Network Tools

Browse network and protocol tools for requests, queries, DNS, headers, user agents, and subnet calculations.

This hub links 11 focused pages in the network tools category. Each tool page is designed around one transformation, validator, generator, or parser so both users and search engines can understand its purpose quickly.

Build Query String

Build a URL query string from key-value pairs with proper URL encoding. Browser-based query builder.

Build Request Code

Generate HTTP request code in fetch, Python, and cURL from a URL and parameters. Browser-based request builder.

CIDR Calculator

Calculate network address, broadcast, host range, and mask from CIDR notation. Browser-based CIDR calculator.

Convert cURL Command

Convert cURL commands to JavaScript fetch, Python requests, and C# HttpClient code. Browser-based cURL converter.

IP Subnet Calculator

Calculate subnet information from an IP address and mask. Browser-based IP subnet calculator.

Parse Cookies

Parse a Cookie header string into individual cookie name-value pairs. Browser-based cookie parser.

Parse HTTP Headers

Parse HTTP request or response headers into name-value pairs. Browser-based headers parser.

Parse Query String

Parse a URL query string into key-value pairs with URL decoding. Browser-based query string parser.

Parse URL

Parse a URL into protocol, host, path, query parameters, and fragment. Browser-based URL parser.

Parse User Agent

Parse a User-Agent string to identify browser, OS, and device type. Browser-based UA parser.

View DNS Records

Look up DNS records for any domain using the Google DNS API. View A, AAAA, MX, TXT, and CNAME records.