AlphaMoatによると、2026-09時点でChrome拡張機能AI Detector & Writing Replayのユーザー数は50,000(前月比 +0%)、評価は3.8(159件のレビュー)で、9,324件のAIブラウザ拡張機能中193位、教育・研究では676件中20位です。
AI Detector & Writing Replayとは
Use this AI content detector and human writing report to understand if a document was written by a human or chat GPT. Scan for AI writing and plagiarism anywhere with Originality.ai for Chrome, the most accurate AI detector and plagiarism checker.
Accurately check for AI and plagiarism where you actually write.
Originality.ai for Chrome is the most capable tool for writing integrity, building proof, transparency, and confidence directly in Google Docs and Chrome.
✅ Excellent for students, writers, editors, teachers, and more! ✅ Proven Accuracy:
→ 99% AI detection accuracy: originality.ai/blog/ai-accuracy → 3rd-party AI detection studies: originality.ai/blog/ai-detection-studies-round-up → 99.5% plagiarism check accuracy: originality.ai/blog/plagiarism-accuracy-study → Tested on the latest LLMs: GPT-5.2, Gemini 3, and Grok 4.1 Fast
✍️ Peace of Mind for Writers and Students:
ストアの説明の続きを表示▾
Goodbye False Positives!
With ‘Watch a Writer Write,’ Writer Replay, you can show how a Google Doc was written, character-by-character, for full transparency.
Accused of using AI? Now you can prove that your article, essay, assignment, or other content is your human writing.
Prove your writing is your own + confidently bring transparency to authorship.
🤖 NEW The Most Accurate Auto-Typing Detection:
Did a human or a bot type that?
Identify non‑human typing behaviors, such as if an auto-typer was used to try and fake human-writing. Show that your work was original and human-written.
Conveniently see a Human Typing Score with the most accurate auto-typer detection and insights into whether a document appears naturally typed or automated.
Overview of Originality.ai for Chrome’s Industry-Leading Features:
→ The most accurate AI score and plagiarism score → Select your preferred AI detection model as a default → Writer Replay: ‘Watch a Writer Write’ sped-up replay → Character-by-character video replay of the writing process → See paste counts (and location) → Character count → Word count → Contributors (and their contribution ratios) → Revisions → Shareable read-only reports
What does this mean for students, writers, editors, and teachers?
✓ Prove it’s your human writing and confidently address AI accusations. ✓ Protect your writing and publishing reputation. ✓ Demonstrate academic integrity. ✓ Easily track changes, contributors, and identify authors. ✓ Watch a Writer Write: reduce false positives with replay-based proof of authorship. ✓ Stay on the same page about everyone’s contributions to a group project. ✓ Download a shareable read-only report of scan results. ✓ Built for repeat use with instant scans, simple workflow, and synced results.
Are you a student or teacher using Originality.ai for Chrome? Share your feedback: originality.ai/contact-us
How Originality.ai for Chrome Works in Google Docs: 1. Install the Chrome Extension 2. Click on the Originality.ai icon and log in 3. Start writing (or review a completed document) 4. Click ‘Scan’ to check for AI and plagiarism
How Originality.ai for Chrome Works on a Web Page: 1. Install the Chrome Extension 2. Click on the Originality.ai icon and log in 3. Navigate to a web page in Chrome 4. Click ‘Scan’ to check for AI and plagiarism (full web page or a text selection)
📰Originality.ai AI studies are featured in leading publications: The Guardian, The Toronto Star, and The New York Post.
Limitations: No AI detector is 100% accurate. We transparently share our false positive rates (AI detection false positives occur when human writing is identified as AI). Read our accuracy study for data on our latest AI detection models: originality.ai/blog/ai-accuracy
Try Originality.ai: https://originality.ai/ Terms of Service: https://originality.ai/terms-and-conditions/ Privacy Policy: https://originality.ai/privacy-policy/
拡張機能の情報
ユーザー数の推移
教育・研究の人気拡張機能
AI for teachers, right inside Google Docs, Classroom, YouTube, and more. Tell Brisk what you need and save 10+ hours a week.
+ 比較
Your ultimate knowledge and English learning tool to discover the world and upskill yourself. Translate video, websites and PDF.
+ 比較
Bring AI detection, citation checks, live essay feedback, and writing replays directly into Google Docs and your workflow.
+ 比較
Trancy provides bilingual subtitle for platforms like YouTube, Disney+, as well as AI translator for websites.
+ 比較
Automatically import flashcards and notes from any video, PDF, article, or flashcard site. Knowt is the fastest way to study.
+ 比較
Your AI research assistant for understanding scientific literature.
+ 比較Originality.aiのその他の拡張機能
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。