Security & Privacy Tools

Utilities for everyday security hygiene — checking password strength, generating hashes and HMACs, building and auditing Content-Security-Policy headers, and scrubbing secrets out of text before you share it. Everything runs locally in your browser.

Popular security tools

Password Strength Checker

Check a password's strength and estimated crack time.

CSP Generator

Build a Content-Security-Policy header from directives.

Secret Redactor

Scrub API keys, tokens and secrets out of text before sharing it.

All security tools

Password Strength Checker

Check a password's strength and estimated crack time.

HMAC Generator

Generate an HMAC signature for a message with a secret key.

CSP Generator

Build a Content-Security-Policy header from directives.

CSP Analyzer

Parse a CSP header and flag common weaknesses.

Secret Redactor

Scrub API keys, tokens and secrets out of text before sharing it.

Coming soon

SSL Certificate Checker — Check a domain's SSL certificate details and expiry.
Security Headers Checker — Check a live site's security-related HTTP headers.

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