Chrome, Firefox, and Edge

AdBlocker Ultimate icon

AdBlocker Ultimate

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

Firefox Add-onsMicrosoft Edge Add-ons
Firefox Add-ons4.8
Microsoft Edge Add-ons4.7
6,813 wk
Privacy & Security
D

DeepSider™:ChatGPT Sidebar

AI sidebar support chat with all AI models (DeepSeek, Gemini, Claude, GPT) for advanced AI search, read, and write.

Microsoft Edge Add-ons
4.8(653)
General
T

Total Adblock - Ad Blocker

Instantly block annoying ads, pop-ups & intrusive trackers with Total Adblock.

Microsoft Edge Add-ons
2.9(1,482)
General
M

ModHeader - Modify HTTP headers

Modify HTTP request headers, response headers, and redirect URLs

Microsoft Edge Add-onsChrome Web Store
Microsoft Edge Add-ons3.2
Chrome Web Store3.0
General
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Ghostery – Privacy Ad Blocker icon

Ghostery – Privacy Ad Blocker

The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.

Firefox Add-ons
4.4(5,772)
16,284 wk
Web Development
V

Violentmonkey

An open source userscript manager that supports a lot of browsers

Microsoft Edge Add-onsFirefox Add-ons
Microsoft Edge Add-ons4.5
Firefox Add-ons4.7
General
Idira Identity Browser Extension icon

Idira Identity Browser Extension

The Idira® Identity Browser Extension (formerly CyberArk Identity Browser Extension) secures your passwords and provides seamless access to your business and personal applications.

Firefox Add-onsMicrosoft Edge Add-ons
Firefox Add-ons3.7
Microsoft Edge Add-ons2.5
83 wk
Privacy & Security
Enhancer for YouTube™ icon

Enhancer for YouTube™

Take control of YouTube and boost your user experience!

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons4.7
Chrome Web Store4.5
Microsoft Edge Add-ons4.6
19,140 wk
Appearance
Ambient light for YouTube™ icon

Ambient light for YouTube™

Immerse yourself in YouTube™ videos with ambient light!

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons4.9
Chrome Web Store4.7
Microsoft Edge Add-ons4.5
4,816 wk
Appearance
Surfshark VPN - Extension — fast & private icon

Surfshark VPN - Extension — fast & private

Protect your Mozilla Firefox browsing with Surfshark VPN — fast, secure, private.

Firefox Add-onsChrome Web Store
Firefox Add-ons3.6
Chrome Web Store4.1
3,398 wk
Privacy & Security
S

SetupVPN - Lifetime Free VPN

Unblock any blocked website in your country, school or company. It's free and easy to use.

Firefox Add-onsMicrosoft Edge Add-onsChrome Web Store
Firefox Add-ons4.4
Microsoft Edge Add-ons4.0
Chrome Web Store4.0
General
h

h264ify

Makes YouTube stream H.264 videos instead of VP8/VP9 videos

Firefox Add-onsMicrosoft Edge Add-onsChrome Web Store
Firefox Add-ons4.4
Microsoft Edge Add-ons4.8
Chrome Web Store4.6
General
Ruffle - Flash Emulator icon

Ruffle - Flash Emulator

Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons4.6
Chrome Web Store4.7
Microsoft Edge Add-ons4.3
1,666 wk
Web Development
Obsidian Web Clipper icon

Obsidian Web Clipper

Save and highlight web pages in a private and durable format that you can access offline. The official browser extension for Obsidian.

Firefox Add-onsChrome Web Store
Firefox Add-ons4.9
Chrome Web Store4.8
1,509 wk
Privacy & Security
Repeek (formerly FACEIT Enhancer) icon

Repeek (formerly FACEIT Enhancer)

The browser extension that boosts you to the next level on FACEIT – Trusted by over 1 million players worldwide, Repeek enhances your experience on FACEIT and adds useful features.

Firefox Add-onsChrome Web Store
Firefox Add-ons4.2
Chrome Web Store3.8
1,069 wk
Appearance
FrankerFaceZ icon

FrankerFaceZ

The Twitch Enhancement Suite - Get custom emotes and tons of new features you'll never want to go without.

Firefox Add-onsChrome Web Store
Firefox Add-ons4.2
Chrome Web Store2.8
1,063 wk
Social & Communication
CSFloat Market Checker icon

CSFloat Market Checker

Shows the float value, paint seed, and screenshots of Counter-Strike (CS:GO & CS2) items on the Steam Market or Inventories

Chrome Web StoreFirefox Add-ons
Chrome Web Store4.0
Firefox Add-ons4.1
1,060 wk
Games Entertainment
P

PrintFriendly: Reader Mode, PDF Editor, Screenshots

Print clean web pages, save as PDF, edit PDFs, and capture full-page screenshots. Integrates with ChatGPT, Claude, and Gemini.

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons4.3
Chrome Web Store4.9
Microsoft Edge Add-ons4.6
General
Privacy Extension For WhatsApp™ Web icon

Privacy Extension For WhatsApp™ Web

The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.

Firefox Add-onsChrome Web Store
Firefox Add-ons4.8
Chrome Web Store2.7
972 wk
Appearance
EPUBReader icon

EPUBReader

Read epub files directly in the browser

Microsoft Edge Add-onsChrome Web StoreFirefox Add-ons
Microsoft Edge Add-ons4.2
Chrome Web Store3.1
Firefox Add-ons3.7
Productivity
Watch2Gether icon

Watch2Gether

With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons4.2
Chrome Web Store3.5
Microsoft Edge Add-ons3.3
779 wk
Social & Communication
TunnelBear VPN icon

TunnelBear VPN

TunnelBear is a simple app that helps you browse the Internet privately and securely. TunnelBear changes your IP and protects your browsing data from online threats, letting you access your favorite websites and apps worldwide.

Chrome Web StoreFirefox Add-ons
Chrome Web Store4.1
Firefox Add-ons3.4
776 wk
Privacy & Security
Mobile simulator - responsive testing tool icon

Mobile simulator - responsive testing tool

Smartphone and tablet simulator on computer with several models to test mobile responsive websites.

Firefox Add-onsChrome Web StoreMicrosoft Edge Add-ons
Firefox Add-ons3.7
Chrome Web Store4.9
Microsoft Edge Add-ons5.0
575 wk
Web Development
1C:Enterprise extension icon

1C:Enterprise extension

This extension provides access to file system and cryptography functionality, clipboard, and 1C:Enterprise add-ins.

Firefox Add-onsChrome Web Store
Firefox Add-ons3.3
Chrome Web Store1.9
532 wk
Privacy & Security
W

Web Developer

Adds a toolbar button with various web developer tools.

Microsoft Edge Add-onsFirefox Add-onsChrome Web Store
Microsoft Edge Add-ons—
Firefox Add-ons4.3
Chrome Web Store4.3
General
Easy Auto Refresh icon

Easy Auto Refresh

Auto-refresh and auto-reload pages after any number of seconds.

Firefox Add-onsChrome Web Store
Firefox Add-ons3.4
Chrome Web Store3.1
199 wk
Web Development
MyBib Citation Generator icon

MyBib Citation Generator

Quickly generate citations with MyBib.

Firefox Add-onsChrome Web Store
Firefox Add-ons1.0
Chrome Web Store4.5
89 wk
Other
Boxel Rebound icon

Boxel Rebound

Play over 50 levels of box-jumping madness! Design and share your own levels.

Chrome Web StoreFirefox Add-onsMicrosoft Edge Add-ons
Chrome Web Store4.5
Firefox Add-ons4.6
Microsoft Edge Add-ons4.5
87 wk
Games Entertainment
Keywords Everywhere icon

Keywords Everywhere

Install this freemium add-on to view monthly search volume, CPC & competition data on 15+ websites like Google, YouTube, Amazon, Pinterest, Instagram, eBay, Bing, Etsy, Google Search Console and more

Microsoft Edge Add-onsChrome Web StoreFirefox Add-ons
Microsoft Edge Add-ons3.0
Chrome Web Store3.3
Firefox Add-ons4.4
67 wk
Search Tools
C

ColorPick Eyedropper

A zoomed eyedropper & color chooser tool that allows you to select color values from webpages and more.

Microsoft Edge Add-onsChrome Web StoreFirefox Add-ons
Microsoft Edge Add-ons1.0
Chrome Web Store3.9
Firefox Add-ons3.8
General

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  • Ad blockers

    Compare extensions that remove advertising from web pages, with links to their permissions and security findings.

  • VPN and proxy extensions

    Explore browser extensions with VPN or proxy connection features, then compare their access and published security reports.

  • Password managers

    Find extensions with password-vault features and review the permissions and security evidence behind each listing.

  • Developer tools

    Discover extensions for inspecting pages, working with API requests and testing websites, alongside their security reports.

  • Reading and accessibility

    Explore text-to-speech, reader-view and reading-aid extensions, with direct links to their permissions and security reports.