LockDown Browser: AP Classroom Edition

LockDown Browser is a custom browser that locks down the exam environment within specific learning and assessment systems

LockDown Browser: AP Classroom Edition is available to install from Chrome Web Store and for download from this page. It has 5,000,000+ users The latest version is 0.4.00.04, and it was published 10 days ago.

View source code

Total download count: 73 (Only count downloads from Chrome-Stats)

All available versions

You can find the current and older versions of LockDown Browser: AP Classroom Edition here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
0.4.00.04	CRX · ZIP · Source code	197.63K	22	2025-03-10
0.3.00.085	Paid users only	1.10M	37	2024-12-16
0.3.00.055	Paid users only	1.16M	10	2024-09-11
0.3.00.054	Paid users only	1.16M	2	2024-04-04
0.3.00.041	Paid users only	1.14M	2	2024-02-08

Install CRX file

An CRX file is the file format used for distributing and installing browser extensions in Google Chrome, Microsoft Edge, and other Chromium-based browsers. These extensions add functionalities and features to the Chrome browser, enhancing user experience by integrating additional tools directly into the browsing interface. Similar to an executable file, a CRX file contains all the components needed for an extension to run, including JavaScript code, images, CSS files, and other resources.

Option 1: The easy way (for Windows users only)

Download and run chrome-stats.exe file on your PC. This method will allow you to install Chrome extensions directly from chrome-stats.com in one click. You only need to do this once!
Type in chrome://restart in the URL bar to restart the browser for the changes to take effect.
Download and install the LockDown Browser: AP Classroom Edition CRX file

Option 2: Advanced method

Download LockDown Browser: AP Classroom Edition CRX file
NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to use option 1, or download the ZIP file instead.
In the URL bar, go to chrome://extensions
Enable Developer mode
Drag and drop the downloaded LockDown Browser: AP Classroom Edition CRX file into the Extensions page
When prompted, click Add extension to install LockDown Browser: AP Classroom Edition.

Install ZIP file

Download and unpack the LockDown Browser: AP Classroom Edition ZIP file to a directory of your choice.
In Chrome browser, go to chrome://extensions
Enable Developer mode.
Click on the Load Unpacked button.
Select the directory of with the unpacked LockDown Browser: AP Classroom Edition ZIP file from step 1. LockDown Browser: AP Classroom Edition is now installed on your browser.