Download Font Size Adjuster

Name: Font Size Adjuster
Author: Anya

By: Anya Add-on

Download Font Size Adjuster (current and past versions) for Firefox

Latest Version: 1.0 Updated: 4 months ago Removed

Ready to install?

Font Size Adjuster is available for download. Be careful when installing it.

View source code

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Available versions

You can find the current and older versions of Font Size Adjuster here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.0	XPI · ZIP · Source code	14.74KB	0	2026-05-06

2026-05-06 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Font Size Adjuster ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Font Size Adjuster ZIP file from step 1. Font Size Adjuster is now installed on your browser.