Notepad4 / Notepad3 / Notepad++ is compact yet powerful text editor.
you can download from :
https://github.com/zufuliu/notepad4/releases
https://github.com/rizonesoft/Notepad3/releases
When previewing a file, this plugin launches Notepad4 (or N3) to open the current file, and its window will be embedded within the view pane frame.
you can directly edit the file and save it in the view pane.
Notepad4 / Notepad3 / Notepad++ are all supported.
NOTE: the version of Notepad4 must be newer than v24.09r5472, because its parameters have changed since this version.
Download & Setting
Download the appropriate version based on your language.
Place the dll into "/home\viewers" and restart DOpus.
2026.7.1 : editorWrapper_en.zip (47.8 KB)
2026.7.1 : editorWrapper_cn.zip (47.6 KB)
Preferences / Viewer / Plugins, show all plugins,
move editorWrapper up, Or move it to the top.
The setting GUI, you can add extensions and edit the path of .exe.
If the exe path is invalid, the preview action will be delegated to other plugins.
Environment variables, Dopus alias and absolute paths are all supported.
Screenshot
Change Log
v2026.7.1 Now supports Notepad++ v8.9.6.2






