11 best JavaScript Search Engine libraries in 2025

JavaScript search engine libraries can be used to create custom search engines. These search engine libraries can be used to create custom search engines. They are easy to install and use, and they have a simple code base that you can customize according to your needs. Some of the most popular JavaScript search engine libraries include Algolia, Google Autocomplete, etc. Jets.js is a JavaScript library which allows developers to easily create their own search engine using Express and Elasticsearch. It supports all major browsers including IE8+, Firefox, Chrome, Safari and Opera. Jets helps developers implement common features like autocomplete and autocapitalization in their applications using a simple API. ambar is a jQuery-based library that uses Google's Custom Search Engine for results, but it also allows you to use other engines such as Bing, Yahoo!, DuckDuckGo, etc... It also comes with support for highlighting matches in the page content textarea element which makes it more user-friendly than other libraries. The following is a comprehensive list of the best open source JavaScript search engine libraries.