These services run entirely in your Chrome browser and do not require installations or extensions:
Control Your Roku Directly From Your Browser. Start Online Remote Download Universal Remote. tv-remote.app Remote Control for TV - Chrome Web Store roku remote online for chromebook no download
The Ultimate Guide to Roku Remote Online for Chromebook: No Downloads Required These services run entirely in your Chrome browser
Enter your Roku IP address directly into the web remote interface. roku remote online for chromebook no download
Both options work without downloading anything to your Chromebook.