Password Leak Checker
Check if your password appeared in known data breaches via HaveIBeenPwned.
Open Tool →Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
Open Tool →File Checksum Tool
Verify file integrity by computing SHA-256/MD5 checksums in your browser.
Open Tool →JWT Expiry Checker
Decode a JWT token and check its expiry, issuer, and claims.
Open Tool →Port Checker
Test if common ports are reachable on any host using browser-based probes.
Open Tool →Secure Password Generator
Generate strong random passwords locally with browser crypto.
Open Tool →CSP Builder
Build a starter Content Security Policy header for your site.
Open Tool →Security Headers Analyzer
Paste response headers and check for recommended security headers.
Open Tool →robots.txt Generator
Create crawler rules and sitemap references for robots.txt.
Open Tool →Basic Auth Header Generator
Generate an HTTP Basic Authorization header locally.
Open Tool →chmod Calculator
Build Unix file permission numbers and symbols.
Open Tool →CIDR Subnet Calculator
Calculate IPv4 network, broadcast, mask, and host count.
Open Tool →Caesar Cipher / ROT13 / Atbash
Encode and decode classic substitution ciphers including Caesar, ROT13, Atbash, and Vigenère.
Open Tool →Hash Identifier
Identify unknown hash types by length and pattern, then generate MD5/SHA hashes.
Open Tool →TOTP / 2FA Code Generator
Generate live RFC 6238 TOTP codes from a Base32 secret or otpauth:// URI.
Open Tool →🛡️ Privacy First
All tools on this page process data entirely in your browser. No files, passwords, tokens, or text are ever uploaded to any server. Your data stays with you.