CRX id
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Description from extension meta
Bring AI detection, citation checks, live essay feedback, and writing replays directly into Google Docs and your workflow.
Image from store
Description from store
The GPTZero Extension is the best solution for enhancing critical thinking and human writing, as recently featured in The New Yorker, New York Times, and Harvard Business Review.
The new Google Document experience is custom built for teachers, students, and researchers. It includes four new powerful features:
(1) Live AI detection checks instantly as you write
(2) Customizable feedback and writing comments in Google Docs
(3) Writing video replay and report, with a new typing pattern analysis
(4) Bibliography, citation, and a research-focused fact check
➤ What is our writing video replay?
GPTZero’s Writing Replay brings your Google Docs writing process to life, showing exactly how a piece was written, edited, and pasted. Now supporting multiple editors, switch to see how different writers contributed to the final document.
➤ What makes the GPTZero Writing Report different?
Unlike other writing replay solutions like Draftback, Brisk Replay, Grammarly Authorship, or Turnitin Clarity, the GPTZero Writing Report includes:
• Multi-user detection: See how much each writer contributed by percentage.
• Instant replay: Fast-loading, high-resolution writing playback.
• Activity insight: Identify frequent edits, pastes, and writing bursts.
• Human vs. AI analysis: Built-in AI detection flags large pastes and unnatural text.
• Typing pattern insights: Our proprietary algorithm uncovers human typing behaviors.
• Security: Enterprise grade data security and privacy, SOC2, and FERPA compliance.
➤ How does GPTZero writing and typing analysis work?
GPTZero’s first-of-its-kind natural typing analysis constantly runs AI detection on large copy-pastes, and layers a proprietary algorithm trained on millions of documents that identifies human typing and natural editing patterns.
➤ What is GPTZero Bibliography and Source Check
Check writing for AI-hallucinated and inaccurate bibliographies, uncited claims, and plagiarism. Then receive suggestions to improve sources and citations.
➤ What is GPTZero Writing Feedback
Fully customize giving feedback by uploading a rubric and assignment details and specifying the focus. Feedback is live-drafted directly into Google Docs comments for convenience.
➤ How can teachers integrate GPTZero into a course?
Thousands of educators have added GPTZero directly into their syllabus as an assistant for students during their writing process.
[5m read] From Catching to Coaching, How One Professor Added GPTZero to the Classroom: https://gptzero.me/news/from-catching-to-coaching-how-one-professor-added-gptzero-to-the-classroom/
GPTZero is committed to supporting classroom teaching. This summer, 3500+ educators participated in our Teaching Responsibly with AI webinar series. We’re also the official AI adoption partner for the American Federation of Teachers, and work closely with graduate schools of teaching including the University of Virginia and Penn State to co-develop GPTZero Writing Process tools for modern writing pedagogy.
Latest reviews
- (2025-08-02) Ashton Cofer: Very helpful in understanding the originality and process of written work
- (2025-07-31) Nicolas Garfinkel: Updated: It works great. Just need to restart browser after installing. Old: Scanning doesn't seem to work. Chrome: Version 138.0.7204.169 (Official Build) (64-bit)
- (2025-07-31) Jason Kim: This awesome man, really improved my writing and helped me so much. 100 percent recommend for any student.
- (2025-07-30) Xi L: really great tool to do AI live detection!!
- (2025-07-30) Kevin Yang: Great tool!
- (2025-07-30) Anjali Sukanya: very resourceful for anyone doing research work or content writing related work
- (2025-07-30) JoHo: This was a life saver, I got falsely accused for using AI on a paper and this proved my innocence!
- (2025-07-29) Austin Calvert: This is exactly what I was needing for school. It has a video of my writing process to prove I was human to teacher and I can scan to see what words/parts of my text appears as ai. Also it is very easy to use! Thank you GPTZero!!
- (2025-07-29) Arun Gandlur: I'm sure the best use case for this is in Education. But I'm loving the feature where I can see how my document evolved. Nice tool!
- (2025-07-29) Si Jia Wen: Really great for writing!
- (2025-07-28) Bernardo BQ: they've done it again ..
- (2025-07-28) Adam Admin: Good app and very user friendly. Will recommend to other teachers
- (2025-07-28) Tom Teacher: I love the Google Classroom integration. The live AI scan feature makes grading so fast
- (2025-07-28) Test User: Dang this tool is awesome. Writing video is probs the best I've ever used
- (2025-07-28) Joseph Zakielarz: The best chrome extension for teachers! Writing replays and ai detection built right into Google Docs.
- (2025-07-28) Sally Student: Great extension for Google Docs. Useful for verifying my work is human
- (2025-07-28) Tammy Teacher: Great tool for teachers in order to understand the writing process in Google Docs. Love being able to get a typing score without having to watch the entire video
- (2025-07-28) Hriday Kemburu: highly recommend, everything you love about gptzero everywhere you go online starting with google docs!
- (2025-07-28) Marc Willows: I tend to write a lot by hand in class, and copy it over to my computer. Being able to detect where I forgot to add citations, and help search for these is a game changer
- (2025-07-28) Michael Yu: peak
- (2025-07-28) Ei Thazin: I was looking for a tool that can tell me what's AI and what's human written very reliably.. I'm a skeptic since a lot of the tools out there are not very accurate. I tried GPTZero on a whim and was actually impressed that it was able to detect writing that was AI more often than other detectors like Scribbr, Originality..etc couldn't get right. Trying out the writing features too that compares to other tools like grammarly and quillbot
- (2025-07-28) Midhun D: The writing playback on Google docs and AI check on any webpage are great features. Saves so much of my time as a teacher.
- (2025-07-28) Madison Dinaso: I highly recommend this convenient and useful tool! The google docs integration is a game-changer, I also love being able to scan online content directly and see what is AI generated.
- (2025-07-28) Steph M: a complete game-changer! i use this every day
- (2025-07-28) Andrew Wise: Its useful to know if the content I am reading online was actually written by real humans. You can highlight an article or blog and then click one button and get the human probability score
- (2025-07-28) Sawyer: Very quick and useful. Several times it confirmed what I suspected was Al-generated content. Love being able to scan directly on whatever page I'm on!
- (2025-07-27) Arin Champati: Super helpful!! Love the replay analysis feature!
- (2025-07-27) Besart Ç.: I love it -- amazing work GPT Zero team!!!
- (2025-07-27) TigerLaunch Princeton Entrepreneurship Club: The best Google Docs integration I've used so far
- (2025-07-27) Luke Sanborn: This is such a time saver! So much better than Draftback for Google Docs
- (2025-07-27) Nigel Thomas Roy: This extension is super cool, the tight integration with Google Docs is so convenient and not having to leave my doc is so nice! Highly recommend!
- (2025-07-26) Paul Esau: Chrome integration has made my use of GPT Zero's scan features so much more convenient! Three clicks is all it takes to know if a blog or article was written by AI!
- (2025-07-26) Angela Zhan: This is a helpful extension to get feedback during writing. The replay function is really exciting, and is also able to see the split between students during group projects.
- (2025-07-25) Evan Chen: useful tool, highly recommend
- (2025-07-25) Anne Xu: The typing pattern analysis is so cool! Super useful & no other tool out there does it
- (2025-07-25) Anish Lahiri: Love the writing replay video! So cool to analyze my own writing process.
- (2025-07-25) ultradan123: This is such a time saver!!!! It really helps my writing be the best it can be, it is always by my side helping and encouraging me.
- (2025-07-25) Tina Liu: Love it! Works great on Google Docs, highly recommend.
- (2025-07-25) Philip Pan: This was great!
- (2025-07-07) Stephanie Oh: This extension is so convenient for when I write since I can easily scan anytime.
- (2025-06-17) Tom Grice: All it does is link to the GPTZero dashboard. Does literally nothing - whats the point in this?
- (2025-05-27) Alejandro Gartner: I'm incredibly impressed with this software. It's a must-have if you want your writing to be genuinely original. Use it for anything—work, creative writing, or class assignments—and you'll never face issues with AI detection or plagiarism again. give it a go!
- (2025-04-17) Brett Apple: I wish they would provide the ability to give 0 or negative stars. This extension is wholly unreliable. The Share button does not function most of the time and consistently fails due to unknown errors. Do not waste your time with this extension or GPTZero for that matter. Google its reliability as an AI checker.
- (2025-04-13) Anonymous A.: Was great, but no longer working for some reason. 1/5.
- (2025-01-08) Goat: Decent, google docs feature is good but sharing does not work, it says it generated a link, but no link appears, the link in the top search bar does not work as well, defeats my purpose of downloading
- (2024-11-09) Julian Elias: Update to the update below - Nov '24 Alex contacted me and refunded around $65. I've been using GPTZero Origin in Chrome pretty regularly for the past year. It's helpful. While it may not be 100% accurate every time, in my opinion it's reliable. I make sure my students know I use it to scan their essays, papers, etc, and I'd say that knowledge deters many of them from plagiarizing. I also tell my students they should use the free version of GPTZero to check their work before they submit it. All in all, I'm glad to have Origin at my disposal. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Update - November 2024 I upgraded to the Premium plan. It's supposed to cost $155.88. https://gptzero.me/pricing From their website, here are the prices: Essential = $99.96 annually Premium = $155.88 annually Professional = $299.88 annually Yesterday GPTZero took $192 out of my bank account - for the Premium plan, which costs $155.88. This doesn't make sense. None of the plans cost $192. I sent multiple emails asking for an explanation but have received only an auto response. Very frustrating and disappointing. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I have a subscription for which I paid $120 to GPTZero in November 2023. I don't really know which tools or features I'm able to access compared to non-subscribers. Sometimes Origin seems to work well, but other times it has stopped working after approximately ten minutes and given me this message: "You have exceeded 150 uses per hour." I don't think I ever "exceeded 150 uses per hour," especially not when I was using Origin for only 10-15 minutes at a time. In a nutshell, I like Origin - but I've had some frustrating experiences with it over the past six months.
- (2024-11-07) Anthony Guijarro: works okay for what it's intended for but is overall a broken extension. it breaks a lot of website code, especially for device theme related stuff which is horrible for accessibility. would recommend setting this to only access site data on click in your browser extension settings
- (2024-08-30) Jessica S. (darkocean): Doesn't work I wanted to see what it thought of my story but won't check it on royal road. Make it compatible with all websites, thank you much.
- (2024-08-14) Pierre Maroun: top
- (2024-08-01) Mark Kaplowitz: I have found Origin by GPTZero to be a very useful tool when assessing student work. I like that I can right-click on any type of student writing that I receive in my LMS and have an evaluation generated that breaks down how much each sentence contributes to the determination of AI vs. human contribution. I like that I can download a pdf of the evaluation. I like that the evaluation not only claims what percentage of a work is AI-generated, but also assigns a degree of confidence in that evaluation. And, frankly, GPTZero's evaluation of student writing aligns with my intuitive evaluation roughly 90% of the time, so it's nice to have GPTZero in my corner, even if it's only a probabilistic assessment that cannot explain how it reaches its determinations.