Category
Network & security
See this section on the full toolbox page alongside every other category.
Network & security
IP subnet calculator
Get network, broadcast, usable range and host count from a CIDR.
Network & securityVLSM subnet planner
Carve one block into several right-sized subnets.
Network & securityDomain WHOIS lookup
Look up registrar, dates, name servers and status for a domain.
Network & securityPassword generator
Generate strong random passwords with custom rules.
Network & securityHash generator
MD5, SHA-1, SHA-256 and SHA-512 of any text.
Network & securityRSA / EC key pair generator
Generate a standalone public/private key pair.
Network & securityHMAC generator
Generate a keyed-hash message authentication code.
Network & securityAES encrypt / decrypt
Symmetric encryption of text with a passphrase, in your browser.
Network & securityPassword strength analyzer
Estimate how long a password would take to crack.
Network & securityTOTP code generator
Generate time-based one-time codes for testing 2FA.
Network & securityPGP key viewer
Inspect a public key: fingerprint, key ID, algorithm, creation date.