NppGraphViz is a Notepad++ plugin that sends the current tab's document to a GraphViz preview window.
Install Steps
1, Install Notepad++
Notepad++ is a powerful text editor that supports plugins such as NppGraphViz. Go to the Notepad++ homepage at https://notepad-plus-plus.org/downloads/ Download and install the latest version.
2, Install Graphviz
Graphviz is a collection of progams that make diagrams from a simple text language. Go to Graphviz's homepage at www.graphviz.org. Download and install the latest version.
3, Install NppGraphViz
If you installed 64-bit Notepad++, then download the 64-bit NppGraphViz.dll
If you installed 32-bit Notepad++, then download the 32-bit NppGraphViz.dll
Make a “NppGraphViz” folder in Notepad++'s plugins directory, and move the NppGraphViz.dll into it. On a typical install, the full path would be “C:\Program Files\Notepad++\plugins\NppGraphViz\NppGraphViz.dll” or “C:\Program Files (x86)\Notepad++\plugins\NppGraphViz\NppGraphViz.dll”
4, Start Notepad++
Start Notepad++. Click “Plugins” from the file menu, you should see “Graphviz” if the plugin successfully installed.