Dev tools · alternatives · 2026

24 alternatives to ThreatSlayer

Free enterprise grade security for your personal browser

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ThreatSlayer launched in 2023; newer entries below may have overtaken it.

1
Web3 Antivirus Extension 2.0▲140
Bring confidence and security to your Web3 transactions
2024 · web3antivirus.io · its alternatives →
2
WebBrain▲117
The sidebar agent for the rest of us
Aug 2026 · webbrain.one · its alternatives →
3
SecurityScorecard Chrome Extension▲69
See the potential security risk for every site you visit
2022 · securityscorecard.com · its alternatives →
4
SafeToOpen▲81
Anti-phishing extension that alerts you of dangerous sites
2021 · chromewebstore.google.com · its alternatives →
5
MetaShield▲102
A chrome extension to keep your ETH & NFTs safe from scams
2021 · chromewebstore.google.com · its alternatives →
6
Uppward Chrome Extension▲109
Protect yourself from crypto scams and frauds
2018 · uppward.sentinelprotocol.io · its alternatives →
7UC
URL Canary – Get an alert when someone finds your secrets▲273
2018 · urlcanary.com · its alternatives →
8
NFT Guard▲236
Protect yourself from fake NFTs and crypto scams
2022 · blog.mozilla.org · its alternatives →
9
Web3 Antivirus for Chrome▲184
Take back your safety in Web3
2022 · web3antivirus.io · its alternatives →
10
Fence▲87
AI powered security helping keep users safe online.
2022 · its alternatives →
11
Extension Police▲115
Police your chrome extensions
2018 · chromewebstore.google.com · its alternatives →
12
ThreatPinch Lookup▲65
Add OSINT & Threat tooltips to all pages. Use any REST API!
2017 · github.com · its alternatives →
13
Extension Monitor▲87
Track browser extension installations / threats in real-time
2019 · extensionmonitor.com · its alternatives →
14
WebWall▲74
See how websites use your data and block trackers & threats
2021 · trywebwall.com · its alternatives →
15
SlashNext▲72
Stop all internet threats, not just malware ✋
2017 · varonis.com · its alternatives →
16
SafeSocial▲69
Make the Internet a better place
2019 · its alternatives →
17
Radar by Meshed Labs▲83
Intercept malicious transactions before you get scammed
2022 · getradar.xyz · its alternatives →
18
BrowserTotal: A framework for analyzing browser security posture▲28
Live extension analysis: Point us at a Chrome/Edge/Firefox extension (store URL or CRX). We spin up a safe sandbox and observe it in real time—permissions use, message passing, storage writes, network calls, remote code loading, and UI injections. Package scanning: Paste an npm/package URL or code. We do quick static + dynamic checks: install/postinstall scripts, obfuscation/eval, exfil endpoints, suspicious APIs, and typosquat/reputation signals. AI explainer: An LLM summarizes the behaviors and risk patterns in plain English (why it’s risky, what to verify,…
2025 · browsertotal.com · its alternatives →
19
ThreatStream▲60
Real-time intelligence to defend a network from cyber threat
2014 · anomali.com · its alternatives →
20
Wallet Guard▲69
Browse web3 securely
2022 · walletguard.app · its alternatives →
21
Free open-source isolated browser for security▲71
💚🇺🇸🗽Secure remote browsing anywhere, any way you like it. - GitHub - BrowserBox/BrowserBox: 💚🇺🇸🗽Secure remote browsing anywhere, any way you like it.
2021 · github.com · its alternatives →
22
Apozy for Chrome▲48
Chrome extension that blocks phishing
2017 · apozy.com · its alternatives →
23
Stingray Security Chrome Extension▲33
In-browser A.I. protection from online threats - all free
Nov 2025 · its alternatives →
24
Paladin Cyber (YC S17)- Free browser security and protection for Chrome▲25
2018 · chrome.google.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 →