Skip to content
Fontify

Font extension for Chrome & Firefox

Your web.
Your type.

Change the fonts on the websites you use.

Choose Google Fonts or upload your own files. Set separate typefaces and weights for regular, bold, italic and code text.

Install FontifyTry the font preview

Free & open source · Development builds

Font preview

Try a typeface on this sample.

The quick brown fox jumps over the lazy dog.

Regular text, bold text and italic text.
0123456789 · !?&@

This preview changes the sample only. Install Fontify to change other websites.

Typefaces, profiles and exceptions.

Fontify’s dark settings page with typeface profiles, exceptions and lilac controls
Fontify’s settings, built with Material 3 Expressive.

Choose what changes.

Browse Google Fonts

Search Google Fonts families, filter by category and save favourites. Preview fonts on hover or keyboard focus.

Upload your own fonts

Upload TTF or OTF files, including variable fonts. Choose separate regular, bold and italic profiles, with the weights you want.

Protect code and icons

Code and icon fonts stay protected by default. Set your own monospace profile when you want one, or make an exception for a site, font family or CSS selector.

Override or pause

Highlight text and right-click Fontify to override a font or text block. Pause globally or on one site, and restore the original typography without reloading.

Install Fontify.

Get a development build from the repository’s build workflow. Choose the package for your browser.

Download a development buildFull installation guide

Chrome / Chromium

Extract the Chrome ZIP. Open chrome://extensions, enable Developer mode, then use Load unpacked.

Chrome 120 or newer

Firefox

Extract the Firefox ZIP. Open about:debugging and use Load Temporary Add-on to select its manifest.

Firefox 140 or newer · Temporary add-ons are removed on restart.