KTS File Extension
Kotlin Script
- File Type kts
- Developer JetBrains
- Popularity
- Application IntelliJ IDEA
- Category Developer Files
- Format Text
What is a KTS file?
The KTS extension is related to Kotlin Script and is classified in the Developer Files category, which contains 1166 files.
The Kotlin Script (KTS), created by JetBrains, is one of file format they developed, and they also built 2 programs to support them.
KTS files are supported by Linux, Windows and Mac OS. When working with KTS files, you can rely on 3 programs, including Android Studio, IntelliJ IDEA and NetBeans.
Programs that support KTS files
How to open a KTS file?
If you can’t open a KTS 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.
Android Studio, IntelliJ IDEA and NetBeans stand out as the preferred programs to manage KTS files effectively. To get the latest version of IntelliJ IDEA, open the JetBrains website where a universal installer for all operating systems is available.
When you finish installing IntelliJ IDEA, the system will automatically launch KTS files with it.
Set IntelliJ IDEA to open KTS by default
Change default apps on Mac
- Right-click or use Control + Left-click on the desired KTS file to access the file’s context menu;
- Choose "Open in Application" and click "Other";
- At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
- Within this menu, select "All Programs" and then search for IntelliJ IDEA. Check the box next to "Always open in app" to make it the default program.
Set default programs for Windows
- Take the first step by right-clicking on your KTS file. Next, select "Open With" and then choose "Choose another app" from the available options;
- Find the IntelliJ IDEA application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening KTS files.
Easy KTS Troubleshooting
When facing challenges with KTS files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.
How do I know if my KTS file has been damaged?
KTS developer files that have become corrupted may display one or more of the following symptoms:
- Error alerts occur when actions are performed on the file;
- The file exhibits poor performance during editing operations in Android Studio;
- When opening the file, errors occur or the inability to access its contents;
- Unexplained KTS file size inflation;
- IntelliJ IDEA or other programs stop responding or crash when trying to handle the file;
Why does IntelliJ IDEA quit or crash unexpectedly?
Lack of software updates is a possible reason behind IntelliJ IDEA crash. Keep your JetBrains products up to date by installing the latest updates.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.
What methods can be used to repair a damaged KTS file?
In a data recovery program, open the damaged KTS file and select the "Repair" menu option. Allow the recovery process to complete, which will automatically repair the damaged developer files.
How to edit a KTS file?
To make changes to KTS files, you need specialized software that allows both opening and editing the developer files. Online KTS editors offer fewer capabilities than applications optimized for Kotlin Script.
Best KTS Editor Software in 2026
After analyzing the criteria, we have created a list of KTS editors available for use.
| KTS Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| IntelliJ IDEA | JetBrains | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Android Studio | Windows, Mac OS, Linux | 4.5 out of 5 (38 reviews) | |
| NetBeans | Oracle | Windows, Mac OS, Linux | 4.4 out of 5 (36 reviews) |