# Umschool extension

> Small script for Umschool website

Canonical page: [https://chrome-stats.com/d/umschool-extension](https://chrome-stats.com/d/umschool-extension)

## Overview

- **ID:** `umschool-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** uslashvlad
- **Category:** appearance,other
- **Daily users:** 1
- **Version:** 2.1.1
- **Last updated:** 2020-11-25
- **First published:** 2020-05-08
- **Size:** 54 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/umschool-extension/)
- **Website:** [https://uslashvlad.github.io/archive/active/umext.html](https://uslashvlad.github.io/archive/active/umext.html)

## Description

Umschool Extension is a small script add-on for Firefox that enables opening lessons on YouTube and customizes certain interface elements for enhanced convenience during usage.

## Rankings

- #125,938 — Overall

## Permissions and access

### Permissions

- `tabs`
- `storage`

### Content script matches

- `umschool.net`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/umschool-extension)