Notepad ++ is a free text and font editor for use with Microsoft Windows. Supports multiple languages and tabbed editing, allowing you to work with multiple open files in a single window. The name of the project comes from the increment operator C. However, there are few text files that users cannot open with Notepad ++. But there are plugins for different types of text formats and programming languages that are installed in Notepad ++. One of the many plugins is the Hex Editor plugin; is used to view the text in hexadecimal format.

What is the hex editor?
Name $ 0027Hex $ 0027 comes from hexadecimal, which is a numeric format to represent binary data. A hexagonal editor is a program that allows you to analyze, view and edit hex encoded files. Sometimes, user encounters a file that cannot be opened for a reason, but you can open it in Hex Editor and most files will have information at the top of the file, which describes what kind of file it is. It can also be used to edit the game's saved state file and change the game change function. There are many hex editing programs, but it can also be used in Notepad ++ using plugin for it.

Paso 1: add Github plugin manager
The Plugin Manager is a plugin in itself through which you can install, update and remove any plugins available in Notepad ++. But after the version 7.5 de Notepad ++, Plugin Manager plugin has been removed from official distributors. The reason for removing this plugin was due to sponsored advertising. Every time I open this plugin, you will see ads at the bottom of the windows, so it was removed. The built-in Plugin Manager is still in progress and will be back at some point in the future.
If you already have a plugin manager on your Notepad ++, skip this method. Although it was removed, but for now you can add / install Plugin Manager manually. To do this, follow the steps below:
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First, you should go to this GitHub link: Add-on manager
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You can choose a zip file from 32 bits o 64 bits and download it
Download zip files for the plugin manager on GitHub
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Now extract the zip file using WinRAR and open the extracted folder
Zip file extraction
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There will be two folders in it, »Add-ons» and »updater«. Both will have 1 file in each. You need to copy the files from here to the Notepad folders ++ Plugins and Updater
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Find the Notepad folder ++:
C:Program Files N-Notepad ++
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Now copy the files inside the downloaded plugin folders and paste them into the exact folders of Notepad ++
Copy from downloaded folder to Notepad folder ++
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After copying the files, restart your Notepad ++ and the Plugin Manager will be there now.
Paso 2: install hex edit plugin via plugin manager
In this method, we will install the Hexagon Editor plugin in Notepad ++ using Plugin Manager. Plugin Manager is easy and good to install and remove any plugin for Notepad ++. By default, hex editor is not available in Notepad ++ and can't see the text in hex format, but after installing the hex editor plugin, you will be able to see any file in hex without any problem. Here are the steps to install the hex editor plugin:
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Abra Notepad ++ by double clicking on the shortcut
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Now, in the menu bar, click on »Add-ons«
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Select »Plugin Manager» and then »Show Plugin Manager»
Open the Plugin Manager in Notepad ++
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This will open a window with the list of available plugins, busque »HEX-Editor«.
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Click on it and press the button »Install«, it will ask you to restart Notepad ++ after installation.
Install hex editor from plugin manager
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After reboot, now open the file in Notepad ++ you want to see in HEX, like LineInst.exe that we use in this method. You can drag and drop on Notepad ++
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When the file opens, click Plugins, then in HEX-Editor and click on »View in HEX»
Open the file in Notepad ++ and view it in hexadecimal format
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This will change your encoded text to HEX.
Download zip files for the plugin manager on GitHub
Zip file extraction
Copy from downloaded folder to Notepad folder ++
Open the Plugin Manager in Notepad ++
Install hex editor from plugin manager
Open the file in Notepad ++ and view it in hexadecimal format



