Simplify AI（Chrome 拡張機能） vs Simplify: Text Simplifier

QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.

HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.

30以上の言語に対応するAI文法・スペル・スタイルチェッカー

ブラウザで使えるワンクリック AI アシスタント

Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.

paraphrasing.io is a browser-based AI paraphrasing tool that rewrites essays, emails, sentences, and paragraphs in seven modes, backed by a suite of related writing utilities.

書き換え・ヒューマナイズ・盗用除去に対応するスペイン語AIパラフレーズ

機械的な文章を自然に整える無料AIヒューマナイザー

無料・オープンソースYouTube・Google・あらゆるページをAIで無料要約

ブラウザ上でAIによる要約・保存・執筆をまとめて

モード・トーン・関連ツールを備えたAI言い換え＆ライティングスイート

Plagiarism Remover is a free online tool that rewrites pasted text or uploaded documents to reduce duplication, offering four modes plus multilingual support.