# GNU LibreJS 7.0 alpha

> Only allows free or trivial Javascript to run. Allows scripts to be whitelisted and blacklisted.

Canonical page: [https://chrome-stats.com/d/gnu-librejs-7-0-alpha](https://chrome-stats.com/d/gnu-librejs-7-0-alpha)

## Overview

- **ID:** `gnu-librejs-7-0-alpha`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** NateN1222
- **Category:** other
- **Version:** 7.102resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-10-30
- **Size:** 164 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/gnu-librejs-7-0-alpha/)

## Description

GNU LibreJS 7.0 alpha is a webExtensions port of LibreJS that blocks non-free Javascript code from running unless it is considered trivial. It allows scripts to be whitelisted and blacklisted. Discover why non-free Javascript is harmful in Richard Stallman's essay.

## Rankings

- #145,141 — Overall

## Permissions and access

### Permissions

- `contextMenus`
- `webRequest`
- `webRequestBlocking`
- `activeTab`
- `notifications`
- `storage`
- `tabs`
- `<all_urls>`

## Safety

- **Risk impact:** High 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 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/gnu-librejs-7-0-alpha)