Developer QR codes
Phone QR code generator
Phone number
Error correction Higher levels survive more damage and make the code denser. M is the usual choice; use H only if the code will be printed small or partly covered.
Local · always asks before dialling
What the code actually contains
tel:
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Encodes a `tel:` link. Scanning offers to call the number — the phone asks first rather than dialling immediately, on every platform.
How to make a phone qr code
1 Fill in the fields. The code updates as you type.
2 Raise the error correction if it will be printed small or might get covered.
3 Download it as PNG for the web or SVG for print — SVG stays sharp at any size.
Use the full international format with the plus sign and country code. A local number works when the person is in the same country and fails silently abroad, which is the worst kind of failure for a printed sign. Spaces and dashes inside the number are ignored by phones, so format it for human readability if the number is also printed. Because a `tel:` payload is very short, the resulting code is sparse and scans reliably even printed small or on a curved surface — which makes it a good choice for a vehicle or a shop window.
Questions
No. Every platform asks first, which is why a phone QR code is not a security risk.
Sources
ISO/IEC 18004 — QR code specificationZXing — barcode contents formatsAdvertisement
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