# Fangs > Inject custom DuckDuckGo Bangs into your browsing experience. [![Fangs on AMO](https://img.shields.io/amo/v/fangs)](https://addons.mozilla.org/firefox/addon/fangs) ![Fangs 0.1.3](./screenshots/fangs-version-0-1-3.png) ## Installation You can install Fangs through [Mozilla Addons], [installing from a file] (see [the Releases page] for a prebuilt version) or building [from source](#development). [installing from a file]: https://support.mozilla.org/en-US/kb/find-and-install-add-ons-add-features-to-firefox#w_how-do-i-find-and-install-add-ons [Mozilla Addons]: https://addons.mozilla.org/firefox/addon/fangs/ [the Releases page]: https://github.com/Holllo/fangs/releases ## Development To build Fangs you will need [git], [NodeJS] and [pnpm]. Then from a terminal, run the following commands. [git]: https://git-scm.com [NodeJS]: https://nodejs.org [pnpm]: https://pnpm.io ```sh # Step 1. Download the repository with Git. git clone https://github.com/Holllo/fangs cd fangs # Step 2. Install the dependencies. pnpm install # Step 3. Start an auto-reloading browser instance for development. pnpm start # Step 4. Lint the code and run tests. pnpm test # Step 5. Build the WebExtension for production. # See the web-ext-artifacts directory for output. pnpm build ``` ## License Fangs is open-sourced with the [GPL-3.0-or-later] license. [GPL-3.0-or-later]: https://github.com/Holllo/fangs/blob/main/LICENSE