you create with our tool are yours to use however you wish, including commercial applications. Use them on products, marketing materials, business cards, advertisements, packaging, or any commercial purpose without restrictions or attribution requirements. You own the codes you generate. There are no licensing fees, usage restrictions, or legal obligations.

What if a QR code isn't scanning properly?

Several factors can affect scanning: (1) Insufficient color contrast - ensure dark code on light background, (2) Logo too large - reduce logo size or increase error correction, (3) Code too small - print larger, especially for distant scanning, (4) Poor print quality - ensure sharp edges, no blurring, (5) Reflective surface - avoid glossy materials that create glare, (6) Damaged or obscured - higher error correction helps but has limits. Test with multiple devices and apps. If issues persist, regenerate with high error correction and simpler design.

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Last updated: February 2026 | Regularly maintained with latest features