Useful Tools


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Explain Shell (

This site explains the details(parameters…) of the given command such as “ssh -i keyfile -f -N -L host” and so on.

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You can use network shell commands such as ping, dig, traceroute and so on. Advantages of this site is that it lets you run commands without worrying about the OS. As you know, some commands are OS specific. The other advantage is, it has an interface which you can put parameters. It makes life little bit easier.

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Wappalyzer is an extension to display which framework, web server etc. that the site you are viewing. It is useful for curious cats who want to know which technologies the sites are using.

Redirect Path (Extension Link)

This particular extension is for displaying network details of a site such as, HTTP Status Codes(200, 404 …), redirections, headers, web servers and so on. This extension is one of my favourites since it shows nearly every detail of a page.


Secure Password Generator (

If you need a highly secure password, this is the site you need. You can define your own criterias about the password and this generator generates it.



Postman is a powerful HTTP client for testing web services. Created by Abhinav Asthana, a programmer and designer based in Bangalore, India, Postman makes it easy to test, develop and document APIs by allowing users to quickly put together both simple and complex HTTP requests.


Screenfly (

You have created a website but aren’t sure how it looks on different devices? If so, you are in the right place. Click the link provided and see.


IP CIDR Calculator (

The CIDR Calculator enables CIDR network calculations using IP address, subnet mask, mask bits, maximum required IP addresses and maximum required subnets.


Regex Tester (

This regex tester lets you check if the given regex syntax is correct, analyze what regex does and test it.


Diff Checker (

Compares given two texts and gives you the difference between them.


KeyStore Explorer (

KeyStore Explorer is an open source GUI replacement for the Java command-line utilities keytool and jarsigner. KeyStore Explorer presents their functionality, and more, via an intuitive graphical user interface.


DevOps Periodic Table (

This is an interactive kind of table where you can see every framework related to DevOps Culture. From Configuration Management Tools to Orchestration Tools.


Fiddler (

A tool for Web Session Manipulation, Performance Testing, Security Testing, HTTP-HTTPS Traffic Recording, Web Debugging. Can be used instead of Postman and other similar applications. It can also be used as a proxy server.