To use a Roku remote online from your Chromebook without downloading an application, you can use specialized web-based tools that run directly in your Chrome browser.
Using a Web-Based Roku Remote on a Chromebook (No Download Required)
Your Roku must be set up in the Google Home mobile app first. 3. Third-Party Web Apps
Chromebook users can control Roku devices without downloading apps by using web-based tools like the official Roku Remote Tool Remote Control for TV extension Online Remote for Roku
Open the Chrome browser on your Chromebook.
Visit remoteku or similar "Remoku" web versions that offer a graphical remote directly in the browser. Key Features: