FON File Extension
Microsoft Windows Bitmap Font Format
- File Type fon
- Developer Microsoft
- Popularity
- Application FontForge
- Category Font Files
- Format Binary
What is a FON file?
The FON file extension is linked to Microsoft Windows Bitmap Font Format and belongs to the Font Files category, which includes 102 files.
Microsoft, the developer of the Microsoft Windows Bitmap Font Format (FON), has released file format and 242 programs designed to handle them.
FON files are supported by Mac OS, Windows and Linux. There are 4 programs available to view a FON file, including popular tools like DiskFonts, Microsoft Windows and FontForge.
Programs that support FON files
Online Services
How to open a FON file?
If you are having trouble opening a FON 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.
The most popular programs for working with FON files are DiskFonts, Microsoft Windows and FontForge. To install the current version of FontForge, go directly to the official George Williams website. The universal package for all operating systems is available there.
After setup, the operating system should recognize FON files and link them with FontForge.
Setting FontForge as default FON viewer
Changing the default program in Windows
- Right-click on your FON file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- Choose FontForge from the available applications listed in the pop-up window to set it as the default application to open your FON file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired FON file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate FontForge. Check the box next to "Always open in app" to set it as the default program.
Convert to and from FON
For difficult FON files, try converting them to formats like OTF or similar formats to improve usability.
Please note that after converting a FON file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.
Convert FON to other file formats
Converting Files to FON Format
Tips and tricks to solve problems with FON files
FON files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Are there any symptoms that my FON file is damaged?
Corrupted FON font files may have one or more of the following symptoms:
- File hangs or crashes in FontForge or other programs;
- Error dialogs are displayed when interacting with the file;
- The file does not open or opens with errors;
- Unexplained increase in FON file size;
- Poor performance when editing a file in FontForge;
Why does FontForge crash or shut down frequently?
The absence of software updates can cause FontForge to crash. It is recommended to install the latest available updates for George Williams products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
Is there any specific software or utility that can help repair a damaged FON file?
Start a data recovery program and open the damaged FON file. Go to the menu and select the "Repair" option to repair the file. Then wait for the recovery process to complete, which allows you to automatically repair corrupted font files.
How to edit a FON file?
To edit FON files, you need to install specialized software that allows you not only to open but also to modify font files. Online FON editors usually provide fewer features than software created specifically for Microsoft Windows Bitmap Font Format.
Best FON editors in 2026
Based on your described criteria, here is a list of available FON editors.
| FON Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| FontForge | George Williams | Windows, Mac OS, Linux | 4.5 out of 5 (39 reviews) |