# E621 Theme

> Adds the color scheme of... that website.. to Firefox! Features a clean UI, optimized for best readability; while still retaining the original E621 colors.

Canonical page: [https://chrome-stats.com/d/e621-theme](https://chrome-stats.com/d/e621-theme)

## Overview

- **ID:** `e621-theme`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kyoh
- **Category:** websites
- **Daily users:** 57
- **Weekly downloads:** 3
- **Rating:** 5.00 / 5 (9 ratings)
- **Version:** 1.0
- **Last updated:** 2021-04-02
- **First published:** 2021-04-02
- **Size:** 7.96 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/e621-theme/)

## Description

"E621 Theme" is a Firefox add-on that brings the color scheme of E621 to your browser. It features a clean and optimized UI for easy readability while retaining the original E621 colors.

## Rankings

- #15,096 — Overall
- #65 — Websites
- #164 — hd theme
- #199 — optimize
- #239 — theme

## Safety

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

- [E621 Theme - Enhanced Edition](https://chrome-stats.com/d/e621-theme-enhanced-edition) — 10 users, 5.00 / 5
- [Subtle621](https://chrome-stats.com/d/subtle621) — 6 users, 5.00 / 5
- [EEL - Purple-Pink Theme](https://chrome-stats.com/d/eel-purple-pink-theme)
- [Eh's Website Theme](https://chrome-stats.com/d/ehwebsitetheme)
- [e621 responsive](https://chrome-stats.com/d/e621-responsive) — 10 users, 5.00 / 5
- [e621 Responsive Mode](https://chrome-stats.com/d/e621-responsive-mode) — 3 users
- [eva-01-theme](https://chrome-stats.com/d/eva-01-theme) — 9 users, 5.00 / 5
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- [RainbowElixir](https://chrome-stats.com/d/rainbowelixir) — 1 users, 5.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/e621-theme)