TOML File Extension

TOML Configuration File
- File Type toml
- Developer Tom Preston-Werner
- Popularity
- Application Sublime Text
- Category Developer Files
- Format Text
What is a TOML file?
TOML Configuration File, identified by the TOML extension, is a Developer Files type and includes 1166 files.
TOML files are compatible with various operating systems, including Windows, Linux and Mac OS. There are 4 programs available to open a TOML file, including popular tools like Sublime Text, Atom and PSPad.
Programs that support TOML files
How to open a TOML file?
If you are having trouble opening a TOML file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Sublime Text, Atom and PSPad are recognized as the most popular software solutions for dealing with TOML files. If you wish to install the latest release of Sublime Text, visit the official Sublime HQ Pty portal and download the edition that works on any operating system.
Once Sublime Text is installed, the OS should configure it as the default tool for opening TOML files.
Set Sublime Text as the default TOML handler
Setting a default program by file type in Windows
- Right-click on your TOML file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- In the pop-up window, find and select the Sublime Text application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening TOML files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired TOML file to launch the file options menu;
- Select "Open in application" and click "Other";
- Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
- In this menu, select "All Programs" and search for Sublime Text. Check the box next to "Always open in app" to make it the default option.
How to edit a TOML file?
Editing TOML files requires installing professional software that lets you open and edit developer files. Online editors have more limitations compared to dedicated TOML Configuration File programs.
List of Top TOML editors 2026
According to these factors, we have compiled a list of available TOML editors.
| TOML Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| PSPad | Jan Fiala | Windows | 4.7 out of 5 (41 review) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Effective solutions for TOML file problems
If TOML files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What are the possible solutions to recover a corrupt TOML file?
Start a data recovery program and open the damaged TOML file. Go to the menu and select the "Repair" option to repair the file. Allow the recovery process to complete, which will automatically repair the damaged developer files.
Are there any symptoms that my TOML file is damaged?
Corrupted TOML developer files may show the following signs:
- Opening the file in Sublime Text or other programs causes them to hang or crash;
- Error dialogs are displayed when interacting with the file;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the TOML file;
- Editing the archive in Sublime Text is accompanied by slow performance or delays;
What are the possible causes of Sublime Text crashing?
The absence of software updates can cause Sublime Text to crash. It is recommended to install the latest available updates for Sublime HQ Pty products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.







