QR Code Generator

About the QR Generator

A QR (Quick Response) code is a two-dimensional barcode that stores up to a few thousand characters — URLs, WiFi credentials, UPI payment handles, contact cards — readable by any phone camera in under a second. Invented in 1994 for tracking car parts, it became universal infrastructure in India through UPI payments and COVID-era contact tracing.

This generator creates QR codes locally in your browser from whatever content you type — links, plain text, phone numbers, pre-formatted WiFi and UPI strings — with adjustable size and error-correction level. Higher error correction (H) survives 30% damage or logo overlay; lower (L) packs more data into fewer modules. Download the PNG for print or the SVG for crisp scaling on posters and packaging.

Because generation is local, sensitive payloads — payment links, private WiFi passwords, internal form URLs — never pass through a third-party service, unlike most free QR websites.

How to use the QR Generator

1. 1 Type or paste your content — a URL, text, or a formatted WiFi/UPI string.
2. 2 Choose the size and error-correction level (M is a good default; H for print with logos).
3. 3 The QR renders instantly in the preview area.
4. 4 Download as PNG (digital, messaging) or SVG (print at any size), then scan-test with a phone before publishing.

Key features

Who uses the QR Generator?

• Restaurant menus and shop catalogs that update without reprinting.
• UPI payment collection codes for shops, freelancers, and events.
• WiFi sharing cards at home, cafés, and guest offices.
• Event tickets, registration forms, and feedback surveys.
• Product packaging linking to manuals, warranty pages, or batch details.
• Business cards encoding a full vCard for one-scan saving.

Tips and best practices

• Always scan-test the final artwork on two phones before printing — a beautiful but broken QR is a costly discovery.
• For print, keep the code at least 2×2 cm with quiet-zone margin on all four sides; curved surfaces need bigger codes.
• High contrast is non-negotiable: dark modules on light background scan far more reliably than inverted or low-contrast designs.
• Use short URLs — fewer characters mean larger, easier-to-scan modules at the same print size.
• If you must style a code, keep the finder squares (the three corner boxes) intact and test at error-correction H.
• For UPI strings, verify the format pa​ta names and amount parameters with a real ₹1 test payment before mass printing.

Frequently asked questions