Question 1

Is my password sent to a server?

Accepted Answer

No — all analysis happens locally in your browser. Nothing is transmitted.

Question 2

What is entropy?

Accepted Answer

Entropy measures password randomness in bits. Higher entropy means harder to crack.

Question 3

How do I check online free?

Accepted Answer

Enter your input above and get an instant result. Free with no sign-up, works on mobile and desktop.

Question 4

What does it check?

Accepted Answer

It validates your input against standard rules instantly. Enter the value above to see the result.

Question 5

Is my data kept private?

Accepted Answer

Yes. Everything runs in your browser. Nothing you enter is uploaded or stored.

Question 6

Is this Password Strength Checker free?

Accepted Answer

Yes, completely free with no sign-up. Use it unlimited times online on any device.