Local Sheriff

Local Sheriff

Think of Local sheriff as a recon tool in your browser (WebExtension). While you normally browse the internet, Local Sheriff works in the background to empower you in identifying what data points (PII) are being shared / leaked to which all third-par

Local Sheriff promo image
What is Local Sheriff?

Local Sheriff is a Firefox add-on that enables users to identify personal data leaks or sharing on websites they visit. It reveals the actual data shared with third-parties, helping users take control of their online privacy.

Stats date:
By: konarkm
Users: 9 ▼ -2
Rating: 5.00 (1)
Version: 0.8 (Last updated: 2019-04-30)
Creation date: 2019-01-31
Weekly download count: NaN
Firefox on Android: No
Manifest version: 2
  • http://*/*
  • https://*/*
  • tabs
  • activeTab
  • webRequest
  • webRequestBlocking
  • unlimitedStorage
  • webNavigation
  • <all_urls>
Size: 169.55K
Email: Click to see
URLs: Website
Risk impact: High risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

ChromeStats Rank


Local Sheriff is a browser extension for Google Chrome and Mozilla Firefox that reveals to you if sites you visit share or leak personal information with third-parties.

The main difference between Local Sheriff and extensions that list trackers on websites is that Local Sheriff may reveal the actual data that gets shared with third-parties.

Websites that you visit may share or leak all sorts of personal information with third-party sites that connections get established to on it.

Sites you visit may leak personal information unknowingly or knowingly. Personal information may be found in web addresses (URLs), on-page content, or as data entered in web forms. URLs may include names, email addresses, or other personal information.

The data may be shared through various automated mechanisms. Examples include through HTTPS Headers when establishing connections, using query parameters, or browser features.

Risk impact

Local Sheriff is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Local Sheriff if you trust the publisher.

Risk likelihood

Local Sheriff has earned a fairly good reputation and likely can be trusted.

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