Password Generator · Practical guide

Strong WiFi Password Generator

Get a router-ready password that is hard to crack but still possible to type into a smart TV remote.

At a glance

What Makes a Strong WiFi Password?

A strong WiFi password is 16 characters or more, randomly generated, and uses a mix of letters and numbers at minimum. WPA2 and WPA3 accept passwords from 8 to 63 characters, and since WiFi attacks capture a handshake to crack offline at high speed, length is your best defense. A random 16-character password with all character types has 104.9 bits of entropy — trillions of years of offline brute-force time at 100 billion guesses per second.

Interactive tool

Password Generator

Enter your own values, then compare the result with the examples below.

Generated Password

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Entropy: - bits
Strength: -
Online Crack Time: -
Offline Crack Time: -

The Typing Problem

WiFi passwords get typed into TVs, game consoles, printers, and smart home gadgets — often with a remote control. That makes look-alike characters a real headache. Excluding ambiguous characters (i, l, 1, I, L, o, 0, O) barely dents the strength: a 16-character password drops only from 104.9 to 102.8 bits of entropy.

Suggested Settings by Use Case

Use CaseLengthCharacter SetsEntropy
Main home network16-20All four, no ambiguous102.8+ bits
Guest network12Letters + numbers71.5 bits
Smart home / IoT16Letters + numbers, no ambiguous82.7 bits

Do Not Forget the Router Itself

The WiFi password is only half the job. Your router's admin password — the one protecting its settings page — still uses the factory default on many home networks, and defaults are public knowledge. Generate a separate strong password for the router admin login as well, and keep the two different.

Frequently Asked Questions

What is the minimum WiFi password length?

WPA2 and WPA3 technically allow 8 characters, but that is crackable. Use at least 12 characters, and 16 for your main network.

Does my WiFi password need symbols?

Not necessarily. A 16-character password of just letters and numbers has about 82.7 bits of entropy — millions of years of offline cracking time — and is much easier to type on a TV.

Is WPA3 more secure than WPA2?

Yes, WPA3 resists offline dictionary attacks better, but a weak password undermines either standard. Pair WPA3 with a long random password for real security.

Should my guest network have a different password?

Yes. Give guests and smart devices their own network and password so your main credentials stay private and can be rotated without disrupting everything.