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.

Online tools such as CometDocs a_nd offline tools such as the free and open source program _PDFToText can help extract formatted text from PDF files and convert them to other formats such as Excel ...

Batch convert PDF to XLS, XLSX, and CSV Excel spreadsheet formats using these free batch PDF to Excel converter tools for Windows 11/10.

If you're wanting to convert an image into text, Google Docs has a powerful Optical Character Recognition feature built right in. Here's how to make it work.