The Inline(context) menu is already available in RadEditor:
https://docs.telerik.com/devtools/aspnet-ajax/controls/editor/functionality/context-menus/overview
Regards,
Vessy
Progress Telerik
Virtual Classroom, the free self-paced technical training that gets you up to speed with Telerik and Kendo UI products quickly just got a fresh new look + new and improved content including a brand new Blazor course! Check it out at https://learn.telerik.com/.