Browser Extension Builder
Browse 125 websites in this category • Page 1 of 7
Sites where Browser Extension Builder is a core feature are shown first, marked with a Core badge.
Browse and download free themes to personalize your Firefox browser. Choose from thousands of styles, from cute animals to beautiful landscapes.
Enjoy stunning Google Earth images every time you open a new Chrome tab with this extension—bringing beautiful views from around the world to your browser.
Adblock Plus helps you block ads and pop-ups on websites, giving you a cleaner, faster, and more private browsing experience on all major browsers.
Firebug was a browser tool for inspecting HTML, CSS, and JavaScript, helping web developers debug and build better websites right in the browser.
Convert web pages and files to PDF, edit or sign documents online, and make pages printer-friendly. Includes browser extensions and easy PDF tools.
AdGuard blocks ads and online trackers to make browsing safer, faster, and cleaner across devices. Enjoy ad-free web surfing and improved privacy.
Find and install extensions and wallpapers to customize your Opera browser. Browse add-ons made by the community or create your own for Opera.
Find and install extensions to personalize Microsoft Edge. Browse categories to boost productivity, customize appearance, and add new features easily.
Honey automatically finds and applies coupon codes at checkout, helping you save money on your online purchases at thousands of stores.
Floccus lets you sync bookmarks and tabs privately across browsers and devices, with no ads or data collection. Free, open source, and privacy-friendly.
Check your browser version, see if it's up to date, and view your browser settings easily. Get helpful guides and tools for browser issues.
TubeBuddy is a browser extension packed with AI tools to help YouTube creators grow, optimize videos, manage channels, and discover top content ideas.
Check and review your website's Content Security Policy to spot weaknesses and improve protection against cross-site scripting attacks with this free tool.
Tampermonkey lets you manage and run user scripts easily on major browsers like Chrome, Firefox, and Edge, giving you more control over your web experience.
Test your browser for privacy leaks and security risks with detailed tools that reveal tracking methods, IP leaks, and fingerprinting techniques.
Turn Off the Lights is a free browser extension that dims your screen around videos, helping you watch YouTube and other videos with fewer distractions.
Accessibility Insights is a browser extension for Chrome and Edge that helps you find and fix accessibility issues on webpages and web apps before launch.
NoScript is a free browser extension for Firefox, Chrome, and other browsers that blocks scripts and unsafe content, giving you more control and safer browsing.