How to make a QR code
- Pick what the code should do: Link is already selected; Wi-Fi, Contact, Email, Phone, SMS, Location, Event and Text are one tap away.
- Fill in the details. The preview updates as you type and shows how big the code is.
- Open Style and size to change colours, rounded dots, error correction or the border, if you like.
- Press Download PNG, SVG, Copy image or Share. Recent codes are listed under the preview on this device.
Good uses
- A menu, booking page or review page on a table card
- Your Wi-Fi on the fridge or at reception
- A business card or name badge that saves your contact
- Event posters that add the date to people's calendars
- Product labels and packaging that link to instructions
Which type to choose
| Type | When scanned |
|---|---|
| Link | Opens the web address |
| Wi-Fi | Offers to join the network |
| Contact | Offers to save a contact card |
| Opens a new email, ready to send | |
| Phone / SMS | Offers to call, or opens a text message |
| Location | Opens the place in a maps app |
| Event | Offers to add the event to the calendar |
| Text | Shows the text |
Static codes: no expiry, no tracking
Codes made here are static: your link or text is written into the code itself, not kept on a server. So the code never expires, works without an account or subscription, and nobody, Yuzool included, sees who scans it or when.
The trade-off is that a static code can't be edited after it's printed: make a new one instead. Dynamic codes from other services point to a short link they control, so they can count scans and change the destination, but they stop working if the service or your subscription ends.
Printing, size and error correction
- Size: at least 2 cm (about 0.8 in) square for anything held in the hand. For posters and windows, make it about a tenth of the scanning distance: 20 cm across to scan from 2 m away.
- Contrast and border: a dark code on a light background, with the plain border (the quiet zone) kept clear of text and pictures. The app warns you about low contrast and light-on-dark codes.
- Error correction (in Style and size) lets a code still scan when part of it is dirty, scratched or covered: Low recovers about 7%, Medium 15% (the default), Quartile 25% and High 30%. Higher levels make the code denser, so keep Low or Medium for small prints with a lot in them, and choose Quartile or High for stickers, outdoor signs and things that get handled.
- File: SVG stays sharp at any size, so use it for print. PNG (up to 2048 pixels) suits screens, documents and slides.
- Test with two different phones before you print a batch.
Questions
Do these QR codes expire?
No. They are static codes: what you type is stored inside the code itself, so there is no service in between that can be switched off.
Can I use the QR codes commercially?
Yes. Print and use them anywhere, on anything, with no attribution and no limit on how many you make.
Can I change where a QR code points after printing?
Not with a static code. Make a new one, or point the code at a page you control and change that page instead.