FCG File Extension

FastCGI Script
- File Type fcg
- Popularity
- Application Sublime Text
- Category Developer Files
What is a FCG file?
The FCG extension is related to FastCGI Script and is classified in the Developer Files category, which contains 1166 files.
FCG files are compatible with various operating systems, including Windows and Mac OS. If you need to open a FCG file, you can use one of 3 programs, such as Sublime Text, Coda and FastCGI.
How to open a FCG file?
If you’re having difficulty opening a FCG file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
Sublime Text, Coda and FastCGI are among the most widely used programs for handling FCG files. To set up the newest version of Sublime Text on your device, simply go to the official Sublime HQ Pty website. There you can download the edition compatible with every operating system.
Once the process is complete, Sublime Text should take over as the default application for FCG files.
Make Sublime Text the default FCG viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired FCG file to access a dropdown menu of actions;
- Choose "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 Sublime Text. Check the box next to "Always open in app" to make it the default program.
Change default programs in Windows
- Start by right-clicking on your FCG file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- Inside the popup window, scroll through the list of applications and specifically choose Sublime Text as the application to associate with your FCG file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to FCG file problems
Rest assured, any issues with FCG files can typically be addressed with simple software adjustments. See the tips below for help.
What are the steps to repair a damaged FCG file?
Open the damaged FCG file in a recovery program and select the "Repair" menu item to start the repair operation. Allow the recovery process to complete, which will automatically repair the damaged developer files.
What are the methods to detect if my FCG file has been corrupted?
The signs of corrupted FCG developer files can manifest as:
- Unexplained FCG file size inflation;
- Sublime Text or other programs stop responding or crash when trying to handle the file;
- When opening the file, errors occur or the inability to access its contents;
- While working with the file, error alerts are encountered;
- The file shows slow performance when edited in Sublime Text;
What are the reasons behind Sublime Text crash?
Insufficient software updates can contribute to Sublime Text crash. To avoid this, make sure that you have installed the latest updates for Sublime HQ Pty products.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
How to edit a FCG file?
To modify FCG files, it is necessary to install dedicated software that lets you open and edit developer files. Online FCG editors generally offer fewer tools compared to programs designed for FastCGI Script.
Best FCG Editor Software in 2026
Based on the criteria above, here is a selection of FCG editors you can use.
| FCG Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Coda | Panic | Mac OS | 4.3 out of 5 (41 review) |





