Stop websites from adding custom search engines with this simple extension. This extension does not connect to any third-party servers. Its source code is available here: https://github.com/gregsadetsky/chrome-dont-add-custom-search-engines ==== Updated July 22nd, 2019 - support for more sites (including DuckDuckGo) - bug fixes Updated June 16th, 2018 - support for more sites - bug fixes