URL & HTTP Tools

Utilities for web addresses, servers and networks. Parse a URL into its parts and edit query parameters, build UTM campaign links, look up HTTP status codes and MIME types, parse user-agent strings, explain cron schedules in plain English, convert Unix permissions with the chmod calculator, generate Apache redirect rules and calculate IPv4 subnets. Everything is computed locally with clear explanations, which makes these tools useful for learning as well as daily operations.

9 URL & HTTP Tools

Most popular first.

Frequently Asked Questions

What can I do with these URL & HTTP tools?

Parse URLs, build UTM links, explain cron and calculate subnets.

Which URL & HTTP tools are most popular?

The most used are URL Parser, UTM Link Builder, Subnet Calculator. Tools are listed here in order of popularity.

Do I need to install anything or sign up?

No. Each tool opens in your browser, works without an account and is free to use. Files and text are processed on your device unless a tool clearly states otherwise.

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