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Chrome Extension
Manifest V3
Privacy-First

AI Detector Chrome Extension

Instantly detect AI-generated content, humanize text, check plagiarism, and access AIDetector.cx directly from your browser — without leaving the page.

4.9★
2,400+ reviews
180K+
and growing daily
1.0.7
Released May 2025
May 2025
Manifest V3
How It Works

Your Browser Workflow, Supercharged

From web browsing to AI analysis in under three seconds — no tab-switching, no copy-pasting.

Browse any webpage
Highlight text
Click extension
Instant AI analysis
Humanize or detect
Continue browsing
Core Features

Everything You Need, Inside the Browser

Twelve purpose-built capabilities packed into a single lightweight extension.

One-click AI Detection
Highlight any text and instantly score AI vs. human probability with detailed sentence-level breakdowns.
Instant Humanizer
Rewrite selected text in four modes — Light, Balanced, Advanced, Stealth — without leaving the page.
Plagiarism Checking
Run a plagiarism check on any highlighted passage directly from the extension popup.
Right-click Context Menu
Detect or humanize any selected text via the browser context menu — zero extra clicks.
Popup Analysis
Full-featured popup with score gauges, sentence highlights, and one-click actions.
Current Page Analysis
Analyze the entire visible page body with one tap — ideal for fact-checking and editorial review.
Dark Mode
Seamless dark mode that matches your browser theme for comfortable low-light use.
Fast Performance
Sub-200 ms response times. Non-blocking background processing keeps browsing smooth.
Secure Processing
All text is encrypted in transit. We never store your browsing content.
Manifest V3
Built on the latest Chrome extension standard for better security, privacy, and longevity.
Minimal Permissions
Only requests the permissions it actually needs. No host-based snooping.
Automatic Updates
Chrome auto-updates the extension silently. You always have the latest detection models.
Who Uses It

Built for Every Productivity Workflow

Wherever you work on the web, the Chrome AI Detector extension keeps up.

Students

Verify your own drafts before submitting to avoid false positives from plagiarism detection tools at your institution.

Teachers & Professors

Quickly audit student submissions from any LMS directly in the browser without copy-pasting to external tools.

Researchers

Spot AI-assisted sections in literature or peer submissions and flag them in seconds while staying in your workflow.

Writers & Editors

Validate your own content quality and humanize passages without breaking your creative flow.

Recruiters

Scan cover letters and application essays on the fly during your review workflow.

Publishers

Audit freelancer submissions across email, Google Docs, and web-based editors instantly.

SEO Professionals

Ensure all content meets quality standards before publishing to avoid Google's helpful content penalties.

Agencies

Review client content and AI-generated drafts at scale without switching between tools.

Compatibility

Supported Browsers

Any Chromium-based browser works today.

Chrome
Full support
Edge
Full support
Brave
Full support
Opera
Full support
Firefox
Q3 2025 roadmap
Permissions Transparency

We Only Ask For What We Need

Every permission the extension requests is explained below — in plain English.

activeTab

Read the content of the current tab only when you click the extension icon — we never read tabs in the background.

contextMenus

Add "Detect AI" and "Humanize" options to your right-click menu for fast inline access.

storage

Save your API key and preferences locally in your browser — nothing is sent to our servers except analysis requests.

notifications

Optionally show a desktop notification when background analysis completes.

scripting

Inject the results overlay into the page so scores appear inline without opening a new tab.

Installation

Up and Running in Under a Minute

Five steps from zero to detecting AI on any page.

01

Open Chrome Web Store

Click "Install Chrome Extension" or search "AIDetector.cx" in the Chrome Web Store.

02

Click Add to Chrome

Hit the blue "Add to Chrome" button and confirm the permissions prompt.

03

Pin the Extension

Click the puzzle icon in your toolbar and pin AIDetector.cx for one-click access.

04

Sign In

Click the extension icon and sign in with your AIDetector.cx account to sync your Pro plan.

05

Start Detecting

Highlight any text, right-click, or tap the popup to run instant AI analysis.

Zip file for Developer Mode — unzip, go to chrome://extensions/, enable Developer Mode, click Load Unpacked.

Keyboard Shortcuts

Power-User Shortcuts

Customizable via chrome://extensions/shortcuts

Detect selected text
AltShiftD
Humanize selected text
AltShiftH
Check plagiarism on selection
AltShiftP
Analyze full page
AltShiftA
Open extension popup
AltShiftO
Open settings
AltShiftS
Testimonials

Trusted by Professionals Worldwide

"I can audit student submissions directly inside the LMS without copy-pasting anything. The right-click menu alone saves me 30 minutes per week."

Jordan M.
University Lecturer

"We review freelancer drafts in Gmail and Google Docs every day. The extension makes AI review invisible in our workflow."

Priya K.
Content Agency Owner

"The page-level scan catches AI sections I'd miss in a quick read. Essential for anyone managing content at scale."

Carlos R.
Senior SEO Strategist

"Privacy-first design matters to me. Manifest V3 and minimal permissions gave me confidence to install it on my work machine."

Aisha T.
PhD Researcher

"Switched from copy-pasting into a web tool to using the extension. My editorial pipeline is at least 2× faster."

Lena F.
Editor, Digital Publisher

"I scan cover letters inline on LinkedIn and email. Zero context-switching. Honestly game-changing for high-volume hiring."

Marco V.
Recruiter, Tech Company

Security & Privacy

The AIDetector.cx Chrome Extension is built on Manifest V3, the most secure Chrome extension standard. All analysis is transmitted over TLS. We never store your content, never read background tabs, and never sell your data. GDPR and CCPA compliant.

Manifest V3
TLS Encrypted
GDPR Compliant
CCPA Compliant
No Data Storage
Minimal Permissions
FAQ

Chrome Extension FAQ

Everything you need to know about the AI Detector Chrome Extension.

Start Detecting AI in Your Browser Today

Join 180,000+ professionals using the Chrome AI Detector extension to review, detect, and humanize content without leaving their workflow.

View Pro Plans

Free to install · No credit card · Manifest V3 · Privacy-first