plexiglass

Name: plexiglass
Author: Madalyn Parker

This add-on is meant to help web developers challenge themselves to manually test their pages for accessibility. It adds options to turn off mouse interactions and add an opaque overlay to pages to encourage keyboard and screen reader testing.

Download

Install

Features & Capabilities

By installing plexiglass on a page, you can still see the page without being able to "touch" it with a mouse.

With mouse interactions turned off, you can challenge yourself to navigate pages using only the keyboard. With the screen overlay on, you will have to rely on a screen reader to use the page (NOTE: this works best on Windows).

This add-on is inspired by Marcy Sutton's no-mouse-days library.

User Growth & Download Statistics

Add-on

By:

Madalyn Parker

Daily users:

Version:

1.0 Last updated: 2020-01-10

Version code:

4938049

Creation date:

2020-01-09

Risk:

Permissions:

activeTab
cookies
<all_urls>

Size:

15.05KB

Email:

he*****@madalyn.dev

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-15

Compare stats and ranking:

Ranking

# 132,911 ▲ 3,127

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Madalyn Parker

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/plexiglass/

Email:

he*****@madalyn.dev

Website:

https://github.com/madalynrose/plexiglass/tree/master/mozilla-plexiglass

Is plexiglass Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

plexiglass requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

plexiglass is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****