🌐 Network

Network-oriented tools such as IP address and subnet calculation

• IP Subnet Calculator

  Calculate network information from an IPv4 address in CIDR notation.

  Recommended
• User-Agent Parser

  Parse browser, OS, and device information from a User-Agent string.

• HTTP Status Code Reference

  Look up HTTP status codes by code number, keyword, or category (1xx–5xx).

• MIME Type Lookup

  Look up the MIME type for a file extension, or search by MIME type or category.

• DNS Record Checker

  Validate A, AAAA, CNAME, MX, NS, TXT, and SRV record values and generate them in zone file format.

• User-Agent Generator

  Generate a User-Agent string from a combination of major browsers and operating systems.

• HTTP Headers Reference

  Look up commonly used HTTP request and response headers.