With FileStar you can easily convert TXT to HTML. Accessible directly in your right click menu for single or batch TXT processing. How to convert TXT to HTML:
1. Download and install the latest version of FileStar. (https://filestar.com)
2. Right click on one or more TXT file(s) on your desktop and select Convert with FileStar.
Type convert "html" in the search box.
3. Press Run.