AlphaMoatによると、2026-09時点でChrome拡張機能Justdoneのユーザー数は200,000(前月比 +0%)、評価は3.7(270件のレビュー)で、9,324件のAIブラウザ拡張機能中57位、ライティングでは744件中8位です。
Justdoneとは
Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more. Communicate with confidence wherever you write online.
Justdone extension helps you write faster, clearer, and more effectively — whether you're crafting essays, sending emails, or writing reports.
Powered by advanced AI, Justdone provides instant grammar suggestions in 30+ languages, improves clarity, and adjusts tone to fit your style. It’s the go-to extension for professionals, students, and anyone looking to strengthen their online communication.
Key Features
- Multilingual Grammar Check – Instantly spot and fix grammar and spelling errors in 30+ languages.
- Smart Text Improvement – Enhance everything from single words to full documents.
- Advanced Paraphrasing – Reword sentences naturally while keeping the meaning clear.
- Fast Summarization – Grab the main points from any text in seconds and save time.
- Clarity Boost – Turn complex ideas into simple, easy-to-read language without losing meaning.
- Tone Control – Instantly shift your tone to fit any situation — from casual chats to professional emails.
How Justdone Works
ストアの説明の続きを表示▾
Justdone analyzes your text in real time and highlights grammar and style issues using color-coded suggestions. You can apply fixes with one click or view detailed explanations to understand more.
Beyond Basic Proofreading
Justdone isn’t just a grammar checker — it’s a smart writing assistant that helps you communicate clearly and confidently. With advanced AI, you can:
- Catch spelling, grammar, and punctuation mistakes.
- Identify commonly confused words.
- Simplify long or awkward sentences.
- Adjust your tone to match your message and connect with your readers.
Works Wherever You Write
Use Justdone seamlessly across the web — no copy-pasting needed. Get suggestions in real time while using your favorite tools, like:
- Google Docs – Edit essays, reports, and drafts as you type.
- Gmail and Outlook – Write clear, mistake-free emails effortlessly.
- LinkedIn – Professionally polish posts and messages.
- And more – From blogs and forums to social media and beyond.
Terms and Conditions
By installing the extension, you agree to our Terms of Service and acknowledge our Privacy Policy: https://justdone.com/legal/terms-of-use https://justdone.com/legal/privacy-policy
Join 100,000+ users writing smarter, faster, and more clearly with Justdone.
Add it to Chrome now and upgrade your writing — anytime, anywhere. Need help or have feedback? Reach us at [email protected]
拡張機能の情報
ユーザー数の推移
ライティングの人気拡張機能
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。