Dev Tools · 1h ago
30 lines of JavaScript reveal your browser's privacy leaks
A developer created a 30-line JavaScript tool that checks six browser privacy signals, including HTTPS status, cookie settings, and Do Not Track. The tool scores privacy out of 100 and offers fix suggestions. Future plans include WebRTC leak and canvas fingerprint detection.
Meridian48 take
Useful for developers, but the checks are basic—real privacy threats like fingerprinting and tracking scripts require more than a client-side script.
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How to check your browser's privacy with 30 lines of JavaScript — and what I learned →
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browser-privacyjavascript-tool