Network & Developer Tools

A fast, no-nonsense set of utilities for network engineers and developers — subnetting, IP and MAC tools, encoders, hashing, regex, and a secure password generator. Everything runs in your browser; nothing is sent to a server.

Network

What's My IP net

Public IPv4 / IPv6Open tool →

See your public address, ISP, ASN & approximate location.

Subnet / CIDR net

CIDR (IPv4)

More details →

DNS Lookup net

A / AAAA / MX / TXT / NSOpen tool →

Live record lookups for any domain over DNS-over-HTTPS.

IP Converter net

IPv4 dotted, integer, or hex

MAC Lookup net

MAC address

More details →

Live Network & TLS live

Port/telnet · open ports · certsOpen tools →

Port reachability, common-port scan & live certificate checks. Runs server-side (sign-in required).

Encoding & Data

Base64 data

Text / Base64

URL Encode data

Text / encoded

Text ↔ Hex data

Text / hex bytes

JSON Formatter data

JSON

Developer

Hash generator & checker crypto

Text Algorithm

Verify against (optional)

UUID v4 gen

Regex Tester dev

Pattern Flags Test string

Epoch / Time time

Unix epoch (s or ms) or date string

Password Generator

Secure Password gen

Length: 20

A-Za-z0-9!@#$