Exploring: Free

Unserialize

Unserialize is a simple tool that takes a serialized PHP or JSON string and converts it to an […]

This tool from dmarcian allows you to upload uncompressed or compressed (in gzip or zip) DMARC XML files

This tool checks the responses a website is sending back to requests, so you can check it is

A simple tool that traces website redirects and generates a report.

An online tool that detects what browser you’re using, what settings are enabled, device, operating system, screen size