# SecurityTools.hub

## About
SecurityTools.hub provides 66+ free online security and developer tools. No signup, no tracking. 100% client-side crypto where possible.

## Key Features
- SSL/TLS certificate checker
- HTTP security headers analyzer (CSP, HSTS, X-Frame-Options)
- JWT decoder, HMAC generator, hash tools
- DNS lookup, WHOIS, SPF, DKIM, DMARC
- Password generator & strength checker
- Base64, hex, URL encoder/decoder
- Security Scan: one-click audit (headers, SSL, DNS, email, redirects, etc.)

## Categories
- Web Security: https://securitytoolshub.com/website-security-tools
- SSL/TLS: https://securitytoolshub.com/ssl-tools
- DNS & Domains: https://securitytoolshub.com/dns-domain-tools
- Email Security: https://securitytoolshub.com/email-security-tools
- Auth & Tokens: https://securitytoolshub.com/auth-tokens
- Crypto & Encoding: https://securitytoolshub.com/crypto-encoding-tools
- Developer Utilities: https://securitytoolshub.com/developer-utilities
- Passwords: https://securitytoolshub.com/password-tools

## Tools (sample)
- SSL Checker: https://securitytoolshub.com/ssl-checker
- HTTP Header Analyzer: https://securitytoolshub.com/header-analyzer
- JWT Decoder: https://securitytoolshub.com/jwt-decoder
- Password Strength Checker: https://securitytoolshub.com/password-strength-checker
- Base64 Encoder / Decoder: https://securitytoolshub.com/base64-encoder
- Hash Generator: https://securitytoolshub.com/hash-generator
- DNS Lookup: https://securitytoolshub.com/dns-lookup
- SPF Record Checker: https://securitytoolshub.com/spf-checker
- WHOIS Lookup: https://securitytoolshub.com/whois-lookup
- robots.txt Analyzer: https://securitytoolshub.com/robots-txt-analyzer
- URL Encoder / Decoder: https://securitytoolshub.com/url-encoder
- HMAC Generator: https://securitytoolshub.com/hmac-generator
- HSTS Checker: https://securitytoolshub.com/hsts-checker
- Password Generator: https://securitytoolshub.com/password-generator
- AES Encrypt / Decrypt: https://securitytoolshub.com/aes-encrypt
- CORS Checker: https://securitytoolshub.com/cors-checker
- Clickjacking Checker: https://securitytoolshub.com/clickjacking-checker
- DKIM Record Checker: https://securitytoolshub.com/dkim-checker
- DMARC Record Checker: https://securitytoolshub.com/dmarc-checker
- Hex Encoder / Decoder: https://securitytoolshub.com/hex-encoder
- JSON Validator: https://securitytoolshub.com/json-validator
- Timestamp Converter: https://securitytoolshub.com/timestamp-converter
- CSP Checker: https://securitytoolshub.com/csp-checker
- Port Checker: https://securitytoolshub.com/port-checker
- UUID Generator: https://securitytoolshub.com/uuid-generator
- Regex Tester: https://securitytoolshub.com/regex-tester
- Lorem Ipsum Generator: https://securitytoolshub.com/lorem-ipsum
- HTML Entity Encoder / Decoder: https://securitytoolshub.com/html-encoder
- Cron Validator: https://securitytoolshub.com/cron-validator
- Mixed Content Checker: https://securitytoolshub.com/mixed-content-checker
- RSA Key Generator: https://securitytoolshub.com/rsa-generator
- Open Redirect Checker: https://securitytoolshub.com/open-redirect-checker
- Cookie Analyzer: https://securitytoolshub.com/cookie-analyzer
- Directory Listing Checker: https://securitytoolshub.com/directory-listing-checker
- URL Parser: https://securitytoolshub.com/url-parser
- User-Agent Parser: https://securitytoolshub.com/user-agent-parser
- Uptime Checker: https://securitytoolshub.com/uptime-checker
- MX Record Lookup: https://securitytoolshub.com/mx-lookup
- IP Address Info: https://securitytoolshub.com/ip-info
- Binary Encoder / Decoder: https://securitytoolshub.com/binary-encoder
- QR Code Generator: https://securitytoolshub.com/qr-generator
- JavaScript Escape / Unescape: https://securitytoolshub.com/javascript-escape
- CIDR Calculator: https://securitytoolshub.com/cidr-calculator
- Hash Identifier: https://securitytoolshub.com/hash-identifier
- Case Converter: https://securitytoolshub.com/case-converter
- Text Cleaner: https://securitytoolshub.com/text-cleaner
- Subdomain Finder: https://securitytoolshub.com/subdomain-finder
- Technology Detector: https://securitytoolshub.com/technology-detector
- Domain Age Checker: https://securitytoolshub.com/domain-age-checker
- Webhook Signature Validator: https://securitytoolshub.com/webhook-signature-validator

## Main URLs
- Home: https://securitytoolshub.com
- Security Scan: https://securitytoolshub.com/security-scan
- All tools: https://securitytoolshub.com/tools
- Privacy: https://securitytoolshub.com/privacy
- Contact: https://securitytoolshub.com/contact

## Tools manifest (machine-readable)
https://securitytoolshub.com/tools.json

## Contact
https://securitytoolshub.com/contact