# Sidekick AI

> Firefox sidebar AI that reads the page you're on and lets you chat right away—no API key needed. Use Web mode (ChatGPT, Claude, Gemini, Copilot) or API mode with web search, image OCR, and optional own keys.

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

## Overview

- **ID:** `sidekick-ai`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** woojooin
- **Category:** feeds-news-blogging,search-tools,language-support
- **Daily users:** 21
- **Weekly downloads:** 17
- **Version:** 1.2.9
- **Last updated:** 2026-09-05
- **First published:** 2026-06-02
- **Size:** 735 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sidekick-ai/)
- **Website:** [https://sidekick-site-617.pages.dev/](https://sidekick-site-617.pages.dev/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/sidekick-ai/privacy/](https://addons.mozilla.org/firefox/addon/sidekick-ai/privacy/)

## Description

<blockquote>Ask AI about the page you're viewing—right in the Firefox sidebar.</blockquote>
<strong>Sidekick AI</strong> follows the page in your active tab. Ask <em>"Summarize this article"</em> or <em>"What does this page say about X?"</em> without copying and pasting the text yourself.

<strong>Two ways to chat</strong>

<strong>API mode</strong>
Chat in the sidebar with no provider API key required. Guest use is available; sign in with Google or Microsoft to keep credits on your account.
<ul><li>Page <strong>title</strong>, <strong>URL</strong>, and <strong>extracted body</strong> are included automatically when you send a message</li><li>Optional <strong>web search</strong> for up-to-date answers (uses credits)</li><li>Optional <strong>image OCR</strong>: read up to 3 large images on the page, or paste images into the chat</li><li>Models include <strong>OpenAI</strong>, <strong>Claude</strong>, <strong>Gemini</strong>, <strong>Groq</strong>, <strong>Cerebras</strong>, <strong>Grok</strong>, <strong>Kimi</strong>, and <strong>DeepSeek</strong></li><li>On Basic and Pro you can optionally use your own <em>[<abbr title="Bring Your Own Key">BYOK</abbr>]</em> so those calls use your provider account and are not charged as Sidekick credits. Keys stay on your device and are sent only with those requests</li></ul>
<strong>Web mode</strong>
Embed the official web UIs for <strong>ChatGPT</strong>, <strong>Claude</strong>, <strong>Gemini</strong>, and <strong>Microsoft Copilot</strong>. Sign in with your existing account—no Sidekick API key required.
<ul><li>Click <strong>Summarize page</strong> to copy the current page context to your clipboard</li><li>Paste it into the chat input on the service you choose</li></ul>
<strong>Smart page reading</strong>
<ul><li>Prefers main content areas (main, article, and similar regions)</li><li>Filters navigation, ads, cookie banners, and other noise</li><li>Supports open Shadow DOM, same-origin iframes, and slow-loading pages</li><li><strong>Select a page region</strong> (Alt+Shift+R) to use only that area as context</li><li>Skips browser system pages (about:, moz-extension:, etc.)</li></ul>
<strong>Webmail support</strong>
<ul><li>Reads the open message—not the whole mailbox UI—so you can analyze intent and draft a reply</li><li>Supported services include <strong>Gmail</strong>, <strong>Outlook</strong>, <strong>Naver Mail</strong>, and <strong>Daum Mail</strong></li></ul>
<strong>More features</strong>
<ul><li><strong>Korean</strong> and <strong>English</strong> interface</li><li>Up to <strong>5 recent prompts</strong> and <strong>5 favorites</strong></li><li><strong>Markdown</strong> replies, one-click <strong>copy</strong>, <strong>save chat</strong>, and open an answer in a new window</li><li>Undock the sidebar into a <strong>pop-up window</strong></li><li>Optional <strong>Desktop AI bridge</strong> (Windows): Claude Desktop and ChatGPT Codex can read the current tab via a local MCP bridge—page content stays on this computer</li></ul>
<strong>Privacy</strong>
Settings and optional API keys are stored <strong>locally in Firefox</strong>. In API mode, your message and page context are sent to the <strong>Sidekick AI gateway</strong>, which forwards them to the model provider you selected. Full prompts are not stored as chat archives on our servers. Web mode data is handled by the embedded service under that service’s own policy.

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/26d4c80b364f52740ad072c917524b7f053e64cc233fec0dda1726e0ef020c48/https%3A//sidekick-site-617.pages.dev/privacy/" rel="nofollow">Privacy policy</a>

<strong>Support</strong>

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/df44c80a8ef41c3f6e62ee92f7aecbe132a9ec31d841de089f4bb4a4454283aa/https%3A//sidekick-site-617.pages.dev/support/" rel="nofollow">Contact / support</a>

## Rankings

- #24,232 — Overall
- #87 — ocr
- #125 — gateway
- #190 — ai
- #215 — copilot

## Permissions and access

### Permissions

- `declarativeNetRequest`
- `scripting`
- `storage`
- `tabs`
- `nativeMessaging`

### Host permissions

- `http://*/*`
- `https://*/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 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/sidekick-ai)