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Six network and system utilities. They run in the browser: no data leaves your machine.
- Subnet calculatorNetwork, broadcast, mask, usable range and host count from an IP and its prefix.
- Password generatorRandom passwords from the browser’s entropy, with length and character sets you choose.
- IPv4 converterConvert an IPv4 between dotted decimal, integer, hexadecimal and binary.
- IPv6 converterExpand and compress IPv6 addresses, and show the reverse form used in DNS.
- Unix time converterMove between Unix timestamps and readable dates, in local time and UTC.
- MAC converterRewrite a MAC address in Cisco, Linux, Windows and EUI-64 formats.