JFM Converter

Convert JFM files online for free

Select File
Drop or upload your .JFM file

How to convert your JFM file

Click Select File above, and choose your JFM file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.

Convert JFM to another file type

The converter easily converts your JFM file to various formats—free and online. No Windows or extra software needed.

Convert a file to JFM

The converter also works in reverse, allowing you to convert your file into the JFM file type—in the best quality.

About JFM files

JFM files are primarily associated with TeX Font Metric files, used in conjunction with TeX typesetting systems to define font metrics. These files provide essential information about the width, height, and depth of characters in a font but do not contain the actual font glyphs.

While JFM files serve a specific purpose within the TeX ecosystem, converting them to other formats can be challenging due to their specialized nature. Typical conversions might include formats like TFM (TeX Font Metric), AFM (Adobe Font Metrics), or even more generalized formats like PDF and SVG, though the latter two may require intermediary steps involving TeX-to-PDF conversion tools.

For offline conversion, software like TeX Live or MikTeX can be utilized. These distributions provide a suite of tools that handle JFM files, including conversion utilities and compilers to work with TeX documents that use these files.

There are several key considerations when converting JFM files. The lack of glyph data means that any conversion must be handled with care to ensure that metrics are preserved accurately. Furthermore, the technical nature of these files means users may encounter compatibility issues or require specialized knowledge to perform conversions effectively.

Given these challenges, using a service like Convert.Guru can simplify the conversion process immensely. The drag-n-drop feature on Convert.Guru allows users to easily convert JFM files into a variety of formats without the need for complex software installations or technical expertise. This ease of use, combined with reliable conversion capabilities, makes it an excellent choice for anyone needing to work with JFM files.

The JFM Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best JFM converter by continuously improving quality, usability, and reliability.