# Custom Function Runner

> Create and run custom functions on any webpage.

Canonical page: [https://chrome-stats.com/d/custom-function-runner](https://chrome-stats.com/d/custom-function-runner)

## Overview

- **ID:** `custom-function-runner`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Md. Anisur Rahman
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-08-17
- **First published:** 2025-08-14
- **Size:** 21 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/custom-function-runner/)

## Rankings

- #97,869 — Overall
- #205 — function

## Permissions and access

### Permissions

- `storage`
- `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/custom-function-runner)