Networking & DevOps
Subnet calculator, JWT decoder, AES encryption and protocol tools.
Subnet Calculator
Calculate netmask, broadcast, hosts and IP range from an address and IPv4 CIDR prefix.
JWT Decoder
Decode JWT tokens and show the header, payload and whether the token has expired.
AES-256 Encryption
Encrypt and decrypt text with AES-256-GCM and PBKDF2 key derivation directly in your browser.