System Fonts
System Fonts enqueues a stylesheet that lets you use the native font on each operating system and defines a system-ui css @font-face that you can use on the customizer, your theme’s settings or your own code.
Consider an alternative
System Fonts shows warning signs in 2026 — compare the alternatives below before installing. It runs on 30+ sites and was last updated 2 years ago, and scores 27/100 on our health check.
- Small user base (30+ active installs)
- Very few reviews so far
- No update in over a year
- Only tested up to WordPress 6.7 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & supportDaily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where System Fonts stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| front end | >100 |
| typography | >100 |
Version adoption
Share of active sites per release.
About System Fonts
From the official readme · v0.6Description
System Fonts enqueues a stylesheet that lets you use the native font on each operating system and defines a system-ui css @font-face that you can use on the customizer, your theme’s settings or your own code.
Usage example
The Twenty Seventeen theme uses this css selector for the body text:
body, button, input, select, textarea {
font-family: "Libre Franklin", "Helvetica Neue", helvetica, arial, sans-serif;
}
We are going to replace it with the default system font.
In you WordPress site, go to Appearance > Customize > Additional CSS and paste this code
body, button, input, select, textarea {
font-family: system-ui;
}
Appart from them font-family, there are other font-properties available:
- font-style: normal or italic;
- font-weight: 300 (light), 400 (regular), 500 (medium), 700 (bold);
For example this is the code make an element’s text semibold and cursive:
#my-element {
font-family: system-ui;
font-weight: 500;
font-style: italic;
}
Installation
- Upload the plugin files to the
/wp-content/plugins/system-fontsdirectory, or install the plugin through the WordPress plugins screen. - Activate the plugin through the ‘Plugins’ screen in WordPress
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best System Fonts alternatives
All front end plugins →FAQ
System Fonts: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Is System Fonts free?
Yes. System Fonts is free to download and use from the official WordPress.org plugin directory.
Is System Fonts safe to use in 2026?
System Fonts shows warning signs in 2026 — compare the alternatives below before installing. It runs on 30+ sites and was last updated 2 years ago, and scores 27/100 on our health check.
How many websites use System Fonts?
System Fonts is active on 30+ WordPress websites and has been downloaded 3,419 times since it launched in November 2018. It was downloaded 79 times in the last 30 days.
Does System Fonts work with WordPress 7.1?
System Fonts is officially tested up to WordPress 6.7.9, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does System Fonts need?
System Fonts requires PHP 5.6 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was System Fonts last updated?
The latest version, 0.6, was released on December 30, 2024 (2 years ago).
Who makes System Fonts?
System Fonts is developed and maintained by Nilo Velez.
What are the best alternatives to System Fonts?
The most popular alternatives to System Fonts are Prevent Landscape Rotation (1K+ installs), Gravity Forms: Post Updates (300+ installs) and DJD Site Post (100+ installs).
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