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Firefox Quantum Themes

v1.0.2 · by beastdestroyer, chpxu https://github.com/chpxu, devinaxo · added 3 November 2026

A Zed port of the Firefox Quantum themes for Visual Studio Code, based on Firefox DevTools colors

Themes
Install in Forge SuperView the source

How to install

With Forge Super installed, the button above opens the app on this extension, where you press Install. Nothing is installed until you do.

You can also open the Extensions panel in the app and search for Firefox Quantum Themes. The extension's id is firefox-quantum-theme.

Don't have Forge Super yet? Download it here.

README

From the extension's repository, written by its authors and not by Mentenaz. See the source.

zed-firefox-quantum-theme

A Zed port of the Firefox Quantum themes for Visual Studio Code, based on Firefox DevTools colors

Preview

Preview

Installation

Currently only Dev Extension installation is supported. To install the theme, follow these steps:

  1. Clone the repo somewhere on your computer.
  2. Open Zed and go to Extensions (Ctrl-Shift-X) > Install Dev Extension on the upper right corner
  3. Alternatively open the Command Palette (Ctrl-Shift-P) and type "Extensions: Install dev extension".
  4. Select the folder where you cloned the repo and click Select.
  5. Select the newly installed theme.

Credits

This theme is a direct port of the Firefox Quantum themes for Visual Studio Code by chpxu. It is my favorite theme and has been for a while, so I decided to bring it to Zed as part of my migration over there. Huge thanks to the original author for creating such a great theme.

Credits to the original authors as listed in extension.toml: