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Preview of Traceglass

Traceglass by euler

Evidence-first fingerprinting monitor. All observed techniques in the badge, with confidence and evidence shown separately.

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About this extension
Traceglass detects fingerprinting-related browser API activity and shows the techniques, confidence levels, and calls behind each signal. Includes live badge counts, filters, and JSON export. Optional source previews contact the script’s server only when clicked.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites

Required data collection, according to the developer:

  • Browsing activity
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Version
1.0.0
Size
38.65 KB
Last updated
4 days ago (Sep 23, 2026)
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  • Privacy & Security
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The Unlicense
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  • privacy
  • security
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