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Compress EPUB

Select a EPUB file to upload and convert


This free compressor can help you compress EPUB files, reducing its file size and making these ebooks easier to store, transfer and share. Especially, if you have many large ebook files, you can create a smaller ebooks with the same content as the original file with this tool, so you can read more ebooks on your ebook reader or phone. If your source file is very large, the whole compression process may take a long time. Please make sure that the source ebook can be opened and viewed properly, and has a good file struct and directory.

How To Use

  1. Select an EPUB file.
  2. Click the "Convert" button to start uploading your files.
  3. Once the upload is complete, the converter will redirect a web page to display the conversion results.


  • The maximum upload file size is 200 MB.
  • Before uploading, please make sure you agree to the terms of this website.
  • If the file upload process takes a long time or is unresponsive or very slow, please try to cancel and resubmit.
  • This converter does not support encrypted or protected ebooks, such as DRM protection and more.

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