# Timvde/UserChrome-Tweaks

A community maintained repository of userChrome.css tweaks for Firefox

Repository: https://github.com/Timvde/UserChrome-Tweaks
Canonical: https://ross.abutalabs.com/products/userchrome-tweaks
Language: CSS
License: GPL-3.0
License Family: copyleft
Archived: true
Last push: 2021-06-05T17:17:31+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3287, "days_push": 1915, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1243, forks 113 (observed 2026-08-28T04:04:06.566284+00:00)

## What it is
A community-maintained collection of small userChrome.css tweaks for customizing the Firefox user interface. Each file contains a single specific tweak that users can combine to build their own custom Firefox appearance.

## Use cases
- customize firefox ui with css
- hide or restyle firefox toolbar elements
- find userchrome css snippets for firefox
- make firefox tabs smaller or move them
- apply community firefox interface tweaks

## When to choose
- you want to customize Firefox's interface with CSS
- you prefer small composable tweaks over full themes
- you use Firefox Nightly or recent Firefox versions

## When to avoid
- you want a complete prebuilt theme
- you use an older Firefox version, as tweaks track Nightly
- you need guaranteed compatibility between all tweaks

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: css-framework, theme, developer-tools
- domain: browser-extensions, web-design, developer-tools
- platform: browser, cross-platform
- tags: firefox, userchrome-css, browser-customization, snippets, community-maintained

## Member repositories
- Timvde/UserChrome-Tweaks (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:06.566284+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 2026-08-30T05:08:18.151831+00:00, confidence not recorded.
  - readme: https://github.com/Timvde/UserChrome-Tweaks (fetched 2026-08-28T04:04:06.566284+00:00, sha c151b32cd73a)
- Data as of 2026-08-30T08:39:29.467469+00:00.