Ultimate Theme creator

Name: Ultimate Theme creator
Rating: 4 (16 reviews)
Author: Ramkumar K R

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.

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Features & Capabilities

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!

User Growth & Download Statistics

Add-on Design Developer Tools

By:

Daily users:

Rating:

Version:

0.2.2 Last updated: 2020-01-13

Version code:

4939741

Creation date:

2018-04-01

Risk:

Permissions:

tabs
theme

Size:

864.10KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-15

Compare stats and ranking:

Ranking

# 8,993 ▼ 67

Other rankings

#29 in create keyword 26 #143 in theme keyword 67 ▼ 1

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Ramkumar K R

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/ultimate-theme-creator/

Website:

https://github.com/ramkumar-kr/ultimate-theme-creator

User Reviews

by 敬念*****, 2025-04-01

by 远离*****, 2025-03-03

by Fi*****, 2023-09-30

View all user reviews ›

Is Ultimate Theme creator Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Ultimate Theme creator requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

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

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Ultimate Theme creator has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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