Filestar*
Download

Convert fon to ufo

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Fon file(s) on your desktop and select Convert with Filestar.

  3. Type convert to ufo in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.fon -c "convert to ufo" (how).

Let your AI agent convert FON to UFO

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows only.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the FON files in my Downloads folder to UFO”

Or run it yourself:

filestarcli -i file.fon -c "convert to ufo"

Runs on your computer, so your files stay on it. Works on Windows. 50 free conversions with the npm install, no account needed.

Can my AI agent convert FON to UFO?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.fon -c "convert to ufo" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .fon and .ufo?

Name
Windows Font Resource
Unified Font Object
Extension
.fon
.ufo
Format
Binary
Category
Font
Font
Developer
Microsoft
Adobe
Description
The .fon format is a Windows font resource file that stores bitmap (raster) fonts or acts as a container referencing font data for use by older Windows applications. It is commonly used for legacy screen fonts, especially fixed-size bitmap fonts used in older Windows GUI elements and MS-DOS era applications. Modern Windows systems retain support for .fon files mainly for backward compatibility with legacy software.
UFO is a font file format developed by Tal Leming for use by font editors. It is a cross-platform, open source format that stores font data in an XML format, allowing for greater flexibility and accessibility of font data.
MIME Type
application/x-font-fon
application/vnd.ms-opentype
Wikipedia
.ufo on Wikipedia

Convert Fon To Ufo Today

Get started within minutes

Download