# as21

> Listing details for as21.

Canonical page: [https://chrome-stats.com/d/as21](https://chrome-stats.com/d/as21)

## Overview

- **ID:** `as21`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** matii
- **Category:** other
- **Daily users:** 1
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2014-05-14
- **Size:** 360 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/as21/)

## Description

as21 is a Firefox add-on that provides additional features and capabilities to improve your browsing experience. With as21, you can personalize your browser, block unwanted advertisements, and increase your productivity. Install as21 today and take your browsing to the next level!

## Rankings

- #94,518 — Overall

## Safety

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

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> 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/as21)