System, Network & Security Tools
A collection of free utilities for checking network status, analyzing system information, and enhancing your online security.
What's My IP Address
Quickly find out your public IPv4 and IPv6 address.
Password Generator
Create strong, secure, and random passwords with custom rules.
Password Strength Checker
Analyze the strength of your password against common attacks.
What's My User Agent
View the detailed user agent string of your current browser.
Whois Lookup
Find registration and contact information for any domain name.
DNS Lookup
Check the DNS records (A, CNAME, MX, TXT) for any domain.
File Hash Calculator
Calculate the MD5, SHA-1, and SHA-256 hash of any file.
Subnet Calculator
Calculate subnet masks, network addresses, and IP ranges.
Domain Availability Checker
Check if a domain name is available to be registered.
Email Validator
Verify if an email address is properly formatted and appears valid.
