Security Tools
100 free browser-based security tools — password checkers, encryption, hash generators, SSL analysis, network security, malware detection, privacy protection, secure development and advanced cryptography. No sign-up required.
100Free Tools
10Sub-categories
0Registration
All Tools (100)
🔑 Password
🔐 Encryption
🔢 Hash & Encoding
🌐 Website Security
🛜 Network
🦠 Malware Detection
👁️ Privacy
⚙️ Secure Dev
🧮 Cryptography
📚 Education
Password & Authentication Security
Password strength, advanced generator, passphrase, entropy, hash, pattern analysis, TOTP and security token tools
Encryption / Decryption Tools
AES, RSA, SHA-256, SHA-512, MD5, HMAC — encrypt and decrypt text and files directly in your browser
Hash & Encoding Security Tools
Base64, URL, JWT, Hex, Binary — encode and decode for security-critical applications instantly
Website Security Analysis Tools
SSL checker, HTTPS security, security headers, CSP analyzer, TLS version, cookies and mixed content detection
Network Security Tools
IP lookup, subnet calculator, CIDR, reverse IP, port scanner, DNS lookup, propagation checker, WHOIS and ASN tools
Malware / Suspicious Content Tools
Analyze suspicious URLs, detect phishing links, check domain reputation, JS obfuscation, fake login pages and script injection
Privacy Protection Tools
Email privacy, header analysis, disposable email detection, tracker detection, EXIF data viewer and remover, metadata scanner
Secure Development Tools
SQL injection scanner, XSS tester, CSRF token, API key, OAuth token, secure UUID, session ID and hash comparison tools
Advanced Cryptography Utilities
PBKDF2, bcrypt, Argon2, digital signatures, certificate decoder, public key decoder, PEM analyzer and CSR tools
Security Education & Testing Tools
Brute force simulation, password cracking time estimator, encryption strength, data leak risk, hash collision demo and visualizers
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