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.

How to Extract Text From a PDF to Word. The Adobe Portable Document Format has become a standard among business and governmental agencies for storing and distributing records. Adobe's Acrobat PDF ...

In addition, AlterPDF allows you to extract only text from PDF files. Select "Extract Text", specify the page to extract, and click "Extract".

PDF files are a poor format for text extraction, and FilingDB recommends that you check for data in other formats before extracting text from PDF files.

Why extracting data from PDFs is still a nightmare for data experts Countless digital documents hold valuable info, and the AI industry is attempting to set it free.