One of the most user-friendly formats you can convert your TXT file into is TTML.
TTML files are easier to create and work with since they're essentially plain text. You can also easily export or import them from and into other applications. If you need to convert your files from TXT to TTML, consider using GoTranscript's online subtitle converter. This subtitle converter is free, and you do not need to register for an account to use the converter.
Additionally, you won't need to install any software since the converter runs on a web page. You can use this tool from any device with internet connectivity and a web browser. Here's how to use the GoTranscript subtitle converter:
Enjoy hassle-free TXT to TTML file conversion with the GoTranscript subtitle converter. The subtitle format conversion tool is fast and absolutely free, and you can use it at your convenience to convert as many files as you want.