Inspector Extension

Analyze Chrome extensions by uploading CRX files or entering extension IDs to inspect manifest details, permissions, and security information.

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< 15ms

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Client-Side Privacy

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About This Tool

The Chrome Extension Inspector is a comprehensive online tool that allows developers and users to analyze Chrome extensions without installing them. Upload CRX files or enter extension IDs to extract and examine the manifest.json file, view all requested permissions, analyze content scripts, background scripts, and identify potential security concerns. The tool provides detailed breakdowns of extension capabilities and helps users understand what an extension can access and do in their browser.

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How to Use

Upload a CRX file or enter a Chrome Web Store extension ID
Select analysis options (permissions, manifest, scripts)
Click 'Analyze Extension' to process
View detailed results including manifest structure, permissions list, and security insights

Frequently Asked Questions

Find Quick Answers

What file formats does this tool support?

The tool supports Chrome extension CRX files and can also analyze extensions by their Chrome Web Store ID.

What information can I see about an extension?

You can view the complete manifest.json, all requested permissions, content scripts, background scripts, icons, version information, and security warnings.

Is this tool safe to use with private extensions?

All processing happens client-side in your browser. No extension files are uploaded to any server unless you use the extension ID lookup feature.

Can I analyze extensions that aren't on the Chrome Web Store?

Yes, you can upload any CRX file for analysis, including unpacked extensions or those from third-party sources.

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