Life & fun · alternatives · 2026

24 alternatives to Firefox Monitor

Your right to be safe from hackers starts here

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Firefox Monitor launched in 2018; newer entries below may have overtaken it.

1
Firefox Monitor▲2
See if you’ve been part of an online data breach.
2020 · its alternatives →
2
WebARX▲147
Protect websites from plugin vulnerabilities
2019 · its alternatives →
3
Firefox Monitor▲6
See if you’ve been part of an online data breach
2019 · its alternatives →
4WE
What every browser knows about you▲553
2016 · webkay.robinlinus.com · its alternatives →
5
Watch Your Hack▲292
A manual to protect yourself against hackers 👨‍💻
2018 · its alternatives →
6
Do hackers know me?▲398
See yourself through the eyes of a hacker
2024 · dohackersknow.me · its alternatives →
7WG
We got tired of asking 'What browser are you using?' and created this▲521
2012 · aboutmybrowser.com · its alternatives →
8
Blurs▲226
Hide your browser info
2024 · instapaper.com · its alternatives →
9
Firefox Relay▲252
Hide your real email address to help protect your identity.
2021 · its alternatives →
10
Firefox Focus▲168
A free, fast and easy to use private browser.
2016 · its alternatives →
11
Track This by Firefox▲121
We open 100 tabs to make trackers think you're someone else
2019 · its alternatives →
12EW
Explore what the browser exposes about you▲275
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 →
13
Firefox 70▲14
The browser that respects your privacy automatically
2019 · its alternatives →
14
Pingkat▲72
Continuously monitor your website's public resources
2023 · its alternatives →
15FH
Find HN threads about the page you're browsing▲260
2020 · github.com · its alternatives →
16
Waterfox▲126
The 100% fresh, free-range, ethical browser
2018 · its alternatives →
17
monitor backlinks▲220
Monitor backlinks to your (or your competitors') website
2015 · its alternatives →
18
Extension Monitor▲87
Track browser extension installations / threats in real-time
2019 · its alternatives →
19
Firefox 89▲147
Modern, clean Firefox clears the way to your online needs
2021 · its alternatives →
20MA
Monitor a Hacker News post over time▲78
2020 · hacker-news-analytics.christianfei.com · its alternatives →
21FA
Firefox addon to quarantine a tab to use offline with private data▲166
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 →
22
Danger▲129
Protect your app from bad humans
2024 · its alternatives →
23
Loginbait.com▲77
Protect your privacy with honeypots and get notified
2023 · its alternatives →
24
Hartect▲131
Monitor Antiviruses & AI blocking your website
2025 · 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 →