Security Tools

Browse security-focused tools for hashes, passwords, tokens, JWTs, UUIDs, and certificate parsing.

This hub links 18 focused pages in the security tools category. Each tool page is designed around one transformation, validator, generator, or parser so both users and search engines can understand its purpose quickly.

Analyze Password Strength

Analyze password strength, entropy, and character diversity locally in your browser. No data sent to a server.

Check Entropy and Strength

Calculate password bit entropy and strength score based on character set and length. Browser-based tool.

Decode JWT

Decode and inspect JWT tokens to view header and payload claims. Browser-based JWT decoder, no data sent to a server.

Decode SSL Certificate

Decode and inspect PEM-encoded SSL/TLS certificates in your browser. View subject, issuer, and validity dates.

Generate API Key

Generate cryptographically random API keys in your browser using the Web Crypto API.

Generate bcrypt

Generate bcrypt password hashes with configurable cost factor. Browser-based bcrypt tool using bcryptjs.

Generate HMAC

Generate HMAC signatures using SHA-256, SHA-512, and more. Browser-based HMAC tool using the Web Crypto API.

Generate JWT

Generate signed JSON Web Tokens (JWT) with custom headers, payloads, and secrets. Browser-based JWT generator.

Generate MD5

Generate MD5 hashes in your browser using CryptoJS. Fast, client-side MD5 hash generator.

Generate Password

Generate strong, random passwords with custom length and character sets. Browser-based password generator.

Generate Random GUID List

Generate bulk GUID lists in your browser. Free, cryptographically random GUID generator.

Generate Token

Generate cryptographically random tokens of any length. Browser-based token generator using the Web Crypto API.

Generate UUID List

Generate a bulk list of UUID v4 values in your browser. Fast UUID list generator, no server required.

Generate UUIDs

Generate cryptographically random UUID v4 values in your browser. No server, no signup required.

Hash Compare

Compare two hash strings for equality using constant-time comparison in your browser.

Hash Generator

Generate SHA-1, SHA-256, SHA-384, SHA-512, and MD5 hashes for any input string. Browser-based hash generator using the Web Crypto API.

Parse PEM

Parse PEM-encoded certificates, keys, and CSRs to inspect their structure. Browser-based PEM parser.

Verify JWT Signature

Verify a JWT