A QR code (Quick Response code) is a two-dimensional matrix barcode that stores information readable by any smartphone camera. It can encode URLs, text, phone numbers, email addresses, Wi-Fi credentials, and more. QR codes were invented by Denso Wave in Japan in 1994 and have become globally ubiquitous since the COVID-19 pandemic made contactless menus mainstream.

How do I create a free QR code online?

Just type or paste your URL or text into the box above. Your QR code is generated instantly — no account, no email, no payment required. Click "Download" to save it as a PNG. The entire process takes under 10 seconds.

What can I encode in a QR code?

Any text up to about 3,000 characters can be encoded. The most common uses are: website URLs (share links on print materials), plain text (messages, product info), phone numbers (tap-to-call on mobile), email addresses, Wi-Fi credentials (guests scan to join without typing a password), and vCards (digital business cards).

How do I scan a QR code?

On iPhone (iOS 11+), just open the Camera app and point it at the QR code — a notification appears with the link. On Android, most camera apps support scanning natively, or use Google Lens. For desktop, browser extensions like "QR Scanner" or right-clicking an image with Google Lens work well.

Does the QR code ever expire?

No. QR codes generated here are static — the information is encoded directly into the pattern. They never expire and do not require any server or account to keep working. If you encode a URL, the QR code will work as long as that URL is live.

What is the maximum data a QR code can hold?

QR codes can technically hold up to 7,089 numeric characters, 4,296 alphanumeric characters, or 2,953 bytes of binary data. For practical use, shorter URLs produce sparser, easier-to-scan codes. Long URLs create dense patterns that some older scanners may struggle with — use a URL shortener if your URL is very long.

What size should I download the QR code?

For digital use (websites, emails), 200–300px is sufficient. For print materials like posters or banners, choose the largest size available (500px+) for sharp, scan-reliable printing. QR codes should be at least 2cm × 2cm when printed for reliable scanning at arm's length.

Is my data private? Is it sent to a server?

Yes, completely private. QR code generation happens entirely in your browser using the qrcode.js library. Your text or URL is never sent to any server — the code is computed locally on your device.

QR Code Generator

Developer

Generate QR codes for any URL or text in seconds.

URL or Text

Image Size256×256px

128px256px384px512px

QR preview

How to use QR Code Generator

1Type or paste any URL, text, phone number, or email address into the input box.
2Your QR code is generated instantly as you type — no button press needed.
3Adjust the size using the size slider if you need a larger or smaller code.
4Click "Download QR Code" to save it as a high-quality PNG image.
5Use the QR code on print materials, presentations, business cards, or digital displays.

Frequently Asked Questions

About QR Code Generator

QR codes have transformed how businesses share information. Restaurant menus, event tickets, product packaging, business cards, and advertising billboards all use QR codes to bridge physical and digital worlds. Creating a QR code used to require paid services — today you can generate one for free in seconds with no account needed.

The most powerful use case for QR codes is URL encoding. By encoding a link into a QR code, you make any print material instantly clickable for smartphone users. A flyer becomes interactive, a product label links to a video tutorial, and a business card connects directly to your LinkedIn profile or website.

Our QR code generator creates static QR codes — the data is baked directly into the pattern, so there is no server, no redirect, and nothing that can "expire" or break in the future. Dynamic QR codes (which redirect through a tracking server) require subscriptions to keep working; static codes work forever.

For best scanning results: ensure good contrast (dark code on white background), include a quiet zone (white border) around the code, and test your QR code on multiple devices before printing at scale. Download the PNG at the highest resolution available for print use.

Learn More

QR Code — Wikipedia

History, structure, and common uses of QR codes

Barcode — Wikipedia

How barcodes work and their evolution into 2D codes

Reed–Solomon Error Correction

The algorithm that makes QR codes scannable even when partially damaged

ISO/IEC 18004 QR Standard

The international standard governing QR code specifications

Password Generator

Generate strong, secure passwords with custom settings.

Developer

URL Encoder / Decoder

Encode and decode URL strings and query parameters.

Developer

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly online.

Developer

QR Code Generator

How to use QR Code Generator

Frequently Asked Questions

About QR Code Generator

Learn More

You might also like