How to create a QR code for a public survey

A QR code can make a public survey easier to open at an event, on a poster, or in a handout. But the code only sends people to a link. If the survey requires a sign-in, uses an editing link, or is no longer available, scanning the code will not fix that.

First make sure you have a link respondents can use, then turn it into a QR code and scan it yourself. The QR Code Generator creates a code from a link and lets you customize its colors and add a logo.

Create and test the survey QR code

1. Publish or share the survey and copy its respondent link. Choose the link meant for people filling out the survey, not an editing or administration link. If the survey has access settings, allow the intended audience to respond.
2. Check the link in a browser where you are signed out of the survey service. If it opens a sign-in page or an editor, find the public respondent link or adjust the access settings before making the code.
3. Open the QR Code Generator, choose the link option, and enter the full survey URL. Check that the address has not been cut off and that it points to the right survey.
4. Keep the design simple. You can choose colors or add a logo, but use a dark code on a light background and leave clear space around its edges. If the URL is long and the pattern looks crowded, use the plain design without a logo.
5. Save or export the generated code, then scan it with a phone camera. Confirm that it opens the public survey and that you can reach the first question without signing in. Test the printed version at its intended size before making copies.

Choose the right code and design

Use the respondent link, not the editing link

A survey service may offer separate links for filling out a form, editing it, or managing responses. Only the respondent link belongs in a public QR code. An editing link can expose controls meant for the survey owner, while a restricted link may stop visitors at a sign-in screen. Test the address while signed out before sharing it widely.

Keep the code easy to scan

Strong contrast helps a phone camera distinguish the code from its background. Avoid pale colors, busy patterns behind the code, and a logo that covers too much of its center. A logo is optional, not necessary for recognition. If a phone struggles to scan a decorated version, make a plain one and test that instead.

Know what happens if the survey link changes

A standard QR code stores the address you enter. If you later close the survey or replace its URL, the printed code still points to the old address. You will need to make and distribute a new code unless you use a separate redirect service that lets you change the destination. For more on the difference, see static vs. dynamic QR codes.

Choose a useful size for where it will appear

A code on a screen can be smaller than one people need to scan from a poster across a room. The farther away people will stand, the larger the printed code should be. Keep it flat, sharp, and unobstructed, and do not crop off the white border around it. Always test a sample from the distance people will use it.

Fix a QR code that does not work

1. Check the destination first. Scan the code and read the address it opens. Compare it with the respondent link you copied. If it is the wrong address, create a fresh code using the correct full URL.
2. Remove the sign-in requirement. If visitors see a login page, review the survey's sharing or response-access settings. Set access for the audience you intend to reach, then test the link while signed out. Menu names vary by survey service.
3. Make the design plainer. Use a dark foreground and a light background, remove the logo, and avoid low-contrast colors. Generate the code again and test it before replacing printed copies.
4. Make the printed code larger. If the camera only scans when the phone is very close, print a larger version. Use a clean, high-quality export instead of enlarging a small screenshot, which can make its edges blurry.
5. Check the survey is still accepting responses. A QR code can scan correctly even if the survey is closed, expired, or no longer available. Reopen the survey if appropriate, or create a new code for its current respondent link.

What a survey QR code does and does not contain

The code contains the link, not the survey answers. It does not make a private survey public, collect responses by itself, or confirm that a visitor can access the form. Those actions depend on the survey service and its sharing settings.

Anyone who can scan the code can open the address it contains. Avoid putting private or account-only links in a code displayed in public, and check that the survey itself does not ask for information you do not need. If the code will be printed, scan the final copy once more before distributing it.