# PromptPen

> AI writing assistant for any text field. Select text, choose an action, and rewrite with AI. Supports OpenRouter, OpenAI, and more. You bring your own API key and provider — nothing is sent to our servers.

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

## Overview

- **ID:** `promptpen`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** PromptPen
- **Category:** feeds-news-blogging,language-support
- **Version:** 0.3.0
- **Last updated:** 2026-08-13
- **First published:** 2026-07-19
- **Size:** 10 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/promptpen/)

## Description

PromptPen lets you rewrite, summarize, translate, or customize any text on the web using AI. Configure your preferred AI provider and API key in the dashboard, then select text on any page to use the toolbar. Supports OpenRouter, OpenAI, Google, and Anthropic.

## Rankings

- #138,274 — Overall

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High 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 was recently updated in the past month. New updates 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/promptpen)