QR code guides & answers

Short, clear answers to the questions people ask most about QR codes — each with a free tool to try it straight away.

What is a QR code?

A QR code is a square barcode that phones can scan to open a link, join Wi-Fi, save a contact or pay. Here is how it works and what it can store.
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How do I create a QR code?

Create a QR code in under a minute: choose the content type, enter your details, customise the design and download it as PNG, SVG or PDF — free, no signup.
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Can I generate a QR code for free?

Yes — you can create, customise and download QR codes for free. Here is what to check so a "free" code doesn't stop working later.
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Do static QR codes expire?

Static QR codes never expire — the data is inside the code. Learn when a QR code can still stop working and how to avoid it.
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What is a dynamic QR code?

A dynamic QR code holds a short link that redirects to your content, so you can change the destination and count scans without reprinting.
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Can I edit a QR code after printing it?

You can edit a dynamic QR code's destination after printing, but not a static one. Here is how to tell which kind you have and what to do.
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How do I add a logo to a QR code?

Add your logo to the centre of a QR code safely: keep it small, use high error correction and test the scan. Free, with PNG, SVG and PDF export.
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How do I create a Wi-Fi QR code?

Make a Wi-Fi QR code so guests join your network by scanning — enter the network name, password and security type, then print it. Free, password never stored.
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How do I create a QR code for a PDF?

Turn a PDF into a QR code: upload the file, get a share link and a code that opens it on any phone. Free, validated uploads, links expire after 30 days.
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How do I generate a UPI QR code?

Create a UPI payment QR code for Google Pay, PhonePe, Paytm and BHIM: enter your UPI ID, name and optional amount, then print it. Free.
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