WiFi Password Generator
Generate secure WiFi passwords — includes QR code for instant device connection
📖 How to Use the WiFi QR Code
- Generate a strong WiFi password above
- Enter your WiFi network name (SSID)
- Click "Generate WiFi QR Code"
- Download or display the QR code
- Guests point their phone camera at the code
- They tap the notification and connect instantly — no password typing!
8–63 characters · All printable ASCII characters allowed · Longer is always better · Avoid dictionary words · Change default router passwords immediately
How to Create a Strong WiFi Password in 2025
Your WiFi password is the first line of defense for your home or office network. A weak WiFi password allows neighbors, attackers, and snoopers to join your network, intercept traffic, and abuse your internet connection. PassKit.in generates cryptographically random WiFi passwords using crypto.getRandomValues() and instantly creates a QR code so guests can connect without ever seeing or typing the password.
What Makes a WiFi Password Strong?
WPA2 and WPA3 — the two most common WiFi security protocols — support passwords between 8 and 63 characters. The strength of your WiFi password comes from entropy: the number of unpredictable bits. Here is how length affects security:
- 8 characters (all types): ~52 bits entropy — crackable offline in hours with GPU hardware
- 12 characters (all types): ~78 bits entropy — safe from most attackers today
- 16 characters (all types): ~104 bits entropy — requires hundreds of years with current hardware
- 20 characters (all types): ~130 bits entropy — effectively uncrackable for any foreseeable future
PassKit.in defaults to 20-character WiFi passwords with all character types enabled, giving you over 130 bits of entropy — far beyond what any attacker can break.
WPA2 vs WPA3: Which Should You Use?
WPA3 is the current gold standard. It uses Simultaneous Authentication of Equals (SAE) instead of the older PSK handshake, which eliminates offline dictionary attacks even if someone captures your handshake. If your router supports WPA3, use it.
WPA2 remains secure with a strong password (16+ characters, all character types). Most routers and devices support WPA2. Avoid WEP entirely — it was broken in 2001 and can be cracked in minutes.
What Is a WiFi QR Code?
A WiFi QR code encodes your network credentials in this standard format: WIFI:T:WPA;S:YourNetworkName;P:YourPassword;;
When a phone camera scans this QR code, it automatically offers to join the network — no typing required. This is the standard format supported by iOS (since iOS 11) and Android (since Android 10). PassKit.in generates this QR code entirely in your browser — your WiFi password never leaves your device.
Change Your Router's Default Password
Most routers ship with a default admin password printed on a sticker. These defaults are publicly documented — attackers can look them up instantly. Change your router admin password (separate from your WiFi password) immediately when you set up a new router. Use PassKit.in to generate a strong, unique password for both.
Frequently Asked Questions
Is it safe to generate a WiFi password in a browser?
Yes. PassKit.in uses crypto.getRandomValues() — the browser's built-in cryptographic random number generator. Your WiFi password is generated locally and never sent to any server. The QR code is also generated locally in your browser using a JavaScript library — no data leaves your device.
What should my WiFi password be?
Your WiFi password should be at least 16 characters long and include uppercase letters, lowercase letters, numbers, and symbols. It should be completely random — not based on your address, pet's name, or any personal information. Use PassKit.in to generate one instantly.
How do I share WiFi with guests without giving them my password?
Generate a WiFi QR code using PassKit.in. Enter your network name (SSID) and password, then download the QR code image. Print it out and post it near your router. Guests scan it with their phone camera and connect automatically — they never see or need to type the actual password.
How often should I change my WiFi password?
Change your WiFi password whenever you believe it may have been compromised, when a guest (such as a contractor) who had access leaves, or if you see unknown devices on your network. For maximum security, change it every 6–12 months. Use PassKit.in to generate a new strong password and update your QR code.