Gorby vs GrammarBot

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.

ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.

GPTZero is an AI detection platform for identifying machine-generated text. It combines a text detector with a Chrome extension, a plagiarism checker, writing-process verification, and educator-focused classroom tools.

学術校正・盗用チェック・AI ライティングツールを一つの場所に

1回のスキャンでAI検出・盗用チェック・コンテンツ品質評価を完了

ProWritingAid is a writing platform that combines line-level grammar and style checking with planning, manuscript analysis and story critique tools aimed at novelists, students and professional writers.

文単位の分析に対応した多言語 AI 検出ツール

可読性と文法のフィードバックで、力強く明快な文章を

Type.ai is an AI writing assistant and full document editor for long-form creative writing, built for authors, novelists and screenwriters who need to draft and revise book-length work in one place.

特化型Trinka is a privacy-first AI writing assistant built for academic and technical writing. Beyond grammar, it handles paraphrasing, consistency checks, file proofreading for Word and LaTeX, citation formatting and quality checks, plagiarism and AI detection, journal finding, and translation across 30+ languages.

特化型Word と Overleaf に直接統合された、学術英語のためのAIライティングと校正

無料のオンライン文法・スペル・句読点チェッカー