📱 QR Code Generator & Scanner
Create and scan QR codes right in your browser. Free, no ads blocking your flow.
Point your camera at a QR code
📋 When to Use the QR Code Generator & Scanner
The QR Code Generator & Scanner is ideal for anyone who needs quick access to a professional-grade qr code generator & scanner without installing software. Use it when you need to create on the go, when working from a locked-down computer, or when you want instant results without signups or app stores. It's perfect for students, designers, developers, marketers, and anyone who values speed and privacy. Because everything runs in your browser, your data never leaves your device — making it safe for work, school, and personal projects.
⚙️ How the QR Code Generator & Scanner Works
The QR Code Generator & Scanner runs entirely in your browser using client-side JavaScript. When you interact with the tool — entering text, adjusting settings, or clicking Generate — the browser processes your input using built-in algorithms and renders the output in real time. No data is ever sent to a server. For CDN-loaded libraries (like QR code generation), the library code downloads once to your browser and then runs locally — your data stays on your device throughout the entire process.
How to Use the QR Code Generator & Scanner
1. Choose your mode. Select "Generate" to create a QR code from text or a URL, or "Scan" to read an existing QR code using your device camera.
2. Enter your data. In Generate mode, type any text, URL, or data into the input field. The QR code updates in real time as you type. You can encode up to 2,000 characters.
3. Download or print. Click "Download PNG" to save the QR code as an image file, or "Print" to print it directly. The generated code uses error correction level M, so it remains scannable even with minor damage.
4. Scan with your camera. Switch to Scan mode, grant camera permission, and point your camera at any QR code. The decoded content appears instantly — clickable if it's a URL.
Frequently Asked Questions
Is the QR code generator free to use?
Yes, completely free. There are no usage limits, no sign-ups, and no watermarks on your generated QR codes. Download as many as you need.
Does the QR code expire?
No. Static QR codes generated with plain text or a URL never expire. They'll work as long as the data they encode remains valid. Only dynamic QR codes from paid services expire.
Is my data sent to a server when I generate or scan?
No. All QR generation and scanning happens locally in your browser. The QR library (qrcodejs) and scanner (jsQR) run entirely client-side. Your data never leaves your device.
What types of QR codes can I scan?
The scanner uses jsQR and can decode URLs, plain text, contact info, Wi-Fi credentials, and most standard QR code formats. It works best with well-lit, clearly focused codes.
How do I scan a QR code on my Android or iPhone?
On ToolStand, tap the "Scan" tab and grant camera permission — the scanner uses your device camera directly in the browser. No app download needed. On Android, Chrome will ask for camera access. On iPhone, Safari works with rear camera by default.
Can I create a QR code that links to a PDF or document?
Yes! Upload your PDF or document to any file hosting service (Google Drive, Dropbox, etc.), copy the share link, and paste it into the QR generator. The resulting QR code will open your document when scanned. You can also encode any URL directly.