passcheck.io

PassCheck Pro

Password strength, entropy, breach, and crack-time checking

  • Privacy-first
Open PassCheck Pro

What it does

PassCheck Pro is a client-side password strength checker for users who want to know how secure a password is before using it. It includes entropy calculations, crack-time estimates, breach checking, and side-by-side password comparison, all in the browser.

Features

  • Entropy calculations
  • Crack-time estimation
  • Breach checking
  • Password comparison
  • Runs entirely in browser

Best for

People evaluating password security.

Shelved under

PassCheck Pro is an independent website. Tools Lib lists it; features and pricing are set by its makers and can change.