Do these QR codes expire or stop working?
No — this encodes your text or URL directly with no redirect service in between. As long as the destination itself stays valid, the code keeps working indefinitely.
Generate to see the QR code here.
Generate a QR code from text, a URL, Wi-Fi network details, or a vCard contact card, with a choice of error correction level.
QR codes are generated locally in your browser. Nothing is uploaded or stored, except locally in this browser's history if you choose to keep it.
No — this encodes your text or URL directly with no redirect service in between. As long as the destination itself stays valid, the code keeps working indefinitely.
Marketing platforms route your code through their own redirect domain to track scans — the code stops working if their service does. This tool encodes your content directly, nothing to depend on later.
L (~7% recovery) keeps the code visually simpler and works fine for a clean digital display. H (~30% recovery) is the safer default for print or anywhere the code might get scuffed, wet, or have a logo overlaid on it — at the cost of a denser pattern. M is a reasonable middle ground and the default here.
Yes — dedicated presets build a WiFi payload (SSID, password, encryption type) or a vCard (name, phone, email, organization), in addition to plain text or a URL.
At least 2×2cm for reliable scanning at close range — scale up proportionally for posters or signage viewed from farther away.
No — generated entirely in your browser.