Free QR Code Generator
Create custom, high-resolution QR codes in seconds. Instant browser preview, vector SVG export, and permanent static codes.
Enter QR Content
Enter a website address or link to create a QR code that opens it when scanned.
Live QR Preview
example.com). Enter content above to replace.
Scan to test directly with your phone camera
Appearance & Colors
Updates ImmediatelyCenter Logo (Optional)
100% In-BrowserClick or drag & drop a logo (PNG, JPG, WebP < 2MB)
QR Quality & Sizing
Style Presets
How to Create a Free QR Code in 4 Steps
Choose Type
Select from 9 supported types: Website URL / Link, Wi-Fi password, vCard contact, SMS, or Event.
Enter Details
Fill in the fields. The QR code renders instantly with zero latency directly in your browser.
Customize
Fine-tune colors, module styles, corner eyes, or embed your company logo with automatic Level H error recovery.
Download Free
Save in high-resolution PNG, JPEG, or scalable vector SVG. No sign-up, no watermark, permanent lifetime validity.
How QR Codes Actually Work
A QR (Quick Response) code is a two-dimensional matrix barcode invented by Denso Wave in 1994. It consists of black and white square modules representing binary data.
- • Finder Patterns (Eyes): The three distinctive corner squares allow camera sensors to orient and read the code from any angle.
- • Timing Patterns: Alternating rows and columns establish coordinate grids across the code surface.
- • Reed-Solomon Error Correction: Enables codes to be completely read even if up to 30% of the graphic is obscured or smudged.
Static vs. Dynamic QR Codes
Static QR Codes (CleanQR): The destination URL or data is encoded directly into the pixel pattern. They require no intermediate redirect servers, collect zero tracking telemetry, and never expire.
Dynamic QR Codes (Subscription Traps): Other websites route your scan through their server first. Once their trial expires, they break your printed materials and demand $20–$50/month to keep your links working.
Best Practices for 100% Scan Reliability
Maintain High Contrast
Always ensure dark foreground dots against a light background. Light codes on dark backdrops can fail in older camera apps.
Preserve the Quiet Zone
Keep at least 4 modules of empty border space around the QR code so camera sensors can isolate the code from background clutter.
Size for Distance
For business cards, use at least 2 × 2 cm (0.8 × 0.8 in). For posters or banners, calculate a 10:1 viewing distance ratio.
Frequently Asked Questions
Are the QR codes generated really free forever?
Yes. CleanQR encodes pure static data. The resulting image contains your content directly. Because there are no backend servers handling redirects, there are no ongoing costs, and your QR code will work as long as the printed medium survives.
Can I use the QR codes on commercial merchandise and packaging?
Yes. You may print them on restaurant menus, food packaging, business cards, flyers, and billboards without restriction or watermark.
How does Wi-Fi QR code scanning work?
When an iPhone Camera or Android Google Lens scans a Wi-Fi QR code formatted with the standard WIFI specification, the device automatically prompts "Join Network" without needing to type long passwords manually.
Does adding a logo make the QR code harder to scan?
CleanQR automatically upgrades Error Correction to Level H (High, 30% recovery) when a logo is attached and places a protective background shield around your emblem. This ensures the remaining 70% of the matrix retains all data needed for instant decoding.