Download Ad Observer

Name: Ad Observer
Author: Online Political Transparency Project at NYU

By: Online Political Transparency Project at NYU

Download Ad Observer (current and past versions) for Firefox

Latest Version: 3.2.14 Updated: 4 years ago

Ready to install?

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

View source code

492

Daily users

3.9

21 ratings

Total downloads

Available versions

You can find the current and older versions of Ad Observer 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
3.2.14	XPI · ZIP · Source code	531.88KB	2022-11-14
3.2.12	XPI · ZIP · Source code	530.76KB	2022-09-12
3.2.10	XPI · ZIP · Source code	518.59KB	2022-04-19

2022-11-14 · 0 downloads

XPI ZIP Source code

2022-09-12 · 0 downloads

XPI ZIP Source code

2022-04-19 · 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 Ad Observer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Ad Observer ZIP file from step 1. Ad Observer is now installed on your browser.