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Preview of Vallanx Privacy Shield

Vallanx Privacy Shield by Vallanx

Vallanx Privacy Shield is a browser extension that blocks trackers, protects your browser fingerprint, and gives you full control over what websites can do.

Available on Firefox for Android™
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Screenshots
Extension Settings in the DashboardThe Extension Pop-upAdding Blocklists or Parental Filters in the Dashboard
About this extension
Vallanx Privacy Shield is a browser extension that blocks trackers, protects your browser fingerprint, and gives you full control over what websites can do.

Features Overview of Current Version
  • Ad & Tracker Blocking — UBS (Universal Blocklist Syntax) parser with support for domain rules, wildcards, AdBlock-style ||domain^ patterns, allowlists (@@), and $-modifiers
  • Anti-Fingerprinting — Canvas noise, AudioContext noise, randomized navigator properties (hardwareConcurrency, deviceMemory, platform), screen depth, and WebGL vendor masking
  • Privacy Headers — Do Not Track / Global Privacy Control, custom User-Agent, custom X-Forwarded-For header
  • Geolocation Spoofing — Override getCurrentPosition and watchPosition with configurable coordinates
  • Content Controls — Block JavaScript (global or per site), pop-ups, media elements above a size threshold, external fonts, prefetch, and hyperlink auditing
  • Cosmetic Rules — Element hiding via ##selector UBS rules, applied in-page with a MutationObserver
  • Proxy Support — Configure a fixed HTTP/SOCKS proxy with optional authentication
  • Parental Controls — Time-based browsing restrictions using server time (worldtimeapi.org) with local time fallback
  • Per-Site Overrides — Toggle JS blocking and popup blocking individually per hostname from the popup
  • Network Log — Ring buffer (last 200 entries) of blocked/allowed requests, visible in the dashboard
  • Statistics — Blocked request count, bandwidth saved (MB), and estimated time saved
  • Export / Import — Save and restore all settings as JSON
  • Dark / Light / Auto Theme — Follows system preference or manual override
  • Localization — Currently supporting 12 differente languages built in; extensible to further locales. Default is English (EN)
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Permissions and data

Required permissions:

  • Block content on any page
  • Control browser proxy settings
  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
0.2.6
Size
3.13 MB
Last updated
20 days ago (Jun 17, 2026)
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