GEMSPEC File Extension
Gem Specification Format
- File Type gemspec
- Developer RubyGems
- Popularity
- Application Sublime Text
- Category Settings Files
- Format Text
What is a GEMSPEC file?
The GEMSPEC file extension is linked to Gem Specification Format and belongs to the Settings Files category, which includes 1190 files.
GEMSPEC files are supported by Linux, Windows and Mac OS. When working with GEMSPEC files, you can rely on 2 programs, including Sublime Text and Ruby.
Programs that support GEMSPEC files
How to open a GEMSPEC file?
If you can’t open a GEMSPEC 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.
The most popular programs for working with GEMSPEC files are Sublime Text and Ruby. To install the latest version of Sublime Text on your computer, visit the Sublime HQ Pty website where you can download the version available for all operating systems.
Following installation, GEMSPEC files should be automatically opened with Sublime Text.
Set Sublime Text as your default GEMSPEC viewer
Changing the default program in Windows
- Right-click on your GEMSPEC file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Sublime Text as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening GEMSPEC files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired GEMSPEC file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Sublime Text. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a GEMSPEC file?
To edit GEMSPEC files, you need to install specialized software that allows you not only to open but also to modify settings files. Online GEMSPEC editors usually provide fewer features than software created specifically for Gem Specification Format.
Best GEMSPEC editors in 2026
Taking into account the provided details, we have prepared a list of GEMSPEC editors that match your needs.
| GEMSPEC Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
Solving Common GEMSPEC File Challenges
When issues arise with GEMSPEC files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my GEMSPEC file may be corrupted?
Corrupted GEMSPEC settings files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Poor performance when editing a file in Sublime Text;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in GEMSPEC file size;
- The file causes Sublime Text or other programs to hang or crash during operation;
Why does Sublime Text crash?
Sublime Text crashes can be caused by outdated software. Keep your Sublime HQ Pty products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted GEMSPEC file?
Use a data recovery program to open the damaged GEMSPEC file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged settings files.