Networking
Network Tools
Subnet Calculator
Calculate subnets, masks, and IP ranges.
CIDR Calculator
Convert CIDR notation to IP ranges.
IP Validator
Validate and classify IPv4/IPv6 addresses.
IPv4 to IPv6
Map IPv4 addresses to IPv6 address space.
IPv6 to IPv4
Convert IPv6 addresses to IPv4 if possible.
IP Converter
Convert IP to Binary, Hex, and Decimal.
MAC Formatter
Format and lookup MAC address vendors.
Bandwidth Calc
Calculate transfer speeds and data times.
MTU Calculator
Calculate payload sizes and protocol overhead.
URL Encode/Decode
Encode/decode text for web URLs safely.