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date 11.May.2025

■ Find duplicate eBooks stored in different formats


If you have a sizeable e-book collection, say a few thousand titles, chances are you have downloaded the same book multiple times. For simple situations, you can find some duplicates (e.g with this Calibre plugin) comparing book attributes: Unfortunately in practice author/title attributes are rarely exact, ISBN might be missing, and the same book may be stored as EPUB and PDF (or MOBI, AZW3, FB2, DJVU and what have you) so it cannot be found by binary comparison. There are no tools to discover and cleanup your ebook collection accurately... or there weren't up to now!

Zabkat's i-DeClone is a duplicate search and cleanup tool that is very strong discovering similar files (e.g. duplicate movies). Now the latest version 1.90 adds to its arsenal a world first AI algorithm that can find duplicate eBooks by comparing their text content. Remember guys, you saw it here first!

Please download i-DeClone free trial and scan your ebook collection following this simple procedure. No duplicate ebook will be left undiscovered. Then you can decide to keep only books of one particular type (extension MOBI/PDF/EPUB/DJVU), keep the smaller size book, or whatever makes sense to your collector's instinct.

ebooks stored in different formats

Some points to keep in mind about the discovery process:


▼ DOWNLOAD DUPLICATE E-BOOK TOOL  
 

click to download free trial

new i-DeClone can also find duplicate ebooks by their ISBN. Not all books have ISBN but if they do they will be discovered quickly and accurately. Click for demo video  play

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