If you want to do this without any limits, the program is much likely to require a payment. Virtually all PDF editors build the feature to combine PDF files, like Pdf Merging Online , Foxit, Nuance, but the price is quite high, if you don’t need the editing function that often, you can use a PDF creator. For mac users, Cisdem PDF Converter OCR is recommended, you can create PDF and convert PDF with this program, also it supports OCR. For Windows users, IceCream PDF Converter is recommended, same as Cisdem, it offers 2-way conversion, but not support OCR.
You can also create PDF and OCR files directly, but only some PDF and OCR programs allow this. I do not care about OCR. I use it for some text-processing. Convert PDF to Plain Text If you plan to send it as a PDF to your customers and want to keep it as a plain text, it's very possible. If you plan to send a PDF to a developer, you will lose all the editing features of your PDF, and may have to use Adobe Acrobat Reader which, according to Wikipedia, cannot handle PDF as plain text format. As I said before, if you want to use PDF as a plain text for the company printing on your website or sending the PDF for printing/copying, you can use Acrobat Reader as well. If you plan to send PDF to your customers as plain text, you should have an email marketing strategy which is.