# overdodactyl/ShadowFox

A universal dark theme for Firefox

Repository: https://github.com/overdodactyl/ShadowFox
Canonical: https://ross.abutalabs.com/products/shadowfox
Homepage: https://overdodactyl.github.io/ShadowFox/
Language: JavaScript
License: MIT
License Family: permissive
Topics: firefox, dark, usercontentcss, userchromecss
Last push: 2022-12-07T18:40:10+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3200, "days_push": 1365, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1304, forks 57 (observed 2026-08-28T04:04:18.537883+00:00)

## What it is
ShadowFox is a universal dark theme for Firefox built with userChrome.css and userContent.css, styling the entire browser UI, protected about: pages, and 40+ popular extensions. It is installed and updated via a separate cross-platform updater tool and is easily customizable.

## Use cases
- make firefox fully dark themed
- dark theme for about:config and about:addons pages
- style firefox extensions like ublock origin dark
- reduce eye strain in firefox at night
- customize firefox userchrome css colors

## When to choose
- you want a complete dark theme covering Firefox UI, protected pages, and extensions
- you want an easily customizable theme with an installer/updater

## When to avoid
- you use a browser other than Firefox
- you want a simple extension-based theme without touching profile files
- you need actively maintained support for the latest Firefox versions

## Facets
- artifact type: plugin
- maturity: maintenance
- function: theme, ui-components
- domain: browser-extensions, web-design, privacy
- platform: browser, cross-platform
- tags: firefox, userchrome-css, dark-theme, css, theming, desktop

## Member repositories
- overdodactyl/ShadowFox (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:18.537883+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:51:08.850552+00:00, confidence not recorded.
  - readme: https://github.com/overdodactyl/ShadowFox (fetched 2026-08-28T04:04:18.537883+00:00, sha 0f5ff6aad84b)
  - homepage: https://overdodactyl.github.io/ShadowFox/ (fetched 2026-08-29T12:09:22.053670+00:00, sha 0cd0c770d1ab)
- Data as of 2026-08-30T08:39:29.467469+00:00.