For some reason nobody mentioned calibre : https://calibre-ebook.com/
This fantastic free product is a reader and converter of :

Input formats: AZW, AZW3, AZW4, CBZ, CBR, CBC, CHM, DJVU, DOCX, EPUB, FB2, HTML, HTMLZ, LIT, LRF, MOBI, ODT, PDF, PRC, PDB, PML, RB, RTF, SNB, TCR, TXT, TXTZ.

Output formats: AZW3, EPUB, DOCX, FB2, HTMLZ, OEB, LIT, LRF, MOBI, PDB, PMLZ, RB, PDF, RTF, SNB, TCR, TXT, TXTZ, ZIP.

Harry  –  5 years ago  –  Βρήκατε αυτό το σχόλιο χρήσιμο? ναι | όχι (+25)

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Installed and activated Pro ok on Win 7 64U.

Performance on this rather hot I7 machine surprisingly pokey reading PDF. Zoom took so long I didn't think it was working until the page jumped a few seconds after I thought it should.

I was hoping for an effective search tool here and didn't find it. Searching the PDF on a variety of words I knew were in the document all came back with no returns. Zero - nada or not one.

My needs on a console are for PDF only. I have a tablets for real reading so the combination of poor performance with no searching available makes this one a non-keeper here.

paul  –  5 years ago  –  Βρήκατε αυτό το σχόλιο χρήσιμο? ναι | όχι (+13)

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Installed easily on Windows 10 64 bit and functions as it should.

I have given it a good try and then uninstalled it.

My opinion is that it does not come close to Calibre, which I admit I am used to so that may have a bearing, but this programme gives me no real need to change. It seems to have far less file compatibility and flexibility and doesn't recognise or open many of the books that I have in my Calibre library. I rather thought a paid for programme would offer more than a free one, I'm afraid that does not appear to be so.

Kestrel  –  5 years ago  –  Βρήκατε αυτό το σχόλιο χρήσιμο? ναι | όχι (+11)

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I'm not very impressed, and will continue to use calibre.

Installed and licensed without issue. But hard crashes when adding a "folder" to its discovery of reading material.

Then when sending a crash report to the mother-ship, it fails.

casper  –  5 years ago  –  Βρήκατε αυτό το σχόλιο χρήσιμο? ναι | όχι (+10)

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Tested on a PDF file that contains information about my router, WPS light out and problems with wireless connections, searched within the file for WPS and it presented a listing of the page numbers in which it is mentioned.
If I clicked on the separate items in the listing it took me to that point in the document, very useful.

There is an icon marked contents this opens up the contents page within the PDF file, when this is open there is also heading marked bookmarks and this only shows the one I made, not those within the original PDF bookmarks listing.

Having trouble navigating from page to page as have not found a way to do it yet, help file is pretty poor as it is online
.
One big problem is registration; when I hit activate the program shuts down and when I reopen and go to settings, then activate and still getting the message "Activate Pro Version." Cannot find any about box to check if I'm registered; yet another program where psychic powers are required.

Must admit I really like this program and it could be so useful once I get the hang of its minimalistic interface.
If anyone can see a way of checking if they are registered or not would appreciate any help in this area.

Salvia  –  5 years ago  –  Βρήκατε αυτό το σχόλιο χρήσιμο? ναι | όχι (+9)

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