Download StackOnlineTools: All-in-One Online Tools

Name: StackOnlineTools: All-in-One Online Tools
Author: stackonlinetools.com

By: stackonlinetools.com Add-on

Download StackOnlineTools: All-in-One Online Tools (current and past versions) for Firefox

Latest Version: 1.2.5 Updated: 8 days ago

Ready to install?

StackOnlineTools: All-in-One Online Tools is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Available versions

You can find the current and older versions of StackOnlineTools: All-in-One Online Tools 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	Timestamp
1.2.5	XPI · ZIP · Source code	151.06KB	2026-09-07
1.2.0	XPI · ZIP · Source code	145.55KB	2026-09-06
1.1.3	XPI · ZIP · Source code	100.29KB	2026-01-20
1.0.2	Paid users only	127.87KB	2025-12-18

2026-09-07 · 0 downloads

XPI ZIP Source code

2026-09-06 · 0 downloads

XPI ZIP Source code

2026-01-20 · 0 downloads

XPI ZIP Source code

2025-12-18 · 0 downloads

Paid users only

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 StackOnlineTools: All-in-One Online Tools ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the StackOnlineTools: All-in-One Online Tools ZIP file from step 1. StackOnlineTools: All-in-One Online Tools is now installed on your browser.