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Browser extension privacy checker
Use a free browser extension privacy checker to inspect permissions, website access, external domains and code indicators before installing an add-on.
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In-depth hubs that connect permissions, manifests, code indicators and privacy risk into one explanation.
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CRX package analyzer
Open a CRX package online to inspect its manifest, permissions, scripts and referenced domains without installing the Chrome extension.
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Extension manifest viewer
View an extension manifest online. See manifest version, permissions, host permissions, content scripts, background scripts, CSP and update URL.
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Chrome permissions checker
Check Chrome extension permissions in plain language. See required, optional and host permissions, broad access warnings and what each permission allows.
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Firefox XPI analyzer
Analyze a Firefox XPI add-on online. See manifest permissions, host access, background scripts, content scripts, external domains and code indicators.
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Edge extension inspector
Inspect Microsoft Edge extensions online. Review permissions, host access, manifest fields, source indicators and external domains before installing an add-on.
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Extension external domain finder
Find the external domains an extension references. Group hosts into analytics, advertising, authentication, error reporting, cloud services and unknown.
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Extension content script inspector
Inspect extension content scripts and match patterns. Understand which websites an extension can read or modify and how run_at and all_frames affect behavior.
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Remote script reference detector
Detect remote script references, dynamic code execution and runtime imports in browser extensions. See evidence, severity and the limits of static detection.
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Browser extension tracking analysis
Analyze browser extensions for tracking-related signals: analytics and advertising domains, storage APIs, cookie access, identifiers and messaging patterns.
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Browser extension privacy guide
A practical browser extension privacy guide covering permissions, manifest versions, content scripts, background workers, external domains and safe inspection.
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