# UnderscoreTheme

> firefox theme made by underscoreangel, has a paper skeuomorphic look + old firefox colors. combine with: https://github.com/Aris-t2/CustomCSSforFx/releases for the full experience.

Canonical page: [https://chrome-stats.com/d/underscoretheme](https://chrome-stats.com/d/underscoretheme)

## Overview

- **ID:** `underscoretheme`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed (abandoned)
- **Publisher:** UnderscoreAngel
- **Version:** 1.0
- **Last updated:** 2023-04-20
- **First published:** 2023-04-20
- **Size:** 252 KB
- **Data as of:** 2026-08-02
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/underscoretheme/)
- **Website:** [https://sites.google.com/view/underscoreangel/](https://sites.google.com/view/underscoreangel/)

## Description

UnderscoreTheme is a Firefox add-on created by underscoreangel. It has a paper skeuomorphic look and old Firefox colors. To fully enjoy the theme, combine it with the CustomCSSforFx add-on, available on GitHub.

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [UnderscoreTheme v3.0.1](https://chrome-stats.com/d/underscoretheme-v3-0-1)
- [Paper Firefox Theme](https://chrome-stats.com/d/paper-firefox-theme) — 4.00 / 5
- [Simple](https://chrome-stats.com/d/simple) — 2 users, 5.00 / 5
- [Oldy firefox](https://chrome-stats.com/d/oldy-firefox)
- [Abstract Theme for Firefox](https://chrome-stats.com/d/abstract-theme-for-firefox)
- [MyTheme](https://chrome-stats.com/d/my_theme) — 5.00 / 5
- [Orange³](https://chrome-stats.com/d/orange-cubic)
- [Sublime Text 3](https://chrome-stats.com/d/sublime-text-3)
- [Firefox](https://chrome-stats.com/d/firefox1589484) — 5.00 / 5
- [Simply Theme For Firefox](https://chrome-stats.com/d/simply-theme-for-firefox)
- [Developer simple](https://chrome-stats.com/d/developer-simple) — 3 users, 4.71 / 5
- [Mozilla Firefox- Theme](https://chrome-stats.com/d/mozilla-firefox-theme) — 10 users, 5.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/underscoretheme)