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AWE-OS

QR Code Generator

Generate custom QR codes for URLs, text, emails and more โ€” free, instant, no sign-up.

โœ“ Free ยท No sign-up ยท Works in browserLast updated: May 2026 ยท Tested on Chrome, Firefox, Edge, Safari

Use QR Code Generator

22 characters

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QR code preview appears here

How to Use QR Code Generator

  1. Type or paste your content into the text field โ€” a URL, email address, phone number, plain text, Wi-Fi network credentials, or any other data you want to encode. The QR code preview updates live as you type.

  2. Choose your output size (128 px for small embeds up to 1024 px for print-ready images) and select an error correction level โ€” M is recommended for most uses; H is best when the QR code will be printed on textured surfaces or include a logo overlay.

  3. Optionally customise the foreground and background colours using the colour pickers. Ensure strong contrast between the two colours so scanners can reliably detect the code.

  4. Click "Download QR Code (PNG)" to save a high-resolution PNG image to your device, ready for use in print, digital, presentations, or online materials.

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About QR Code Generator

QR codes have become a universal bridge between the physical and digital world โ€” on business cards, restaurant menus, event tickets, product packaging, conference badges, and payment terminals. The AWE-OS QR Code Generator creates high-quality, scannable QR codes instantly in your browser, with full control over content, size, error tolerance, and colour โ€” no account or software installation required.

Enter any content and a live preview updates in real time. URLs are the most common use case: a business owner can encode a website link, a product page, a booking form, or a Google Maps location and print the resulting QR code on physical materials. Beyond URLs, the tool supports any text format โ€” Wi-Fi credentials so guests can join a network without typing a password, email addresses with the mailto: prefix, phone numbers with tel:, and plain text messages.

Error correction is a critical setting that is often overlooked. Higher correction levels (Q and H) increase the density of the QR code but allow the scanner to reconstruct the data even if the printed code is worn, scratched, printed on a textured surface, or has a logo placed over the centre. For purely digital uses like websites and slide decks, level M provides a clean, easily scannable code. For physical print in demanding environments, level H is worth the increased complexity.

Color customisation lets you match QR codes to a brand identity. The tool generates any foreground and background colour combination โ€” the only hard requirement is sufficient contrast between the two. Dark foreground on a light background is universally reliable. All generated images are saved as PNG at the resolution you choose: 256 px is adequate for screen, while 512 px or 1024 px ensures sharpness when printed on business cards, posters, or merchandise. No data ever leaves your browser.

Honest limitation: Very long text produces dense QR codes that some older phone cameras struggle to scan โ€” keep content short.

Tips & Best Practices for QR Code Generator

  • ๐Ÿ’กAlways test-scan a QR code with at least two different phone camera apps (Google Lens, Samsung camera, and a dedicated QR scanner app) before printing on business cards, menus, or packaging.
  • ๐Ÿ’กUse High error correction level (30% damage tolerance) for any QR code that will be printed on physical materials โ€” printed QR codes can get scratched, stained, or partially obscured, and High error correction maintains scannability under adverse conditions.
  • ๐Ÿ’กFor UPI payment QR codes, test the payment link by scanning with Google Pay, PhonePe, and Paytm separately before deploying โ€” UPI deep-link format compatibility can vary slightly across payment apps.
  • ๐Ÿ’กPrint QR codes at a minimum size of 2.5 cm ร— 2.5 cm for business cards (scanning distance 10-15 cm) and at least 5 cm ร— 5 cm for restaurant menus (scanning distance 30-40 cm).
  • ๐Ÿ’กFor WhatsApp Business QR codes, use the format `https://wa.me/91XXXXXXXXXX?text=Hello` with your 10-digit phone number after the 91 country code โ€” test across Android and iOS before printing.
  • ๐Ÿ’กDownload the QR code PNG at the maximum resolution (1024ร—1024 pixels) for any QR code intended for print โ€” this provides sufficient DPI for clear printing at business card and menu sizes.

Common Mistakes to Avoid with QR Code Generator

  • โœ•Using Low error correction for printed QR codes โ€” printed codes are exposed to physical damage. Low error correction fails with even minor surface damage. Always use High (H) for anything printed on physical materials.
  • โœ•Printing a QR code too small โ€” QR codes below 2 cm ร— 2 cm are unreliable even with modern phone cameras at close range. Increase size for any material intended to be scanned from more than 10 cm away.
  • โœ•Not including a call-to-action near the QR code โ€” users are less likely to scan a QR code without context. Add text like "Scan to pay" or "Scan for menu" next to the code.
  • โœ•Creating a URL-type QR code pointing to a broken or temporary link โ€” QR codes on printed materials cannot be updated. Use a URL shortener or redirect service so you can change the destination URL without reprinting.
  • โœ•Placing a QR code on a curved or reflective surface without testing first โ€” curved bottles, shiny packaging, and holographic materials can prevent reliable QR scanning. Test on the actual material before mass printing.
  • โœ•Creating a QR code for a WiFi network using a non-standard format โ€” WiFi QR codes follow the format WIFI:T:WPA;S:NetworkName;P:Password;; โ€” using an incorrect format will cause the QR to fail on iOS or Android devices.

Frequently Asked Questions

What can I encode in a QR code?
Any text can be encoded โ€” website URLs, email addresses (use the mailto: prefix), phone numbers (tel: prefix), plain text messages, Wi-Fi credentials (in WIFI:S:NetworkName;T:WPA;P:password;; format), calendar events, and vCard contact details. The most common use is a simple https:// URL.
What is error correction and which level should I use?
Error correction lets a QR code be scanned even if part of it is damaged, obscured, or covered. L tolerates 7% damage, M tolerates 15%, Q tolerates 25%, and H tolerates 30%. Use M for most digital uses. Use H if the code will be printed on rough surfaces, worn on clothing, or have a logo placed over the centre.
What size QR code should I use?
256 px is fine for digital use โ€” websites, emails, and presentations. For print materials, choose 512 px or 1024 px to ensure the image remains sharp when scaled to business card or poster size. A blurry or pixelated QR code will fail to scan reliably.
What colours work best for QR codes?
High contrast between the foreground (dark) and background (light) is essential. Black on white works universally. Coloured QR codes are fine as long as the foreground is significantly darker than the background. Avoid light-coloured foregrounds, reversed colours, or very similar tones โ€” many scanners will fail.
Is there a character limit?
QR codes can technically hold up to around 3,000 alphanumeric characters, but practical limits are lower โ€” longer content requires a denser, harder-to-scan code. For website links, use a URL shortener if the URL is very long. For contact information, consider a short link to a digital business card instead of encoding a full vCard.
Are my QR codes stored on your servers?
No. All QR code generation runs entirely in your browser using the qrcode JavaScript library. Your input text and generated images are never transmitted to any server. Everything happens locally in memory and is discarded when you close the page.

Built & maintained by Team AWE-OS

This tool is developed in-house and manually re-tested on Chrome, Firefox, Edge, and Safari after every update, following our tool testing policy. Found a bug? Tell us โ€” fixes are usually shipped within days.

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