Your Twitter QR code lives in the X app: tap your profile icon in the top menu, then the QR code icon in the bottom right-hand corner. From that same screen you can share your code or scan someone else's. One catch X points out: if you change your username, your old QR code stops working completely.
X describes QR codes as machine-readable codes that store web addresses, and on X they exist for one job: helping people find and follow each other fast. Here's every step from X's own help page, plus the small rules that decide whether a code scans or throws an error.
Where the X QR code is (and what it does)
There's no separate QR menu to hunt for. The code sits behind your profile icon in the app, and the same screen handles four jobs:
| What you want | Where to find it in the app | Extra step |
|---|---|---|
| See your own code | Profile icon, then the QR code icon (bottom right) | None |
| Share your code | Same screen, then the share icon | Pick Save photo, Post photo or Share via |
| Scan someone's code | Same screen | Point your camera at their code |
| Scan a saved code | Same screen, swipe left | Tap the photo icon and pick the image |
When someone scans your code with X, it takes them straight to your profile so they can follow you without typing your handle. That's handy at events, on a printed flyer or on a slide at the end of a talk.
How to find your Twitter QR code
- Open the X app and tap your profile icon in the top menu.
- Tap the QR code icon in the bottom right-hand corner.
That's it. Your code appears with your profile image in the middle of it.
How to share your X QR code
- Tap your profile icon in the top menu.
- Tap the QR code icon in the bottom right-hand corner.
- Tap the share icon.
- Choose Save photo to keep it in your camera roll, Post photo to post it on X, or Share via to send it through another app.
Saving it as a photo is the most useful option if you want it on a business card or poster, because you can drop the image into any design tool. If you're building a printed card, my guide to QR codes on digital business cards walks through the layout side.
How to scan someone else's QR code
- Tap your profile icon in the top menu.
- Tap the QR code icon in the bottom right-hand corner.
- Point your camera at the other person's code.
If the code is already saved on your phone, for example as a screenshot someone sent you, you don't need to point a camera at it:
- Open the QR code screen as above.
- Swipe left.
- Tap the photo icon in the top right-hand corner.
- Pick the saved QR code from your photo library.
Why an X QR code won't scan
X's help page names the two reasons a code fails, and both catch people out:
- The link doesn't start with http:// or https://. X says only QR codes whose links begin that way can be scanned successfully. A code made by another app that stores plain text or a different link type won't open.
- The account changed its username. If you see an error on an X QR code, X says the code may no longer be valid because the account has changed its username.
Profile photo vs username: what breaks your code
This is the detail that's easy to miss, and it matters if you've printed your code anywhere:
| Change you make | What happens to your QR code |
|---|---|
| New profile image | The image on the code updates, and older codes with the old image still work |
| New username | The code changes completely and your previous code becomes invalid |
So you can refresh your profile picture as often as you like. Changing your handle is different: any old code on a flyer, a badge or a slide will stop working, and you'll need to share the new one. X's username rules also apply if you do change it: more than 4 characters, up to 15, and only letters, numbers and underscores. My step-by-step on changing your name on X covers the display name side, which doesn't affect the code.
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Ways to use your X QR code for a business
- Print it on event badges, table cards or the last slide of a talk so people can follow you on the spot.
- Add it to packaging or a thank-you card if X is where you post offers and updates.
- Save the image once and reuse it in email signatures and media kits, as long as your username stays the same.
- Keep a note of where you've printed it, so you know what to replace if you ever change your handle.
- Test the printed version with the X app before a big print run. If it opens your profile from the paper, it'll work for everyone else too.
If you're thinking of switching to a shorter or better handle first, do that before you print anything. It's far easier to change a username once and then share the new code than to chase down every old code later.
Other platforms do the same thing, so if you're printing one code you may want the set. The TikTok QR code works in a similar way.
My verdict
The X QR code is two taps away and it's the quickest way to turn someone in the same room into a follower. Use it freely, but treat your username as permanent once the code is printed: a new profile photo is harmless, a new handle quietly breaks every code you've handed out.
Frequently asked questions
Where is my QR code on Twitter?
In the X app, tap your profile icon in the top menu, then tap the QR code icon in the bottom right-hand corner. That screen shows your code and lets you share it or scan someone else's.
Can I scan a Twitter QR code from a screenshot?
Yes. Open the QR code screen, swipe left, tap the photo icon in the top right-hand corner and choose the saved code from your photo library.
Does my X QR code change if I change my profile picture?
The image on the code updates, but X says older codes showing the previous image still work. Only a username change makes your old code invalid.
Why does my X QR code say it's invalid?
X says a code may no longer be valid if the account has changed its username. Codes also only scan when their link starts with http:// or https://.
