Online EPUB Compressor

Reduce EPUB size while maintaining original file quality

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Compression level

JPEG Compression level

5
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Output file name without extension
5%

Read, convert, merge, split documents

Compress EPUB file online

Quickly reduce the size of a EPUB file by optimizing its internal content. Easily make EPUB smaller while preserving all data. This Online EPUB Compressor is at your tool 24/7.

Work with large EPUB files efficiently. Online EPUB Size Reducer uses a number of lossless data compression algorithms to produce accurate and compact output. You can seamlessly reduce the size of Word and PDF documents, presentations PowerPoint, JPG, PNG, TIFF images and many other file formats.

Shrink the size of EPUB file online

We have a solution to your problem of large EPUB files that are starting to get out of hand. EPUB compression is the process of re-encoding data with fewer bits. Just use our Online EPUB Compressor and shrink the size of large EPUB files in a minute.

EPUB Compression for free

After a EPUB file is compressed, its structure, content, and visual style will be exactly the same as the original. You won't notice the difference because this app implements lossless EPUB compression, which results in the optimization of internal EPUB data structures and makes output file smaller without changing user-level data.

How to compress EPUB online

  1. Upload EPUB files to compress.
  2. Specify parameters and press the button to compress EPUB.
  3. Download the compressed EPUB files for instant viewing or email the link.
  4. Output files will be deleted from our servers after 24 hours and download links will stop working.

Other Compression Online

Compress other documents

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