Network

Random User Agent Generator

Generate random browser User-Agent strings for developers, QA testers, and web scrapers to simulate various devices and platforms.

IPv4 / IPv6 Address Converter

A two-way IPv4 and IPv6 address converter for network configuration, debugging, and format validation.

Download Link Converter

Convert HTTP/HTTPS file URLs into dedicated download links for Thunder, FlashGet, and QQ Xuanfeng to use with various download clients.

Random MAC Address Generator

Generate one random MAC address at a time with four separator styles, uppercase or lowercase output, and local result history.

MAC Address Vendor Lookup

Enter a MAC address to instantly identify the device manufacturer and detailed physical address. Perfect for network management and security auditing.

Random IP Address Generator

Generate IPv4 and IPv6 addresses on demand. Supports specific public/private networks and custom CIDR ranges. Ideal for testing, development, and learning.

Online DIG Lookup

Professional tool to query domain DNS records. Supports A, AAAA, MX, NS, and custom DNS servers.

Ad CPM Calculator

Enter your ad spend and impressions to instantly calculate your cost per thousand impressions (CPM) and optimize your budget allocation.

IP to Number Converter

Convert IP addresses to decimal integers and vice versa. Supports both IPv4 and IPv6 formats. Ideal for development, debugging, and network analysis.

WiFi QR Code Generator

Enter your WiFi name and password to instantly generate a scan-to-connect QR code. Eliminate the hassle of typing long passwords and share your network easily.

Website WAF Checker

Quickly identify if a website has a Web Application Firewall (WAF) deployed, detect its type and vendor, and get reliable data for security operations.

IP Address Extractor

Batch extract valid IPv4 addresses from logs, code, or any text. Includes built-in counting statistics.

Bulk MAC Vendor Lookup

Bulk lookup Apple device manufacturers, models, and production details via MAC address. Ideal for IT management and device verification.

IPv6 Address Compressor

Compress IPv6 addresses to their shortest RFC-compliant format by removing redundant zeros. Perfect for network configuration and address management.

Online NSLookup Tool

Check domain DNS records online. Instantly look up A, AAAA, CNAME, MX, and NS records with support for custom DNS servers.

CDN Provider Checker

Quickly identify the CDN provider used by any domain to optimize website performance and security.

WHOIS Domain Lookup

Look up domain WHOIS registration information via command line to retrieve key data like the owner, registrar, and expiration date.

WPA Key Generator

Generate WPA/WPA2 compliant wireless passwords. Customize length and format to enhance your WiFi security.

China Mobile DNS Server IP Database

Provides China Mobile public DNS server IP addresses and location information, covering all provinces, municipalities, and Hong Kong, to support network configuration and troubleshooting.

TCP/UDP Port Lookup

Look up service names and descriptions for TCP/UDP port numbers. Covers IANA standard ports for network management, development, and security.