# Ultimate Theme creator

> Create and share your ultimate color theme for firefox with the highest level of customization possible. Select your preferred color for various parts of the browser UI to try instantly. This extension is powered using the theme API for Firefox.

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

## Overview

- **ID:** `ultimate-theme-creator`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ramkumar K R
- **Category:** appearance,other,tabs
- **Daily users:** 150
- **Weekly downloads:** 2
- **Rating:** 4.00 / 5 (16 ratings)
- **Version:** 0.2.2
- **Last updated:** 2020-01-13
- **First published:** 2018-04-01
- **Size:** 864 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ultimate-theme-creator/)
- **Website:** [https://github.com/ramkumar-kr/ultimate-theme-creator](https://github.com/ramkumar-kr/ultimate-theme-creator)

## Description

## Ultimate Theme Creator

Ultimate Theme Creator is a Firefox extension that allows users to craft personalized color themes for their browser UI with unparalleled customization. Select your favorite colors for various interface parts instantly and give your theme a unique name.

### Key Features
- **Theme Crafting:** Choose colors for different UI components to create your ideal browser theme.
- **Theme Sharing:** Save and share your themes through JSON data stored in a dedicated box.
- **Theme Application:** Easily apply themes by pasting JSON theme data.
- **Reset Option:** Restore Firefox to its default theme with a single click.

### Important Notes
- Themes are not stored persistently; refreshing or closing the page results in loss of unsaved themes.
- To preserve themes, export the JSON data from the grey box.
- Resetting always reverts to Firefox's original default theme, regardless of previous themes.

Enhance your Firefox browsing experience by designing and sharing custom themes with Ultimate Theme Creator!

## Rankings

- #9,586 — Overall
- #31 — create
- #152 — theme

## Permissions and access

### Permissions

- `tabs`
- `theme`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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