About QR Code Generator
This tool generates QR codes from any text or URL instantly. Customize the foreground and background colors, adjust the output size (128-512px), and download the result as a PNG image or copy it directly to your clipboard. QR codes use error correction level M, allowing up to 15% of the code to be damaged while still being readable. All generation happens locally in your browser using the qrcode library — no data is sent to any server. QR codes are widely used for sharing URLs, Wi-Fi credentials, contact information, payment links, and more. Simply enter your content, customize the appearance, and click Generate.
What Can a QR Code Contain?
A QR (Quick Response) code is a two-dimensional barcode that can store a wide variety of data types. When scanned with a phone camera or QR reader, it instantly delivers that data to the user without any typing. QR codes can store URLs, plain text, email addresses, phone numbers, Wi-Fi credentials, contact cards (vCards), calendar events, and more.
The most common use case is encoding a website URL so people can visit it instantly by scanning — no need to type a long address. But QR codes are equally useful for sharing Wi-Fi passwords, directing customers to a payment page, or linking to a PDF menu.
How to Create a QR Code
- Type or paste your URL, text, email, or any other content into the input field.
- Adjust the size and colors if needed to match your brand or design.
- The QR code generates instantly as you type — no need to click a button.
- Click Download to save it as a PNG image ready for print or digital use.
All QR codes generated here work with any standard QR code scanner, including the built-in camera apps on iPhone and Android — no special app required for the end user.
QR Code Error Correction — Why It Matters
QR codes use error correction technology that allows them to be scanned even when partially damaged or obscured. There are four error correction levels: L (7%), M (15%), Q (25%), and H (30%). Higher levels mean more of the code can be damaged and still scan correctly, but they also make the code visually denser and more complex.
For printed materials that might get scratched or dirty — stickers, packaging, or outdoor signs — use a higher error correction level. For clean digital displays, the default level is fine.
Best Practices for QR Codes That Actually Get Scanned
- Size matters: Print QR codes at a minimum of 2 cm × 2 cm for reliable scanning.
- Contrast is critical: Dark code on a light background always works best.
- Test before printing: Always scan your QR code on multiple devices before printing in bulk.
- Keep URLs short: Shorter URLs create simpler, less dense QR codes that scan faster.
- Add a call to action: Text like "Scan to visit our menu" increases scan rates significantly.
Knowledge Base
The QR Code Generator creates customizable QR codes from any text, URL, or data. It supports color customization, size options, and provides downloadable QR code images for print and digital use.
- 1Enter the text or URL you want to encode.
- 2Customize colors and size if desired.
- 3Click 'Generate' and download your QR code image.
QR codes are generated entirely in your browser using a client-side library — no data is sent to any server. This ensures the content you encode remains private, and generation is instant with zero network latency.
How much data can a QR code hold?
A standard QR code can hold up to 4,296 alphanumeric characters or 7,089 numeric characters. For URLs and short text, QR codes work perfectly.
Can I customize the color of my QR code?
Yes. You can customize both the foreground and background colors. However, ensure sufficient contrast for reliable scanning — dark foreground on light background works best.