To convert TXT from or to PDF with EasePDF, you just need to choose the tool “ TXT to PDF ” and “ PDF to TXT ” in EasePDF directly, then upload the files, and you will get the target file ...

AVS Document Converter can convert multiple documents into multiple formats at once. Convert TXT to PDF, DOCX, set password, merge documents, etc.

If you want to extract highlighted text from PDF file as a plain text file, then this post covers some good free PDF Highlight Extractor software to do that.