AI Detector and Human Writing Report - Originality.ai
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- Extension status: Featured
- Extension status: In-App Purchases
- Live on Store
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:
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/
Latest reviews
- Mihaela Botez
- Great customer service
- JG
- Great extension, best one I have tried. More accurate and easier to use than any other. Appreciate that it is free to use the watch a writer write feature. The auto-typer detection is really good as well.
- Ngamson Ngoruw Moyon Benato matt
- it good i really like this ideas tq.
- Dr. Robert Cooperstein
- My only issue is the lag in the chat box, worst than malware. Cannot type there, too bad, because the chat rep, Faith, provides wonderful advice, explanations, and tips.
- Paul Bryant
- Really nice extension, it's pretty impressive how well it can detect AI content. Really easy to use straight away. The free scan is great but the real power comes once you pay for credits to use on the more advanced features. Fully recommend.
- Joe Clark
- Worked perfectly for me! Very handy to use in Google Docs.
- Faith Ejang
- The interface is clean and straightforward, and the reports are clear and easy to understand. It saves me time while giving me confidence in the originality of my work. Highly recommended for writers, editors, students, and anyone who wants a reliable way to verify content authenticity.
- Alexa Fazekas
- It is incredibly easy to use and integrates seamlessly into my workflow. It makes the entire Google Docs writing process much more transparent and organized, giving me clear insights without disrupting my focus.
- Aqsa Iqbal
- This is super easy to use. It runs quickly, doesn’t slow down my browser, and makes checking content really convenient while I am working. Definitely a helpful tool if you are regularly reviewing or creating content online.
- Irla Garcia
- Very convenient for students writing in Google docs, you can easily scan your content directly from it and you also get a writing replay video of your writing :)
- Perla Medina
- Clean, fast, and useful. This Chrome extension makes it really easy for me to check AI and plagiarism for my college assignments without breaking my workflow. The results feel accurate, and it’s become part of my everyday writing routine!
- Sherice Jacob
- I work with a lot of writers, and although I'd consider myself above average at spotting AI, this tool builds on what I know and takes it to the next level. I don't have to stop what I'm doing in order to check a text for plagiarism or AI, the Chrome extension handles it, and being able to "Watch a Writer Write" is fascinating, as I can see their process as they go through it, without having to install intrusive apps on their screen.
- Jess Sawyer
- An excellent tool for detecting both actual AI-generated text and text that just *sounds* AI. As a writer who wants to make sure my original work actually sounds original, Originality.ai scans have become an essential part of my workflow.
- James
- Works so well. There is also the option for a Deep Scan, which does require more credits but is extremely helpful.
- Thomas Bongiorno
- Fantastic tool for detecting AI vs human writing. It’s been a huge help in improving my writing workflow. Highly recommend for students!
- Joshua Moshood
- This is a very handy and reliable extension, definitely worth every penny. I was honestly shocked by the amount of AI-generated “slop” I’ve been seeing in my emails, financial news articles, and even some LinkedIn posts lol. Having a tool like this makes it way easier to separate authentic content from low-quality AI content and BS.
- Alisa Taylor
- Super helpful and really intuitive to use! The AI detection and plagiarism feature is very reliable, and I especially like the Google Docs Replay feature. This is a great tool for teachers and colleges who want to maintain academic integrity. I also liked that I could test it out before subscribing.
- kris creative
- if you ain't using this in 2026, wyd??? genuinely could not live without this tool, if i had a dollar for every completely ai generated email ive received i probably wouldn't need to even have an inbox. its so easy to use, literally highlight and right click on anything and it'll tell you if it was ai generated such a lifesaver for my business when sending brand pitches, writing captions, and working on internal copy, i want to make sure my writing sounds like me and not generic AI bs, so i run literally everything through originality. if i could give 6 stars i would.
- Ahmed Ali
- This extension is essential for ensuring your content remains authentic, accurate and human. The real time detection and revision history tracking provide a level of transparency that no other tool matches. It's fast, reliable, and worth every penny for anyone who values original, high quality writing.
- Narcis Bejtic
- The most accurate AI checker I've ever used and so easy to scan any content on the web or in google docs. I use it every day in emails and writing content. This tool is a must-have!
- Sri Krishna Mannem
- I am giving this is a 1 star because it broke several MBA admissions websites on my chrome browser and I had to write to admissions offices technical teams to address this. For instance, this extension broke the websites at https://apply.chicagobooth.edu/ and https://grad-admissions.wharton.upenn.edu/. So, great on originality, but very poor on execution. I have no idea if you injecting some stuff into these critical websites and why-which raises further ethical concerns for this extension as well. For developers, by break I mean I am not able to fill in anything on the sites I mentioned. It means the sites were completely useless. As long as I have extension installed, I only get this error: "One or more fields contains incorrectly-formatted data: Value cannot be null. Parameter name: g".
- Juli R
- Not sure if it works since it keeps asking me to log in after trying 5 times...
- yaru _umi
- It helped me during school when I need to improve on my classwork. Giving me amazing and reliable feedback on my skills.
- apu alfred
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- Bert van der Hooft
- Didn't work
- Vero Furlan
- If you write in Spanish, be prepared to receive lots of false positives and waste HOURS OF LIFE trying to rewrite.
- Nirmana Dulanjala
- Outstanding Service and Powerful Tool. Highly recommend!
- Grateful Alhamdoulillah
- It doesn't work, after entering my login it keeps on asking me the same thing
- J
- Requires creating an account to use.
- p p
- Outstanding Service and Powerful Tool – A Game-Changer for Plagiarism Detection! I’ve been using Originality AI for a while now, and I must say, it's a remarkable tool for anyone serious about maintaining content integrity. The accuracy and reliability in detecting potential plagiarism are unmatched, and it provides peace of mind knowing that I can trust it to scan for issues with confidence. What truly sets Originality AI apart, though, is their exceptional customer support. I recently reached out for assistance, and I had the pleasure of working with Fernanda, who went above and beyond to help me with my inquiries. Her responses were prompt, thorough, and incredibly helpful, showing not only her expertise but also a genuine desire to ensure I had a great experience. I highly recommend both the tool and the support team at Originality AI. If you're looking for a robust, user-friendly plagiarism checker with top-notch customer service, look no further. Thank you again, Fernanda, for your outstanding help!
- FARIBA AKHAVAN
- I would like to express that the program is both very useful and accurate. Along with its practical features, I was impressed by the strong support I received in response to my questions and for guidance. I wish your team all the best.
- Kagan Cavusoglu
- I've been using Originality.ai since the beginning of my journey of my doctoral degree. And now this extension, jezz, it really works very fine! I believe that Originality will rock the place of Turnitin and iThenticate very soon!
- Cynthia Teenie
- I use it daily to detect AI Content and plagiarism. Excellent tool
- Steven
- Highly recommend!
- Abu Maik
- The AI Detector gives me peace of mind by highlighting any potential AI-written sections. The tool is easy to use, and the reports are super clear and helpful. Definitely a game-changer.
- Eddy
- t’s incredibly easy to use and has saved me so much time while reviewing content!
- Mosuf Elhudud
- It’s an essential tool for verifying whether content was written by AI or a human, which is especially important in today’s digital landscape. I highly recommend it.
- Timi Olorunfemi
- This extension is fantastic for maintaining the integrity of the content you work with.
- Tech Bros
- I’ve tried many tools for detecting AI-written content, and this one is by far the best. It’s reliable, easy to use, and does the job perfectly. I use it every day to ensure the content I create and consume is authentic
- Steve Raymond
- I was skeptical at first, but this extension does exactly what it promises. It’s easy to use, and the results are spot-on. If you want to ensure the content you are reading or working with is human-written, this tool is a must-have.
- Raphael
- I use it to easily detect AI writing, ensuring that the content I work with is genuine and engaging. It saves me
- Albert Leonora's
- I’m amazed at how well it works. It quickly identifies whether the content is written by a human or an AI. It’s a must-have for anyone who values authenticity in their content.
- Life Maroon
- As someone who works with content creation regularly, it gives me peace of mind knowing I can verify authenticity quickly. Highly recommend!
- Gabriel Ramsey
- A real time-saver
- Krzysztof Krztoń
- Doesn't work, I logged in via Google account and the extension still wants me to login.
- Obanyi Game
- This extension is good great job!
- Solomon Enya
- This extension actually standout and i highly recommend it.
- Apex Team
- This is a great extension and i really love it's perfection.
- Isah Muhammed
- I’ve used a few similar tools before, but this one is by far the best. It delivers fast, accurate results and ensures my content stays authentic.
- George akuboh
- I tried the Originality.ai extension, and it was everything I needed. It detected any AI writing with precision, and the report was easy to understand.