Selenium is an open-source umbrella project for a range of tools and libraries aimed at supporting web browser automation. Selenium provides a playback tool for authoring functional tests without the need to learn a test scripting language.

What exactly is selenium?

Selenium is an open-source tool that automates web browsers. It provides a single interface that lets you write test scripts in programming languages like Ruby, Java, NodeJS, PHP, Perl, Python, and C#, among others.

What is selenium and why it is used?

What Is the Selenium Testing Tool Used For? The Selenium testing tool is used to automate tests across browsers for web applications. It's used to ensure high-quality web applications — whether they are responsive, progressive, or regular. Selenium is an open-source tool. And, Selenium releases regularly.