The Userbrain Recorder is a free Chrome add-on developed by Userbrain. It is designed to help users participate in user testing sessions by recording their test sessions. The add-on is only active while you are completing a test that you have opted in to.

Userbrain is an online tool that provides fast, simple, and affordable user testing services. With the help of thousands of testers, Userbrain aims to empower designers, UX experts, founders, and marketers to build products that people love to use.

To get started with the Userbrain Recorder, you need to have an account. If you don't have one yet, you can easily register on the Userbrain website. Once you have the add-on installed, you can initiate your first test by clicking on the Userbrain Icon, which may be hidden inside a puzzle-like icon next to your browser's address bar. For easy access, you can pin the Userbrain Recorder.

If you need any assistance, Userbrain provides a knowledge base where you can find helpful resources. Additionally, the Userbrain Recorder respects your privacy and will only be active during a usability test that you have opted in to. The recording will stop once the test is completed or exited.

Overall, the Userbrain Recorder is a useful tool for those who want to participate in user testing and contribute to the improvement of products and services.