Security Tools
Password checkers, header generators, and security configuration tools.
Password Strength Checker
Check password strength with entropy calculation and estimated crack time.
Robots.txt Generator
Build a robots.txt file with allow/disallow rules for search engine crawlers.
CORS Header Generator
Generate the correct Access-Control headers for your API with a visual builder.
CSP Header Builder
Build a Content-Security-Policy header by toggling sources for each directive.
.htaccess Generator
Generate .htaccess rules for redirects, caching, security headers, and more.
AES Text Encryptor
Encrypt and decrypt text using AES-256-GCM directly in your browser with SubtleCrypto.
File Hash Calculator
Calculate MD5, SHA-1, SHA-256, and SHA-512 hashes of any file β processed locally.
TOTP Code Generator
Generate time-based one-time passwords (TOTP) compatible with Google Authenticator.
Random Key Generator
Generate cryptographically secure API keys, secrets, and tokens with custom length and charset.
Regex ReDoS Detector
Analyze regular expressions for catastrophic backtracking (ReDoS) vulnerabilities.