Question 1

What is QrLens?

Accepted Answer

QrLens is a free, privacy-first QR code generator and scanner that works directly in your web browser. You can create, scan, and manage QR codes without installing any app.

Question 2

Do I need to create an account?

Accepted Answer

No. You can use QrLens to generate and scan QR codes without creating an account. An account is only needed for Pro features and cloud sync.

Question 3

Is QrLens free?

Accepted Answer

Yes! QrLens offers a generous free plan that includes QR code generation, scanning, history, and favorites. Pro features like custom logos, SVG/PDF export, and advanced styling are available with an affordable subscription.

Question 4

Does QrLens work offline?

Accepted Answer

QrLens is a Progressive Web App (PWA) that you can install on your device. Once installed, basic features like viewing your history and favorites work offline.

Question 5

What languages does QrLens support?

Accepted Answer

QrLens is available in 44 languages including English, German, French, Spanish, Turkish, Arabic, Chinese, Japanese, and many more. We also support right-to-left (RTL) languages.

Question 6

What types of QR codes can I create?

Accepted Answer

QrLens supports 15+ QR code types including URL, plain text, Wi-Fi, vCard (contact), email, phone number, SMS, GPS location, calendar event, and more.

Question 7

Can I customize the look of my QR codes?

Accepted Answer

Yes! You can change colors, corner styles, and error correction levels. Pro users can also add custom logos, use templates, and export in SVG and PDF formats.

Question 8

How does the QR code scanner work?

Accepted Answer

QrLens uses your device camera to scan QR codes in real-time. Simply point your camera at a QR code and the result will appear instantly. The scanner works with all standard QR code types.

Question 9

What export formats are available?

Accepted Answer

Free users can export QR codes as PNG images. Pro users can additionally export as SVG (vector) and PDF formats, perfect for printing and professional use.

Question 10

Is my scan history saved?

Accepted Answer

Yes, your scan history is automatically saved in your browser's localStorage. This means it stays on your device and is never sent to our servers. You can clear it at any time from Settings.

Question 11

How much does QrLens Pro cost?

Accepted Answer

QrLens Pro is available for $2.99/month or $14.99/year (save 58%). Both plans include all Pro features with no limitations.

Question 12

Can I cancel my subscription anytime?

Accepted Answer

Yes, you can cancel your subscription at any time from the Settings page. You will continue to have access to Pro features until the end of your current billing period.

Question 13

What payment methods do you accept?

Accepted Answer

We accept all major credit and debit cards (Visa, Mastercard, American Express) through our secure payment processor, Stripe.

Question 14

Is there a free trial?

Accepted Answer

We do not offer a free trial, but the free plan is fully functional for most users. You can try all basic features before deciding to upgrade.

Question 15

Do you offer refunds?

Accepted Answer

We handle refund requests on a case-by-case basis. If you are not satisfied, contact us within 14 days of purchase and we will work with you to find a solution.

Question 16

What is included in the free plan?

Accepted Answer

The free plan includes unlimited QR code scanning, generation for all 15+ types, scan history, favorites, PNG export, and basic styling options.

Question 17

Which browsers are supported?

Accepted Answer

QrLens works on all modern browsers including Chrome, Firefox, Safari, and Edge. For the best experience, we recommend using the latest version of your browser.

Question 18

Does QrLens collect my data?

Accepted Answer

QrLens is designed with privacy in mind. Your QR codes, scan results, and history are stored locally on your device. We only collect anonymous usage analytics (via Google Analytics) to improve the service.

Question 19

Can I use QrLens on mobile?

Accepted Answer

Absolutely! QrLens is fully responsive and works great on mobile devices. You can also install it as a PWA for a native app-like experience.

Question 20

What is the maximum data a QR code can hold?

Accepted Answer

Standard QR codes can hold up to approximately 4,296 alphanumeric characters or 2,953 bytes of data. For best scanning reliability, we recommend keeping content under 500 characters.

Question 21

What error correction level should I use?

Accepted Answer

We default to Medium (M) which recovers up to 15% of data if the code is damaged. Use Low (L) for maximum data capacity, or High (H) if the QR code will be printed on textured surfaces or partially covered by a logo.

Cau hoi thuong gap

What is QrLens?

Do I need to create an account?

Is QrLens free?

Does QrLens work offline?

What languages does QrLens support?