RapidCheck

Password Strength Checker

Check how strong your password is — right in your browser.

Last updated: 12 Aug 2026

Quick answer

Type a password and this tool rates its strength from Weak to Strong based on length and the mix of lowercase, uppercase, numbers and symbols. It runs entirely in your browser and never sends or stores your password.

—

    Checked in your browser — nothing is sent or stored.

    Check how strong your password is based on length and character variety. It runs locally — your password is never sent anywhere.

    How to check password strength

    1. 1 Type a password in the box.
    2. 2 We score it on length and the mix of character types.
    3. 3 You see a strength rating and tips to improve it.

    Frequently asked questions

    What makes a strong password?
    Length above all — 12+ characters — plus a mix of uppercase, lowercase, numbers and symbols, and no dictionary words.
    Is my password sent anywhere?
    No — the check runs entirely in your browser and nothing is transmitted or stored.
    Should I reuse passwords?
    No — use a unique password per site and consider a password manager.

    Related checkers

    Random Number Generator UUID Generator Word Counter