The browser is the organization's largest unmonitored attack surface.
Extension Auditor helps you identify, assess, and block unsafe extensions to ensure secure, compliant environment across your workforce.

Introducing Extension Auditor v6.3.12
Find & Analyse Chrome Extensions
Search for any Chrome extension and instantly see key details like permissions, risks, and user ratings. Stay informed before you install.
Recently Scanned Extensions
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Why Extension Auditor?
Get visibility and control over browser extensions across your organization. Identify risks, enforce policies, and protect your workforce.
Research-Backed
Analysis
Our risk models are built on 30+ peer-reviewed security papers covering extension threats, permission abuse, and supply chain attacks.
Not heuristics. Not guesswork. Real academic research translated into actionable risk scores.
Catch Changes Before Incidents
We monitor 11 event types every 2 hoursβpermission changes, ownership transfers, visibility shifts, and more.
Get alerted the moment an approved extension turns risky, not after it's already exfiltrated data.
Built for SMB and Enterprise Security Teams
Connect Google Workspace or Microsoft 365 in minutes. Alerts flow to Slack, Teams, or your SIEM via webhook. Full REST API for automation.
487,000+ Extensions Analyzed
The most comprehensive Chrome extension security database. Real threat intelligence from scanning the entire Chrome Web Storeβnot just the extensions you ask about.
Integrations that work with your stack
Connect with the tools and platforms your team already uses.
Research-Driven Analysis:
30+ Peer-Reviewed Security Research Papers
Uncover Evidence-Based Insights from using graph analysis of historical data of Publisher Reputation and Permissions Changes, and Reviewers.
Get AccessTotal Extensions Analysed
0k+0k+
Publishers Profiled based on Reputation scoring and graph analysis of historical data.
~0k+~0k+
Malicious Extensions Found
~0k+~0k+
Active Extensions
~0k+~0k+
Reduction in Browser-Based Risk Exposure
Powerful API, simple integration
Build anything with our well-documented API. Get started in minutes with our comprehensive guides and examples.
curl -X GET "https://extensionauditor.com/api/v1/extensions/blemhmgimpnomifkjoinlelbmgoljddm" \
-H "Authorization: Bearer sk_your_api_key" \
-H "Content-Type: application/json"{
"success": true,
"data": {
"extension_id": "blemhmgimpnomifkjoinlelbmgoljddm",
"name": "uBlock Origin",
"rating_value": 4.8,
"rating_count": 12450,
"user_count": 10000000,
"status": "active",
"last_update": "2025-01-15T12:00:00Z",
"extension_publishers": {
"publisher_id": "cjpalhdlnbpafiagjdmdnhnccpnogafg",
"author": "Raymond Hill",
"risk_level": "low"
}
}
}/api/v1/extensionsList extensions with pagination, filters, and search
/api/v1/extensions/{extensionId}Get extension details, publisher risk, and versions
/api/v1/risk-engine/bulk-analysisRun malicious-signal analysis on multiple extensions
RESTful API
Simple and intuitive REST API following industry standards
Rate Limiting
Generous rate limits with clear headers and documentation
Authentication
Secure API key and OAuth2 authentication methods
Turn any browser into a secure enterprise browser.
Complete solution for Small & Medium Businesses & Enterprise browser security, support for all major browsers.
Development tool, low risk. Monitor for updates.
Ad blocker, 12 permissions. Reviewed weekly.
Password manager, 8 permissions. High sensitivity.
Writing assistant, 15 permissions. Data access tracked.
Translation, 6 permissions. Enterprise approved.
Development tool, low risk. Monitor for updates.
Ad blocker, 12 permissions. Reviewed weekly.
Password manager, 8 permissions. High sensitivity.
Writing assistant, 15 permissions. Data access tracked.
Translation, 6 permissions. Enterprise approved.
Development tool, low risk. Monitor for updates.
Ad blocker, 12 permissions. Reviewed weekly.
Password manager, 8 permissions. High sensitivity.
Writing assistant, 15 permissions. Data access tracked.
Translation, 6 permissions. Enterprise approved.
Development tool, low risk. Monitor for updates.
Ad blocker, 12 permissions. Reviewed weekly.
Password manager, 8 permissions. High sensitivity.
Writing assistant, 15 permissions. Data access tracked.
Translation, 6 permissions. Enterprise approved.
Extension inventory
See every extension across Chrome, Edge, and Firefox in one dashboard.
Get alerted when extensions request new permissions
Notifications
Get notified when extensions change, new risks are detected, or policy violations occur.

Integrations
Connect with Google Workspace, Microsoft Entra, Okta, Jamf, and more.
Scan history
View scan history and filter extension activity by date.
Choose the plan that fits your security needs
From individual developers to enterprise security teams, we have a plan for you.
Free
Basic visibility into browser extensions
Individuals exploring extension safety
Get started freeProfessional
Professional-grade risk analysis for teams
Small security teams and startups
Start free trialBusiness
Advanced governance for security teams
Enterprise security and compliance teams
Start free trialEnterprise
CustomNeed a custom solution?
We offer tailored plans for large enterprises with unlimited scans, custom integrations, dedicated support.

Ishan Girdhar
Founder, Extension Auditor
Frequently Asked Questions
Latest Insights & Updates
Stay up to date with the latest trends, tutorials, and best practices in software development. Our experts share their knowledge to help you build better applications.

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Browser Extension Security Policy for Enterprise
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Track Changes Without Manual ReviewsStart your free trial
Silent updates introduce new permissions. Publishers sell to bad actors. Code gets injected. Manual reviews can't keep up.
Join today & We'll alert you when anything changes.


