FontMaster Pro: Advanced Font Customizer

Name: FontMaster Pro: Advanced Font Customizer
Author: 789WIN

By: 789WIN

Customize font size, style, line spacing, and more for enhanced readability across websites.

This add-on was removed from Firefox Add-ons Store on 2026-05-13

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Features & Capabilities

Font size, family, line height, letter spacing, and text alignment customization Text and background color customization Site-specific settings Custom font upload feature Preset styles for quick application Reading mode with customizable colors Options page for advanced settings Responsive popup interface for quick adjustments

User Growth & Download Statistics

Add-on

By:

789WIN

Daily users:

Version:

1.0 Last updated: 2024-08-27

Version code:

5798432

Creation date:

2024-08-26

Risk:

Permissions:

Content scripts matches:

<all_urls>

Size:

19.03KB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-05-13

Compare stats and ranking:

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:

789WIN

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/fontmaster-pro-advanced/

Is FontMaster Pro: Advanced Font Customizer 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.

FontMaster Pro: Advanced Font Customizer requires some sensitive permissions that could impact your browser and data security. 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.
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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.

FontMaster Pro: Advanced Font Customizer may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.