Modern Wi-Fi passwords are long and deliberately hard to guess, which is great for security and terrible for the moment a guest asks for it and you have to read out a string like "Kb7#mQ2!vLpX9z" one character at a time.
Common Ways to Share It (And Their Downsides)
Reading it aloud
Slow, error-prone, and mildly awkward for both people involved — especially with mixed-case letters and symbols that sound identical out loud.
A printed card near the router
Works well for a home you control, but is a static, low-effort solution that does not help when you are not physically near the router — at a friend's place, an office, or a rental.
QR code Wi-Fi sharing
Many phones can generate a scannable Wi-Fi QR code. This is genuinely excellent when the guest is standing there with a phone camera ready — one of the cases where QR codes clearly beat typing.
A short text code
For remote sharing — texting a password to someone before they arrive, or sending it from your phone to your own laptop when setting up a new device — a short code avoids both the read-aloud problem and the need for a camera. Paste the password, send a 5-character code, and the recipient types it in and copies the real password out, exactly as typed, no misheard characters.
One advantage worth noting for sensitive info like Wi-Fi passwords: the content auto-deletes after it is read once, so the password is not left sitting in a chat log indefinitely.
Which to Use When
- Guest physically present with a phone: QR code, fastest and effortless
- Sharing remotely, before someone arrives: a short text code or a messaging app
- Setting up your own new device: a short code, since you likely do not have the QR image handy on the new device yet