This repository is a collection of over 60 simple, installable WebExtension examples, primarily maintained by Mozilla. The codebase is not a single application but a set of independent browser extensions, each in its own directory, demonstrating specific WebExtensions APIs such as tabs, storage, webRequest, menus, and declarativeNetRequest. The examples cover both Manifest V2 and V3, with patterns for background scripts, content scripts, popups, sidebars, and options pages. The repository also includes a shared examples.json metadata file with schema validation, ESLint configuration, and a GitHub Actions workflow for linting and validation. The practical value lies in being a reference and starting point for developers building browser extensions, rather than a production-ready deployable system.