Download Proxy Checker

Name: Proxy Checker
Author: Pixelscan

By: Pixelscan

Download Proxy Checker (current and past versions) for Firefox

Latest Version: 1.0.9 Updated: a month ago

Ready to install?

Proxy Checker is available to install from Firefox Add-ons Store and for download from this page.

View source code

502

Daily users

3.8

12 ratings

Total downloads

Available versions

You can find the current and older versions of Proxy Checker 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
1.0.9	XPI · ZIP · Source code	1.56MB	0	2026-06-01
1.0.8	XPI · ZIP · Source code	1.56MB	0	2026-05-19
1.0.6	XPI · ZIP · Source code	1.56MB	0	2026-05-05
1.0.5	Paid users only	1.14MB	0	2025-09-09
1.0.4	Paid users only	1.14MB	0	2025-08-05
1.0.3	Paid users only	1.14MB	0	2025-08-02
1.0.2	Paid users only	1.14MB	3	2023-09-09

2026-06-01 · 0 downloads

XPI ZIP Source code

2026-05-19 · 0 downloads

XPI ZIP Source code

2026-05-05 · 0 downloads

XPI ZIP Source code

2025-09-09 · 0 downloads

Paid users only

2025-08-05 · 0 downloads

Paid users only

2025-08-02 · 0 downloads

Paid users only

2023-09-09 · 3 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 Proxy Checker ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Proxy Checker ZIP file from step 1. Proxy Checker is now installed on your browser.