QR code generator · Guide
QR Code Generator Online: URLs and Text
A QR code generator turns a URL or short text into a scannable image. This guide covers what fits in a QR code, how to keep it scannable, and common uses.
What goes in a QR code
A QR code encodes text — most often a URL, but also Wi-Fi credentials, contact details or any short string. The more data you encode, the denser the code becomes, so shorter content scans more reliably.
This generator builds the image client-side as a data URL, so the content never touches a server and you can download the result immediately.
Keep it scannable
Leave a quiet margin around the code, keep good contrast, and print or display it large enough for the scanning distance. Overly long URLs make dense codes that are harder to read — shorten them where you can.
Common uses
Linking to a demo, sharing a local test URL, or encoding Wi-Fi access for guests are all quick wins. Generate, scan to confirm it works, then publish.
Frequently asked questions
Is there a limit to how much text fits?
QR codes have a capacity limit, and more data means a denser, harder-to-scan code. For URLs, shorter is better; for long content, link to it rather than encoding it directly.
Ready to try it?
Open the free browser-based QR code generator and apply what you just read — no sign-up, runs locally.
Open the QR code generator tool