Interchange can load e-books/office documents into Kindle or iBooks readable format and push them directly to Kindle. Editable eBook metadata (title, author, description, language, ISBN, ASIN...)

1, support a variety of formats, txt, epub, mobi, azw, azw3, prc, html, htm...
2, multiple formats are converted to each other, the directory is kept, the metadata is retained, and the format is perfect.
3, automatically extract the txt directory, generate an e-book with a directory
4, can edit the metadata of the e-book, you can modify the author, title, language, ISBN, ASIN..., follow-up will support the setting of the cover.
5, can rename, delete, select open mode, send mail, etc.