NUNJS File Extension

Nunjucks template
- File Type nunjs
- Popularity
- Application Visual Studio Code
- Category Developer Files
What is a NUNJS file?
Nunjucks template, identified by the NUNJS extension, is a Developer Files type and includes 1166 files.
NUNJS file support extends to various operating systems, including Linux, Windows and Mac OS. When working with NUNJS files, you can rely on 2 programs, including Visual Studio Code and Nunjucks.
Programs that support NUNJS files
How to open a NUNJS file?
If you can’t open a NUNJS file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with NUNJS files, Visual Studio Code and Nunjucks are the top choices for users. To install the updated version of Visual Studio Code, simply go to the Microsoft site and download the installer compatible with all major platforms.
Once the process is complete, Visual Studio Code should take over as the default application for NUNJS files.
Set Visual Studio Code as the default NUNJS program
Changing Default Programs in Windows
- Right-click on your NUNJS file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, select the Visual Studio Code application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening NUNJS files.
Change Default Program on Mac
- Right click or Control + left click on the desired NUNJS file;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for Visual Studio Code. Check the box next to "Always open in app" to make it the default program.
How to edit a NUNJS file?
To edit NUNJS files, it is essential to install software that supports not only viewing but also editing the developer files. Online NUNJS editors provide limited functionality compared to full-featured software for Nunjucks template.
List of Top NUNJS editors 2026
Based on the criteria above, here is a selection of NUNJS editors you can use.
| NUNJS Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Visual Studio Code | Microsoft | Windows, Mac OS, Linux | 4.7 out of 5 (38 reviews) |
Solve problems with NUNJS files
Rest assured, any issues with NUNJS files can typically be addressed with simple software adjustments. See the tips below for help.
Why does Visual Studio Code stop responding or crash intermittently?
Visual Studio Code crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
What are the best practices for repairing a NUNJS file that has gone bad?
Use a data recovery program to open the damaged NUNJS file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged developer files.
What are the warning signs that my NUNJS file may be corrupted?
Common indications of damaged NUNJS developer files are:
- Error messages appear during the course of working with the file;
- Editing the archive in Visual Studio Code results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the NUNJS file;
- Opening the file in Visual Studio Code or other programs causes them to hang or crash;





