AI writing Firefox add-ons

AI writers, rewriters, paraphrasers and content generators.

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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AI writing on every store → All topics → All Firefox add-ons →
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  1. ProWritingAid↗

    by ProWritingAid · updated 2026-10-01

    Gain confidence in your writing with the best grammar checker and paraphrasing tool that works wherever you do.

    language-support v2.9.22748
    Daily users 2,378 +18 wk
    Rating 3.1 28 ratings
    Growth · week +0.8% +18

  2. Wordtune: AI Writing, Paraphrasing & Grammar Tool↗

    by AI21 · updated 2025-04-09

    With Wordtune, your AI writing companion, you can easily paraphrase, rewrite, correct grammar and more — all for free. In just a few clicks, you can turn your scattered thoughts into exactly what you

    language-support v9.16.1
    Daily users 1,337 +9 wk
    Rating 3.4 14 ratings
    Growth · week +0.7% +9

  3. Grammarly: AI Writing and Grammar Checker App↗

    by Grammarly · updated 2026-04-24

    From blank page to polished draft, Grammarly’s AI helps you write faster and stronger. Get real-time grammar fixes, tone transformations, and instant content generation right where you write in Firefo

    language-support v8.937.0
    Daily users 523,315 +2,624 wk
    Rating 4.1 3,221 ratings
    Growth · week +0.5% +2,624

  4. DeepL: AI translator and writing assistant↗

    by DeepL · updated 2026-10-02

    Stay informed, work smarter, and communicate globally without leaving your browser.

    language-support v1.101.0
    Daily users 160,541 +324 wk
    Rating 4.2 1,036 ratings
    Growth · week +0.2% +324

  5. Voila – AI Assistant, Copilot and AI Writer

    by Browser extensions · updated 2025-10-16

    Seamless personal AI assistant powered by GPT-4o to help you create, write, summarize, brainstorm, and research Get things done with a simple keyboard shortcut – Improve your writing, get answers to a

    feeds-news-blogging v1.7.9
    Daily users 2,880 +5 wk
    Rating 4.2 30 ratings
    Growth · week +0.2% +5

  6. AI Detector for text and images - Winston AI↗

    by Winston AI · updated 2026-07-22

    Winston AI is the most trusted AI detector to help identify AI generated content and images.

    feeds-news-blogging v0.0.2.6
    Daily users 1,189 +0 wk
    Rating 4.3 38 ratings
    Growth · week +0.0% avg of 14 days

  7. AI Content Shield: Block AI Mode & Overviews↗

    by AI Content Shield · updated 2026-10-01

    AI Detector and AI Content Blocker - Protect your feed with AI Content Shield: block Google AI Mode, AI Overviews, AI videos, posts, and features on YouTube, Social Media and the Web.

    privacy-security v1.1.8
    Daily users 3,050 -141 wk
    Rating 3.7 50 ratings
    Growth · week -4.2% avg of 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.