# Librus Average

> This extension shows grade averages hidden by Librus Synergia

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

## Overview

- **ID:** `librus-average`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Krzysztof Zdulski
- **Category:** appearance
- **Daily users:** 590
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 2.8
- **Last updated:** 2019-04-07
- **First published:** 2019-01-22
- **Size:** 878 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/librus-average/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/librus-average/privacy/](https://addons.mozilla.org/firefox/addon/librus-average/privacy/)

## Description

Librus Average is a powerful Chrome extension designed to reveal hidden grade averages on the Librus Synergia website. Many schools hide these averages, but this tool lets you easily see them again, enhancing your academic tracking experience.

The extension offers high customization for how averages are calculated, ensuring it fits your grading style. A new feature allows you to hide subjects without grades, keeping your view clean and focused. Fully open source, you can review or contribute to its development on GitHub. Available for Chrome and Opera, Librus Average is a must-have for students using Librus Synergia.

## Rankings

- #4,541 — Overall
- #120 — drag

## Permissions and access

### Permissions

- `storage`
- `https://synergia.librus.pl/`
- `https://fonts.googleapis.com/`

### Content script matches

- `synergia.librus.pl`

## Safety

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

### Analysis details

- Request access to the following domains: librus.pl, googleapis.com
- 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/librus-average)