Security & Privacy Tools
Client-side security and privacy utilities. Analyze HAR traces, decode certificates, debug JWTs, and redact sensitive PII without uploading anything to a server.
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SSH Key Generator
Generate RSA and ECDSA SSH key pairs securely, entirely in your browser.
HAR File Viewer & Sanitizer
Analyze HTTP Archive (.har) logs with waterfall charts and sanitize auth tokens/cookies.
SSL Certificate Decoder & CSR Generator
Decode X.509 PEM certificates and generate CSRs with private keys in your browser.
JWT Debugger & Secret Verifier
Decode JSON Web Tokens and verify HMAC signatures offline without sharing secrets.
PII Data Redactor & Anonymizer
Detect and mask emails, credit cards, IP addresses, and SSNs in text or logs.
Content Security Policy Header Builder
Generate strict Content-Security-Policy HTTP headers and meta tags interactively.
Bcrypt Hash Generator & Verifier
Generate bcrypt password hashes and verify raw passwords against existing hashes locally.
More coming soon
We are building new browser-based tools every week.