AI assistant Firefox add-ons

Chatbots and assistants built on large language models - ChatGPT, Claude, Gemini and the tools around them. 1,991 live add-ons carry the topic.

Tags come from each listing's name, category and description, read in English: a listing written in another language is tagged only where it uses the English words.

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  1. ChatGPT in Sidebar↗

    by All In AI · updated 2026-05-20

    ChatGPT in the sidebar: Ask any question about the page you visit.

    Appearance v2.0.4
    Daily users 5,274 +401 wk
    Rating 4.9 38 ratings
    Growth · week +401 weekly avg over 14 days

  2. Access Anthropic's Claude from Sidebar!↗

    by Jadon Mason · updated 2026-07-13

    Chat with Claude AI directly in your browser sidebar. Summarize articles, explain code, translate pages, and get instant answers without switching tabs.

    Appearance v3.0.1
    Daily users 5,272 +249 wk
    Rating 4.5 25 ratings
    Growth · week +249 weekly avg over 14 days

  3. ChatGPT in Sidebar↗

    by semanticdata · updated 2025-09-05

    Displays ChatGPT in the sidebar, provides customizable keyboard shortcut and toggle button.

    Search Tools v1.0.4
    Daily users 7,209 +161 wk
    Rating 3.9 16 ratings
    Growth · week +161 weekly avg over 14 days

  4. AI Chat Exporter - Free, Private, OpenSource↗

    by Covai Labs · updated 2026-10-06

    Privacy-first, 100% local tool to export or transfer AI chats from ChatGPT, Claude, Gemini, DeepSeek, Perplexity and 15+ models to Markdown, JSON, HTML, PDF, Word, PNG, or directly into Obsidian, Logs

    Web Development v1.21.0
    Daily users 1,504 +145 wk
    Rating 4.5 11 ratings
    Growth · week +145 weekly avg over 11 days

  5. ТУБЕРНЕТ - Доступ к любимым сервисам↗

    by DevFusion · updated 2026-09-29

    ТУБЕРNET - VPN и прокси для YouTube, ChatGPT, Claude, Gemini, Instagram, Facebook, X, Discord, Threads, RuTracker, Rutor, Roblox, Telegram, WhatsApp, Spotify, Snapchat, Ficbook, Proton, Ютуб, Инстагра

    Web Development v5.3.9
    Daily users 5,102 +131 wk
    Rating 4.7 98 ratings
    Growth · week +131 weekly avg over 14 days

  6. Claude Usage Tracker↗

    by lugia19 · updated 2026-10-10

    Helps you track your claude.ai usage caps based on tokens sent, and syncs across devices using firebase.

    Appearance v6.1.3
    Daily users 4,578 +82 wk
    Rating 4.8 47 ratings
    Growth · week +82 weekly avg over 14 days

  7. AI Exporter - Gemini to PDF & Sync to Notion↗

    by Colin · updated 2026-05-26

    Export conversations from 10+ AI platforms, including ChatGPT, Claude, Gemini, Google AI Studio, Perplexity, Grok, DeepSeek, and more. Save as PDF, image, TXT, Markdown, or export directly to Notion —

    Download Management v4.1.3
    Daily users 4,776 +73 wk
    Rating 4.2 51 ratings
    Growth · week +73 weekly avg over 11 days

  8. Copilot Launcher Button↗

    by SYS64738 · updated 2024-02-19

    A very simple launcher that adds a Copilot button to the toolbar. When you click the button, the Microsoft Copilot website will open in a new tab.

    Search Tools v1.0
    Daily users 7,863 +71 wk
    Rating 4.0 18 ratings
    Growth · week +71 weekly avg over 14 days

  9. Better DeepSeek↗

    by EdgeTypE · updated 2026-10-09

    Enhanced UX layer for DeepSeek with hidden prompts, tools, memory, document generation, and long-work packaging.

    Search Tools v0.1.15
    Daily users 1,139 +71 wk
    Rating 5.0 17 ratings
    Growth · week +71 +6.8%

  10. Omnibox Search with Anthropic↗

    by Chloe for Claude · updated 2026-09-17

    Set Claude as default search, use omnibox keyword clau, ask from selected text, and optionally send claude.ai new-chat links to Google instead.

    Search Tools v3.3.8
    Daily users 4,175 +70 wk
    Rating 5.0 10 ratings
    Growth · week +70 weekly avg over 14 days

    Unrated listings show no rating rather than zero — the store renders 0 out of 5 for never-rated items, and storing that as 0.0 would drag every category average down. Blank install counts are equally real: themes never show a count, and many small extensions don't either. Delisted listings are excluded from these views but retained in the database.