Free Tools
Real, working tools — built in-browser wherever possible so nothing you type ever leaves your machine.
Password Strength Checker
Entropy-based strength scoring and estimated crack time.
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Hash Generator & Identifier
MD5, SHA-1, SHA-256, SHA-384, SHA-512 — computed in your browser.
Base64 / URL / Hex Encoder-Decoder
Quick encode/decode utility for common formats.
JWT Decoder
Decode JWT headers and payloads — decode-only, not a verifier.
Phishing URL Heuristic Checker
Structural red flags in a URL — not a live threat feed.
Password Exposure Check
Privacy-safe breach check via HIBP's k-anonymity API.
Security Header Analyzer
Grades a site's CSP, HSTS, and other security headers.