ShieldPass — Password Strength & Breach Checker
Offline strength meter. Optional breach lookup via k‑anonymity (no password sent).
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Score: —
Entropy: —
Check breach (Have I Been Pwned)
Offline-only mode
If breach check is enabled, the app sends only the first 5 characters of the SHA‑1 hash (k‑anonymity). Your full password never leaves your device.
Generate strong password
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Tips for a strong password
Use 12–16+ characters
Mix lower/UPPER/digits/symbols
Avoid names, dates, repeats
Prefer a passphrase of 4+ words
Unique per site (use a manager)