AlphaMoatによると、2026-09時点でChrome拡張機能Outwriteのユーザー数は20,000(前月比 +0%)、評価は4.4(113件のレビュー)で、9,324件のAIブラウザ拡張機能中317位、ライティングでは744件中20位です。
Outwriteとは
Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences. Become a better writer with Outwrite for Chrome. Our AI writing assistant is more than just a grammar checker—it helps turn your ideas into powerful sentences.
It works wherever you write online, including Gmail, Outlook, LinkedIn, Medium, and WordPress.
You can use Outwrite to paraphrase entire sentences, strengthen your vocabulary, fix passive voice, and help increase or decrease your word count.
Free features of the Outwrite Editor include:
Spell Checker
Grammar and Punctuation Checker
ストアの説明の続きを表示▾
Thesaurus suggestions
Writing statistics (including readability, grade level and word count)
French, Spanish, and English support
Upgrade to our Pro plan to access:
Paraphrasing Tool (to rewrite and restructure entire sentences)
Style suggestions
Structure suggestions (like changing passive voice to active voice)
Plagiarism Checker
It's not just Chrome—you can also use Outwrite to improve your writing using Google Docs, Word, Edge, iOS, and with our web app.
Get started with your free Outwrite account today!
Privacy Policy: https://outwrite.com/privacy Terms of Use: https://outwrite.com/terms
Over 1 million people use Outwrite for tasks like:
Editing homework or an English essay for school
Enhancing assignments for college using appropriate synonyms from our thesaurus
Checking punctuation, like commas and apostrophes
Writing clear and impactful copy for websites, ads, and social media
Refining business documents & reports
Grading an academic thesis
Rewriting text to improve SEO and readability
Teaching students how to write more effectively
You don't have to be Shakespeare or Hemingway—just use Outwrite to proofread and write like a pro.
Note - Outwrite rebranded from GradeProof in August 2020
拡張機能の情報
ユーザー数の推移
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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。