# JSloader

> Store JS scripts to be run for a given set of sites. For more info https://github.com/szz-dvl/JSLoader

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

## Overview

- **ID:** `jsloader`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox user 13244975
- **Category:** web-development,privacy-security
- **Daily users:** 4
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 2.7resigned1
- **Last updated:** 2024-04-25
- **First published:** 2018-08-14
- **Size:** 4.29 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/jsloader/)

## Description

JSloader is a powerful Firefox add-on that enables users to store and run JavaScript scripts for a given set of websites. With JSloader, users can easily customize the behavior and appearance of their favorite websites by adding and managing their own scripts.

## Rankings

- #47,745 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `cookies`
- `notifications`
- `<all_urls>`
- `downloads`
- `activeTab`
- `proxy`
- `nativeMessaging`

### Content script matches

- `*`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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/jsloader)