# JS Error Notifier

> Display JS errors in a browser popup.

Canonical page: [https://chrome-stats.com/d/js-error-notifier-sp](https://chrome-stats.com/d/js-error-notifier-sp)

## Overview

- **ID:** `js-error-notifier-sp`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lyney
- **Category:** web-development
- **Daily users:** 2
- **Weekly downloads:** 1
- **Version:** 1.0
- **Last updated:** 2025-05-14
- **First published:** 2025-05-11
- **Size:** 13 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/js-error-notifier-sp/)

## Description

JS Error Notifier is a Mozilla Firefox extension designed to help developers easily detect and identify JavaScript errors without opening the console. Whenever a JavaScript error occurs on any webpage, the extension will display a clear and concise notification in the top-left corner of the browser. This notification includes the error message, source file, and line number, helping developers quickly pinpoint issues. The notification disappears automatically after a few seconds, providing a smooth and non-intrusive user experience. This tool is ideal for debugging websites and ensuring smoother development workflows.

## Rankings

- #62,865 — Overall
- #13 — error

## Permissions and access

### Permissions

- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/js-error-notifier-sp)