How to Create a QR Code for Free — Complete Guide 2026

What Is a QR Code?

A QR code (Quick Response code) is a two-dimensional barcode that smartphones and barcode scanners can read instantly. QR codes became mainstream with smartphone adoption and exploded in use during the 2020s as touchless alternatives to menus, business cards, and payment terminals.

What Can You Encode in a QR Code?

Website URL — the most common use. Anyone scanning is taken directly to a webpage.
WiFi credentials — guests can join your network without typing a password.
Contact card (vCard) — name, phone, email, and address, ready to save to contacts.
Plain text — any text message up to about 3,000 characters.
Email address, phone number, SMS — various communication actions.

How to Generate a QR Code for Free

Using our QR Code Generator: select the type of content, enter the content you want to encode, customize the colors if desired, then click Generate and download the QR code as a PNG.

💡 Tip: Always test your QR code by scanning it before printing or publishing. A QR code that leads to a broken link defeats its purpose.

How Big Should a QR Code Be?

The minimum printed size for reliable scanning is about 2 × 2 cm (0.8 × 0.8 inches). For posters or outdoor signage scanned from a distance, use at least 10 × 10 cm. The scanning distance is roughly 10× the QR code's printed size.

Dynamic vs Static QR Codes

QR codes generated with tools like ours are static — the content is encoded directly into the pattern and cannot be changed after creation. Static QR codes are free, work forever, and require no ongoing service, making them ideal for most personal and small business uses.