https://products.aspose.com/ - No native web UI https://www.textcontrol.com/ - $8.5 for 5 server 4 dev deployment, $3.5k renewal - React control used web sockets to communicate with the C# API https://www.onlyoffice.com/ - Its a hosted editing solution. Seems too big! https://ckeditor.com/docs/ckeditor5/latest/features/converters/import-word/import-word.html - Requires extra plugin - Unsure of base price - Big name logos on landing page https://www.tiny.cloud/tinymce/features/powerpaste/#powerpaste-demo - Ugly per load pricing - $139 / month for 20k document loads for Pro. Need to phone for enterprise costing + Pro includes the Power Past DOCX plugin