What is Extension Auditor?
Browser extensions discovered, governed and risk-assessed.
Who is Extension Auditor best for?
Extension Auditor is best for IT teams that want to see which browser extensions staff run and block risky ones.
Controlling extensions company-wide
It builds an inventory of the extensions on every managed browser and applies allow, warn or block policies across the fleet, with or without an agent installed.
Catching an extension that turns bad
It checks 11 kinds of change, such as new permissions, a new owner or a new version, every two hours and alerts you by email, Slack, Teams or webhook.
Checking an extension before installing
Its public scan page looks up any Chrome, Edge or Firefox extension by ID or link and shows its permissions, risk rating and code findings.
Security teams that automate
A REST API returns extension details, versions and publisher risk, and every plan includes a monthly allowance of API calls.
How much does Extension Auditor cost?
Extension Auditor starts at $9 a month for one person's browsers, its team plans cost $12 or $15 per user per month, and every plan starts with a 7-day free trial.
- 1 user, up to 3 managed browsers
- 10 extensions monitored per browser
- Chrome, Edge and Firefox, with alerts and API access
- 10-user minimum, so from $120 a month
- 5 to 200 managed browsers
- Fleet-wide allow, warn and block policies
- 100-user minimum, so from $1,500 a month
- 25 to 1,000 managed browsers
- Google Workspace and Microsoft Entra integration, dedicated success manager
Every plan has a 7-day free trial, and yearly billing costs the same as monthly. Fleets of more than 1,000 browsers or self-hosted setups get Enterprise pricing from sales, and prices exclude taxes. Full pricing on extensionauditor.com. We checked these prices on .
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Questions about Extension Auditor
What is Extension Auditor?
Browser extensions discovered, governed and risk-assessed.
Who is Extension Auditor for?
Extension Auditor is best for IT teams that want to see which browser extensions staff run and block risky ones.
Is Extension Auditor free?
Not beyond a trial. Every Extension Auditor plan starts with a 7-day free trial that you can cancel any time, and after that the Personal plan costs $9 a month. Its public scan page, which looks up a single extension's permissions and risk, is open on the website.
How much does Extension Auditor cost?
Extension Auditor's paid plans are Personal at $9 per month, Team at $12 per user per month and Business at $15 per user per month.
Where can I try Extension Auditor?
On its official website, extensionauditor.com.
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