Quote:
Originally Posted by Doitsu
Mobi files are binary files and cannot be edited. However, you can convert them with Calibre to ePub files, edit them with Sigil and then convert them back to MOBI or AZW3. |
Another way is to use
KindleUnpack to obtain the source code for the .mobi file. After that, as Doitsu said, you can edit it with Sigil. But if your .mobi file is an old .mobi (a K7 mobi) then is better to use Calibre, as Doitsu also said.