THTML File Extension
Generic
- File Type thtml
- Popularity
- Application Notepad++
- Category Developer Files
What is a THTML file?
Generic, identified by the THTML extension, is a Developer Files type and includes 1166 files.
THTML files are compatible with various operating systems, including Windows. There are 3 programs available to open a THTML file, including popular tools like Notepad++, Sublime Text and PSPad.
How to open a THTML file?
If you are having trouble opening a THTML 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.
Notepad++, Sublime Text and PSPad are recognized as the most popular software solutions for dealing with THTML files. If you wish to install the latest release of Notepad++, visit the official Notepad++ Team portal and download the edition that works on any operating system.
Once Notepad++ is installed, the OS should configure it as the default tool for opening THTML files.
Set Notepad++ as the default THTML handler
Setting a default program by file type in Windows
- Right-click on your THTML 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 Notepad++ 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 THTML files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired THTML 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 Notepad++. Check the box next to "Always open in app" to make it the default option.
How to edit a THTML file?
Editing THTML files requires installing professional software that lets you open and edit developer files. Online editors have more limitations compared to dedicated Generic programs.
List of Top THTML editors 2026
According to these factors, we have compiled a list of available THTML editors.
| THTML 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) |
Effective solutions for THTML file problems
If THTML 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 THTML file?
Start a data recovery program and open the damaged THTML 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 THTML file is damaged?
Corrupted THTML developer files may show the following signs:
- Opening the file in Notepad++ 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 THTML file;
- Editing the archive in Notepad++ is accompanied by slow performance or delays;
What are the possible causes of Notepad++ crashing?
The absence of software updates can cause Notepad++ to crash. It is recommended to install the latest available updates for Notepad++ Team products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.