hURL – hexadecimal and URL encoder decoder

Hacking Truth

hURL – hexadecimal and URL encoder decoder

Ah yes, the origin of many memes. Cookies are an essential tool for modern websites to function. Tiny pieces of data, these are created by a website and stored on the user's computer.

You'll see notifications like the above on most websites these days. Websites use these cookies to store user-specific behaviours like items in their shopping cart or session IDs.

In the web application, we're going to exploit, you'll notice cookies store login information like the below! Yikes!

Cookies are not permanent storage solutions like databases. Some cookies such as session ID's will clear when the browser is closed, others, however, last considerably longer. This is determined by the "Expiry" timer that is set when the cookie is created.

Cookies can be set in various website programming languages. For example, Javascript, PHP or Python to name a few. The following web application is developed using Python's Flask, so it is fitting to use it as an example.hURL – hexadecimal and URL encoder decoder

hURL – hexadecimal and URL encoder decoder

hURL is a small utility that can encode and decode between multiple formats.

How to Install ?

sudo apt-get install hurl

How to Use ?

For Help Command

hURL --help

hurl Usage Examples

Decode the given base64-encoded string (-b “S2FsaSBMaW51eAo=”) and display the result.

hURL -b "S2FsaSBMaW51eAo="

hURL -b "Yg%3D%3D"

hURL -b


Explain :

-b for --base64  => base64 decode

Video Tutorial :- Soon..



This was written for educational purpose and pentest only.
The author will not be responsible for any damage ..!
The author of this tool is not responsible for any misuse of the information.
You will not misuse the information to gain unauthorized access.
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- Hacking Truth by Kumar Atul Jaiswal

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