Family Sharing
How to Share Your Wi-Fi Password With Guests Safely
How to share your Wi-Fi password with guests safely. Add a guest network, share it by QR code, and know when to change it after sitters or tenants leave.
Last updated October 4, 2026 · 7 min readThe safest way to share your Wi-Fi password with guests is to put them on a separate guest network with its own password. Then share it with a QR code or your phone's built-in sharing instead of reading it aloud. Keep your main network private, store your Wi-Fi and router details in one safe place, and change the guest password after long stays.
You don't need any tech skills. If you can find the label on your router (the box that makes your Wi-Fi), you can do this.
Why your main Wi-Fi password shouldn't be on the fridge
Your main Wi-Fi password protects everything on your home network: laptops, phones, printers, cameras, smart TVs, and baby monitors. Anyone who joins can often see those devices, and some smart gadgets aren't well protected on their own.
Taped to the fridge, that password is visible to every visitor, sitter, and contractor who passes through. Most of them are trustworthy, but passwords get passed along. A babysitter might text it to a friend, or a contractor might leave it saved on a work tablet.
A password that has been shared widely is also hard to take back. Changing it means reconnecting every device in the house, including the smart plug you forgot you owned. A separate guest network solves both problems.
Set up a guest Wi-Fi network on your router
A guest network is a second Wi-Fi network with its own name and password. It's the simplest way to share Wi-Fi with visitors because they get internet access but are kept apart from your own devices. Most home routers from recent years offer one, including many supplied by internet providers.
Screens differ by brand, but the steps are similar:
- Find your router's login details. They're usually on a label on the router or in an app from your internet provider or router maker.
- Sign in to the router's settings page or app.
- Look for Guest Network or Guest Wi-Fi. It's sometimes tucked under Wi-Fi or Wireless settings.
- Turn it on and give it a clearly different name, such as "Bluebird Guest." Leave out your surname and address.
- Pick the strongest security setting. WPA3 is the newest. A WPA2/WPA3 mixed option helps older devices connect, and WPA2 is fine if that's all you have. Avoid "Open," "None," and the outdated WEP.
- Set a password that's strong but easy to type. Our guide to guest-friendly Wi-Fi password ideas has examples.
- Make sure any setting like "Allow guests to access my local network" is off. If you see client isolation or AP isolation, turn it on so guest devices can't see each other either.
- Save, then join the guest network from your own phone to test it.
While you're in the settings, check that the router's admin password (the one that opens these settings) isn't the factory default. Turn on automatic updates if your router offers them. The FTC's guide to securing your home Wi-Fi network covers a few more basics.
There is one tradeoff. Guests on a guest network usually can't use your printer or cast videos to your TV, because the network keeps them away from your devices on purpose.
How to share your Wi-Fi password with guests without reading it aloud
Reading a password aloud leads to typos, and anyone nearby can hear it. These options are easier.
Wi-Fi QR codes for phones and tablets
A QR code is a square barcode that a phone camera can read. A Wi-Fi QR code holds the network name and password, so guests point their camera at it, tap the pop-up, and they're online. Most iPhones and Android phones don't need an extra app for this.
Many router apps can show or print a code for the guest network. Android phones can make one from Wi-Fi settings, and on recent iPhones the Passwords app can show one for a saved network.
Print it and put it by the door, in the guest room, or in a welcome folder, with the password written underneath for laptop users. It only opens the guest network, so this is the one Wi-Fi password that's fine to put on the fridge.
Keep two things in mind. Anyone who scans or photographs the code can join, and some scanner apps show the password, so the code isn't a secret. Also skip free QR code websites, because they have you type your Wi-Fi password into someone else's site.
Built-in Wi-Fi sharing on iPhone and Android
Menus vary by phone and software version.
- iPhone: when a nearby Apple device tries to join the network your iPhone is on, a pop-up offers to share the password. Both devices need Wi-Fi and Bluetooth turned on, and your iPhone must be unlocked. You usually also need to be saved in each other's Contacts. This only works between Apple devices.
- Android: in Wi-Fi settings, tap the network and choose Share or QR code. You may need to confirm with your fingerprint, face, or screen lock. A QR code then appears, and iPhones can scan it too.
The iPhone pop-up has one catch. It shares the network your iPhone is on, which is usually your main one. That's fine for family members who belong there, but for guests (or when the pop-up won't appear), use the guest network's QR code.
A secure link for guests who haven't arrived yet
Sometimes the guest isn't there yet, like a house sitter starting next week or a relative flying in tomorrow.
Texting the password for a guest network you'll change after the stay is a small risk. Your main password or a door code needs more care, because texts can stay in your message history for years. Our guide on how to send a password securely covers better habits.
If you have Pinzen+ (the paid plan), you can send a secure link instead. The link's contents are encrypted in your browser, and the key is in a part of the link that's never sent to the server. Links can expire or be revoked, so an old message won't keep working forever.
Keep your router and Wi-Fi details where you can find them
In many homes, the Wi-Fi password is on a sticker, the router login is in a drawer, and the internet account number is in an old email. When something breaks, nobody can find any of it.
Keep these together in one protected place:
- Your main Wi-Fi name and password
- Your guest network name and password
- The router admin login (for settings, not Wi-Fi)
- Your internet provider account login and any support PIN
- The router model, where it sits, and when you last changed the guest password
Any password manager can hold this list. A free Pinzen vault stores Wi-Fi details alongside passwords, PINs, payment cards, and secure notes, and revealing a password needs a quick approval such as Face ID or your fingerprint. With Pinzen+, you can also put these details in a family vault to share with another adult at home.
For other ways to give a spouse or grown child access, see our guide on how to share passwords with family. A paper copy kept somewhere safe works too. What matters is having one trusted place instead of five half-remembered ones.
When to change your guest Wi-Fi password
Changing the guest password is much easier than changing your main one, because only guest devices need to reconnect. Your own laptops, TVs, and smart speakers aren't affected.
Experts no longer recommend changing your own passwords on a schedule. A guest Wi-Fi password is different, though, because every visitor leaves with a copy.
Change it when:
- A long-stay guest moves out, such as a tenant, a lodger, or a relative who stayed for months.
- A sitter, nanny, cleaner, or contractor stops working for you.
- It's been posted or passed around, like on a party invitation, in a group chat, or in a rental listing.
- You see devices you don't recognize in your router's app or settings.
- About a year has passed, so old guests' phones no longer have a working copy.
You don't need to change anything after a one-evening visitor. Some routers can also turn the guest network off between visits or on a timer.
Your main Wi-Fi password is a different story. Change it if someone you no longer trust has it, if a phone that had it saved was stolen, or if you think someone is on your network who shouldn't be. If you still use the password printed on the router's label, anyone who has seen your router knows it.
The same thinking applies to door codes and alarm PINs, which our guide on how often to change your door code covers. After any change, update your saved entry and print a new QR code.
Frequently asked questions
Is it safe to give guests your Wi-Fi password?
Yes, for people you'd welcome into your home, especially if they join a separate guest network instead of your main one. A guest network keeps their phones apart from your computers, cameras, and smart devices. Just remember that their online activity still goes through your internet connection, and change the guest password after longer stays.
How do I share my Wi-Fi with a QR code?
Check your router's app for a guest network QR code, use the Share or QR code option in your Android phone's Wi-Fi settings, or open the Passwords app on a recent iPhone. Print the code or show it on your screen. Your guest scans it with their camera and taps to join.
Should I set up a separate guest Wi-Fi network?
Yes, if your router supports it. A guest network keeps visitors' devices away from your computers, cameras, and smart home gear, and when a sitter or tenant leaves, you can change its password without reconnecting everything in your house. The tradeoff is that guests usually can't print or cast videos to your TV.
How often should I change my guest Wi-Fi password?
Change it when a tenant or long-stay guest moves out, when a sitter or contractor finishes, and when it's been posted publicly or passed around a group chat. Otherwise, change it about once a year. You don't need to change it after a one-night visitor, and changing it won't disconnect your own laptops, TVs, or smart speakers.
Can I share Wi-Fi without giving out the password?
Not completely. A QR code or your phone's share feature saves guests from typing the password, but it's still saved on their device, and most phones let their owner view saved Wi-Fi passwords. That's why a separate guest network matters: you can share it more freely and change it later without affecting your own devices.