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MajorGeeks.Com » Files » Categories » Browsers » Extensions & Add-Ons - Security

Extensions & Add-Ons - Security rss for Extensions & Add-Ons - Security downloads
[ Sort by: Name | Date | License | Rating | Popularity ]



Windows Defender Browser Protection for Chrome 1.664 [ 2023-06-13 | 244 KB | Freeware | 11|10|8|7|Linux|macOS | 3712 | 5 ]
Windows Defender Browser Protection is a Google Chrome extension that extends the capabilities of Windows Defender for added protection against phishing, malicious websites and more.

WiFi Dashboard 1.0.0.46 [ 2020-11-22 | 2.74 MB | Freeware | 10 | 1205 | 5 ]
WiFi Dashboard is a simple utility that provides an active status of your Wi-Fi network from color-coded windows.

Trend Micro ID Protection for Chrome, WhatsApp, and Messenger 39.0.1.129 [ 2025-01-09 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 2885 | 5 ]
Trend Micro ID Protection (formerly Trend Micro Check) for Google Chrome, WhatsApp, and Messenger helps protect you from malicious websites, block ads, and keep your social media accounts safe.

WhatRuns for Chrome and Firefox 1.8.12 [ 2025-05-08 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 1801 | 5 ]
WhatRuns for Chrome and Firefox gives you a peek into what runs a website, including Analytics Tools, Fonts, Frameworks, WordPress Plugins, and more.

Avast Online Security for Chrome, Firefox, Edge, and Opera 22.12.7 [ 2025-04-01 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 3220 | 5 ]
Avast Online Security for Chrome, Firefox, Edge, and Opera helps protect you and your data while you surf the web.

Link Virus Check - Security Plus for Chrome and Firefox 0.3.1 [ 2019-09-18 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 2268 | 5 ]
Link Virus Check - Security Plus for Chrome and Firefox is a free extension that enables you to check URLs for viruses.

Download Virus Checker for Chrome, Firefox, and Opera 0.2.1 [ 2021-07-19 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 1706 | 5 ]
Download Virus Checker for Chrome, Firefox, and Opera provides an additional security layer by scanning a requested download link with VirusTotal's engines.

PixelBlock for Gmail [ 2019-04-09 | 71.6 KB | Freeware | 10|8|7|Vista|XP | 11092 | 4 ]
PixelBlock is an Gmail extension that blocks email tracking attempts used against you to detect the opening/reading of emails.

Security.txt for Chrome, Firefox, and Edge 1.1.1 [ 2020-12-17 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 1150 | 5 ]
Security.txt displays the security.txt and humans.txt files for a website if available.

HTTPS Everywhere for Firefox 2022.5.24 [ 2022-05-25 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 92800 | 5 ]
HTTPS Everywhere is a Firefox extension that encrypts many of your communications with most major websites to make your browsing more secure.

WOT for Chrome, Firefox, Edge, and Opera 5.8.4 [ 2025-04-17 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 136828 | 3 ]
WOT for Chrome, Firefox, Edge, and Opera is a free extension that helps people make informed decisions about whether to trust a website or not.

Wappalyzer for Chrome, Firefox, and Edge 6.10.83 [ 2025-05-27 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 79782 | 5 ]
Wappalyzer for Chrome, Firefox, and Edge is a browser extension that uncovers the technologies used on websites. It detects content management systems, eCommerce platforms, web servers, JavaScript frameworks, analytic tools, and much more.

moarTLS Analyzer for Chrome 1.1.0.1 [ 2024-09-25 | 28 KB | Freeware | 11|10|8|7|Linux|macOS | 174 | 5 ]
moarTLS Analyzer is a Chrome security extension designed to look for non-secure links on web pages.

Ugly HTTP for Chrome 2.0.0 [ 2025-04-15 | 17 KB | Freeware | 11|10|8|7|Linux|macOS | 118 | 5 ]
Ugly HTTP for Chrome enables at-a-glance info on whether or not a page is HTTP or HTTPS.

Emsisoft Browser Security for Chrome, Firefox, and Edge 2023.8.0.56 [ 2023-08-16 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 4945 | 5 ]
Emsisoft Browser Security for Chrome, Firefox, and Edge is designed for blocking dangerous websites that distribute malware as well as helping to prevent phishing attacks.

Unshorten.It! for Chrome and Firefox 1.1 [ 2019-04-16 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 9178 | 5 ]
Unshorten.It! for Chrome and Firefox allows you to right-click on shortened URLs to discover where they actually lead to and get their safety rating.

MyPermissions Cleaner for Chrome and Android 4.1.3 [ 2020-08-11 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 43764 | 5 ]
MyPermissions Cleaner for Chrome and Android is a powerful scanning extension designed to track and control how applications access your personal information online.

Code Verify for Chrome, Firefox, and Edge 4.0.0 [ 2024-11-04 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 1120 | 5 ]
Code Verify for Chrome, Firefox, and Edge is an extension/add-on developed to verify the code running in your browser matches what was released.

VT4Browsers [ 2022-03-17 | 229 KB | Freeware | 11|10|8|7|Linux|macOS | 762 | 5 ]
VT4Browsers is the official free browser extension for Chrome and Firefox to scan suspicious files or links using the Virustotal service.

PhishGuard for Chrome and Firefox [ 2020-07-30 | Size Varies | Freeware | 10|8|7 | 20115 | 3 ]
PhishGuard is a way for you to make sure you know what you're clicking on. This extension aims to prevent email phishing attacks by telling you where links really lead.

Terms of Service; Didn’t Read for Chrome, Firefox, Opera, and Safari 5.1.1 [ 2025-04-03 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 2052 | 5 ]
Terms of Service; Didn’t Read for Chrome, Firefox, Opera, and Safari will instantly retrieve information about the website's terms of service and privacy policies, with ratings and summaries from tosdr.org.

Malware.AI Browser Security for Firefox 1.4.2 [ 2023-01-30 | 3 MB | Freeware | 11|10|8|7|Linux|macOS | 400 | 5 ]
Malware.AI Browser Security for Firefox is a visual AI-based malware detection add-on to help keep you safe while browsing.

Link Unshortener for Chrome 1.0.5 [ 2024-07-03 | 816 KB | Freeware | 11|10|8|7|Linux|macOS | 100 | 5 ]
Link Unshortener for Chrome provides you with the ability to preview the destination of a shortened link before visiting.

Clear Cache for Firefox 4.2 [ 2024-12-24 | 26 KB | Freeware | 11|10|8|7|Linux|macOS | 327 | 5 ]
Clear Cache for Firefox lets you clear the cache, efficiently removing both disk and RAM cache by utilizing a single button click or using convenient keyboard shortcuts.

360 Internet Protection for Firefox 5.0.0.1032 [ 2024-10-24 | 364 KB | Freeware | 11|10|8|7|Linux|macOS | 462 | 5 ]
360 Internet Protection is an add-on for Firefox that can detect harmful URLs instantly and help prevent web-based dangers.

Malwarebytes Browser Guard for Chrome, Firefox, and Edge 3.0.20 [ 2025-06-17 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 34461 | 3 ]
Malwarebytes Browser Guard for Chrome, Firefox, and Edge is a free extension designed to bring the protection of Malwarebytes direct to your browser.

Netcraft Anti-Phishing for Chrome, Firefox, and Opera 2.1.2 [ 2024-02-26 | Size Varies | Freeware | 11|10|8|7|Linux|macOS | 8211 | 4 ]
Netcraft Anti-Phishing for Chrome, Firefox, and Opera is a free extension that provides you with comprehensive site information and phishing protection while you browse the web.

Little Rat 1.0 [ 2023-08-17 | 112 KB | Open Source | 11|10|8|7|Linux|macOS | 263 | 5 ]
Little Rat is a handy tool that has been specifically created to keep a close eye on the network usage of other installed extensions.

Cookie Popup Blocker [ 2022-01-12 | 437 KB | Open Source | 11|10|8|7|Linux|macOS | 589 | 5 ]
Cookie Popup Blocker is a Google Chrome extension that automatically removes annoying cookie popups that appear when you visit a page without agreeing to the terms.

NoScript 13.0.8 [ 2025-05-25 | Size Varies | Open Source | 11|10|8|7|Linux|macOS | 211684 | 5 ]
NoScript is an Open Source add-on/extension that provides extra protection for Firefox, Chrome, Flock, Seamonkey, and other Mozilla or Chromium-based browsers.

minerBlock for Chrome, Firefox, and Opera 1.2.18 [ 2022-10-17 | Size Varies | Open Source | 11|10|8|7|Linux|macOS | 673 | 5 ]
minerBlock is a browser extension/add-on designed to block crypto miners.

OPSWAT File Security for Chrome and Android 4.2.1 [ 2024-09-16 | Size Varies | Open Source | 11|10|8|7|Android|Linux|macOS | 14002 | 5 ]
OPSWAT File Security (formerly Metadefender) for Chrome and Android allows you to scan all downloads, or specific files, for malware using a number of commercial anti-malware engines in order to limit the potential of one slipping through.

Smart HTTPS for Chrome, Firefox, Edge, and Opera 0.3.4 [ 2025-04-11 | Size Varies | Open Source | 11|10|8|7|Linux|macOS | 1776 | 5 ]
Smart HTTPS for Chrome, Firefox, Edge, and Opera is designed to switch from insecure HTTP website addresses to secure HTTPS seamlessly.

Security Tweaks for Chrome, Firefox, Edge, and Opera 0.1.6 [ 2024-04-17 | Size Varies | Open Source | 11|10|8|7|Linux|macOS | 2142 | 5 ]
Security Tweaks for Chrome, Firefox, Edge, and Opera, is designed to improve browsing security via several easy-to-activate tweak options.

OPSWAT File Security for Chrome 4.4.1 [ 2024-12-13 | 7 MB | Open Source | 11|10|8|7|Linux|macOS | 1330 | 5 ]
OPSWAT File Security for Chrome provides advanced in-browser malware scanning for your downloads.

Osprey: Browser Protection for Chrome, Firefox, and Edge 1.2.8 [ 2025-06-17 | Size Varies | Open Source | 11|10|8|7|Linux|macOS | 671 | 5 ]
Osprey: Browser Protection for Chrome, Firefox, and Edge provides you with a configurable shield against potentially harmful websites. It helps safeguard your online experience by identifying and blocking threats.


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