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Free Crypto & Security Online
15 free tools — no signup required
Cryptography and network security tools for developers and IT professionals. Generate MD5, SHA-256, and bcrypt hashes. Encrypt and decrypt data with AES. Check SSL certificates, look up DNS records, query WHOIS data, and analyze password strength. All operations run client-side for security.
🛡️Crypto & Security
Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes from any input text.
✅Crypto & Security
Checksum Calculator
Calculate and verify file checksums (MD5, SHA-1, SHA-256).
🔑Crypto & Security
HMAC Generator
Generate HMAC authentication codes using various hash algorithms.
🔒Crypto & Security
Bcrypt Hash Generator
Generate and verify bcrypt password hashes with configurable rounds.