Chrome Web Store
126Versions
1Code reviewed

No malware found

In code review (v2026.5.6)

Our reviewer read version 2026.5.6 — the most recent version we have reviewed — and found no malicious behaviour. The version shown here has not been individually reviewed yet.

What our analysis found

GPTZero: AI Detection & Writing Tools for Google Docs, used by 200,000 people, showed no malicious code in Extension Auditor's review. Its permissions mean it can inject scripts into pages. It comes from a trusted publisher and was last updated in October 2026.

The extension is a legitimate AI detection tool that sends text to its own backend () for scanning, matches its disclosed data collection categories, and requires broad permissions for its feature set (Google Docs integration, social media text extraction). The ML model likely overfired on high manipulation counts common in large extensions; there is no evidence of data exfiltration, credential theft, or malicious behavior.

GPTZero: AI Detection & Writing Tools for Google Docs

GPTZero: AI Detection & Writing Tools for Google Docs Chrome extension security report

ID: kgobeoibakoahbfnlficpmibdbkdchap

Supported Languages

🇺🇸English

Extension Info & Metadata

Status
Active
Version
2026.10.1
Size
12.57 MB
Rating
4.2/5
Reviews
178
Users
200,000
Type
Extension
Updated
Oct 2, 2026
Category
Productivity Education
Price
Free
Featured
Yes
Visibility
Listed
Mature
No
By Google
No
Trusted
Yes
This publisherTrack record
1extension
All still listed
Scanned by Extension Auditor — Low RiskDevelopers: embed this badge to link to this report.

Publisher Contextual Analysis

Trusted
Author
https://gptzero.me
Country
US
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
Yes
Mailbox exists
Yes
Address
228 Park Ave S Pmb 66763 New York, NY 10003-1502 US
Website
Visit
Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Users
200,000

Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5

Install growth

Item
Type
Severity
Description
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
cookies
Permission
High
This permission provides full access to read and modify browser cookies. Rated High because it can steal session tokens, modify authentication cookies, and compromise accounts across websites.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk: • 19% increase: Access to sensitive domains increases potential impact • 10% increase: Early script execution enables pre-emptive content manipulation • 10% increase: About:blank access enables potential sandbox escape vectors
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
tabs
Permission
Medium
This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
http://localhost/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.gptzero.me/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.gptzero-staging.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.taile98dc.ts.net/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.growthbook.io/*
Host
Medium
Host permission — access limited to this URL pattern.
https://docs.google.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://classroom.google.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://assignments.google.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://chatgpt.com/*
Host
Medium
Host permission — access limited to this URL pattern.
Access to Sensitive Domains
Risk Factor
Medium
This extension requests access to sensitive domains: https://*.gptzero-staging.com/*, https://docs.google.com/*, https://classroom.google.com/*, https://assignments.google.com/*
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.

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About this extension

Bring AI detection, citation checks, live essay feedback, and writing replays directly into Google Docs and your workflow.

Read the publisher’s full description

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.

User reviews

Extension files

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No network indicators were extracted from this version.

Version
Size
Verdict
Findings
Permhash
2026.10.1
Latest
12.57 MBNot scanned—
1b99dc8b2a741531137610a936176c9f9d3420605e43fd6ab8e959b034047cc8
2026.10.0
12.51 MBNot scanned—
1b99dc8b2a741531137610a936176c9f9d3420605e43fd6ab8e959b034047cc8
2026.9.1
22.13 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.9.0
23.49 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.8.2
24.79 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.8.3
24.80 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.8.1
24.79 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.2.1
5.95 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.2.2
5.94 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
2026.6.5
35.06 MBNot scanned—
d081e694fa307035afbc3b130140d7c0a61d7795d2717a6bf617fed03c5d7f09
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