MOBI 转 FB2
把 MOBI 电子书转成 FictionBook 文件，供围绕 FB2 打造的应用和阅读器使用。
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To
MOBI
An older Amazon Kindle ebook format, still supported by classic Kindle devices.
FB2
FictionBook — an open, XML-based ebook format especially popular in Eastern Europe and well supported by reading apps.