Dev tools · alternatives · 2026
24 alternatives to Firefox Plugin Privacy Test Database
About the test results of all popular Mozilla Firefox plugins. This post outlines the test methodology and code
Firefox Plugin Privacy Test Database is a developer tool that helps test and analyze Firefox plugin privacy. Launched in 2019, it provides a database resource for developers to evaluate how plugins handle user data and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Firefox Plugin Privacy Test Database launched in 2019; newer entries below may have overtaken it.
- 1
Without your consent most major web platforms leak whether you are logged in. This allows any website to detect on which platforms you
2016 · robinlinus.github.io · its alternatives →
- 2
Get a new card for every purchase with just one click
2017 · privacy.com · its alternatives →
- 3
This tool helps you check what data-protecting measures a site has taken to help you exercise control over your privacy.
2018 · webbkoll.dataskydd.net · its alternatives →
- 4
This is a demonstration of all the data your browser knows about you. All this data can be accessed by any website without asking you for any permission.
2016 · webkay.robinlinus.com · its alternatives →
- 5
Monitor Chrome extensions metrics growth
2023 · appwatch.co · its alternatives →
- 6
Instantly detect your browser, operating system, screen resolution, and more. Get a shareable link with your browser details for support agents.
2012 · aboutmybrowser.com · its alternatives →
- 7
Exstats▲225Track your browser extensions and competitors in one place
May 2026 · exstats.com · its alternatives →
- 8
Hi HN, I'm Barry and I've built Prism.Tools (https://blgardner.github.io/prism.tools/) – a collection of client-side developer utilities that respect your privacy. Many of these tools were used way back in the days when I ran a BBS and started my communities first ISP, serving three local communities with Dial-Up Internet, Web Hosting etc. The tools have been refined to reflect the changes in tech since then and designed for the Novice and Pro alike. As I locate more tools others may find useful I will refine and add them to the collection. Use them, Share them, or not.…
Jan 2026 · blgardner.github.io · its alternatives →
- 9
Firefox Advance▲166Experimental recommendation engine built into Firefox
2018 · support.mozilla.org · its alternatives →
- 10EW
I built a tool that reveals the data your browser exposes automatically every time you visit a website. GitHub: https://github.com/neberej/exposedbydefault Demo: https://neberej.github.io/exposedbydefault/ Note: No data is sent anywhere. Everything runs in your browser.
Nov 2025 · neberej.github.io · its alternatives →
- 11
Firefox 89▲147Modern, clean Firefox clears the way to your online needs
2021 · firefox.com · its alternatives →
- 12
Firefox Relay▲252Hide your real email address to help protect your identity.
2021 · relay.firefox.com · its alternatives →
- 13
The most popular and powerful web development tool
2014 · getfirebug.com · its alternatives →
- 14
Firefox Preview▲248Test the speed, privacy, and new features of the new Firefox
2019 · play.google.com · its alternatives →
- 15
Free, open source Chrome extension for internet transparency & data privacy - Dan-inpooling/Privacy-eye
2019 · github.com · its alternatives →
- 16FA
Introducing QuaranTab: Companion extension to quarantine tabs so you can safely use them offline with private data I find myself wanting to use online format parsers to quickly decode that production JWT or decode a base64 Authorization header but cannot trust these websites to not leak my information. I thought to myself if only I could cut-off network access to this site, use it offline, and then throw away all browsing data. So I created an extension just for that. It uses Firefox contextual identities API (Containers) to isolate browsing data and inter-tab communication. Once the site is…
2023 · its alternatives →
- 17
Hello Hacker News! I’m Tomasz, creator of Privacy Thing, a browser extension for Firefox and Chromium-based browsers. I’ve just released its Preview version. Privacy Thing aims to reduce browser fingerprinting—the tracking of users without cookies. It began as an internal project: a simple location simulator. Over time, I expanded it to cover more fingerprinting surfaces. It now has 13 protection categories affecting 50+ browser APIs and methods: Geolocation, time and locale settings, Canvas, WebGL, Audio, Navigator, Screen, Client Hints, Battery, WebRTC, Dedicated Workers, Service Workers,…
Jul 2026 · privacything.com · its alternatives →
- 18
Track browser extension installations / threats in real-time
2019 · extensionmonitor.com · its alternatives →
- 19
Firefox for enterprises that want control of their data
10d ago · blog.mozilla.org · its alternatives →
- 20
A chrome extension tracks front-end JavaScript that uses DOM / jQuery APIs to manipulate html dom elements (e.g., change style, attach event listener) at runtime. - pilagod/js-tracker
2018 · github.com · its alternatives →
- 21
Datagator▲63browser extension that sues online trackers
2024 · joindatagator.com · its alternatives →
- 22
- 23
ItsMyData▲67A free chrome plugin to protect your privacy
2020 · chromewebstore.google.com · its alternatives →
- 24
Protects people's personal data across the internet.
2022 · add.startpage.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →