Which ai can convert epub files into smaller volumes ?

AI tools to compress EPUB files 2025

Refined the query to specify 'AI tools' and included 'compress' to better capture the user's intent of reducing file size, along with adding the current year for the most relevant results.

When it comes to compressing EPUB files, several AI-based and traditional tools can effectively reduce file sizes without significant loss of quality. Below are some of the most notable options available:

Popular AI Tools for Compressing EPUB Files

1. EPUB Optimizer

Developed as an open-source tool, EPUB Optimizer allows users to gain full control over the optimization of their EPUB files. This tool helps refine the content while compressing it effectively.

2. Ebook Squeezer

Ebook Squeezer is a completely free online tool that provides an easy interface for compressing EPUB files without any size restrictions. It's user-friendly and designed to optimize ebook files quickly.

3. epuboptim

The epuboptim CLI tool specializes in optimizing EPUB files using multiple third-party tools. By reducing image sizes and eliminating excessive metadata, this tool enhances loading times and decreases overall file size efficiently.

4. Online EPUB Compressor

The online service provided by File Format Apps lets users compress EPUB files easily. By dragging and dropping files, users can quickly reduce file sizes without needing to download additional software. This tool also supports bulk file uploads.

5. Aspose EPUB Compression

Aspose offers a robust online platform to upload and compress EPUB files. Users can select various compression levels (low, medium, or high) before finalizing the compression process.

6. Calibre

While primarily known as an ebook management tool, Calibre includes features for EPUB optimization. Users can right-click on an EPUB file, select “Edit book,” and then use the tool to "Compress images losslessly," enhancing file size while maintaining quality.


Benefits of Using AI Tools for EPUB Compression

  • Efficiency: Many of these tools offer quick processing times, allowing users to compress multiple files simultaneously.
  • Quality Preservation: AI-assisted tools tend to maintain the quality of text and images better than traditional methods, ensuring a smooth reading experience.
  • User-Friendly Interfaces: Most of these tools cater to a broad audience, requiring no technical expertise for operation.

Conclusion

Leveraging AI tools and online compressors can significantly enhance your experience with EPUB files, particularly when it comes to managing file sizes efficiently. Whether you prefer a command-line interface or an intuitive online platform, various options are available to fit your needs. For optimal results, combining these tools with basic EPUB optimization techniques, such as reducing image resolutions, can yield even smaller file sizes while delivering a high-quality ebook experience.

Sources

10
1
How to compress an epub : r/Calibre
Reddit

You should try out the ebook compression tool at https://ebooksqueezer.online/. It's completely free and there's no size restriction on ebooks.

2
and now, an open source EPUB optimizer! 📚🛠️ | by Boopy
Medium

I developed EPUB Optimizer, an open source tool that lets me keep full control over optimizing and tweaking my EPUB files.

3
Reduce EPUB File Size Online for Free
Products

Compress EPUB file to reduce the size of documents by optimizing contents. Our EPUB compressor allows you to compress several EPUB files online for free.

4
martinus/epuboptim: A highly parallel EPUB compressor
GitHub

epuboptim is a CLI tool to optimize existing EPUB files. It does so by utilizing 3rd party tools like jpegoptim , pngoptim etc. Why? EPUBs ...

5
Compress EPUB: Reduce EPUB File Size (Free)
Onlineconverter

This free compressor can help you compress EPUB files, reducing its file size and making these ebooks easier to store, transfer and share.

6
Reduce EPUB File Size Online for Free - File Format Apps
Products

Compress EPUB file to reduce the size of documents by optimizing contents. Our EPUB compressor allows you to compress several EPUB files online for free.

7
Online EPUB File Compression or Build Python Apps to ...
Products

Upload EPUB files to compress and optimize. · Choose the Compression Level (Low, Medium or High) · Click the “Compress” button. · Download the compressed EPUB file ...

8
How can I reduce the resolution of images in an epub or ...
Ebooks

Click on Tools, then click "Compress images losslessly". Calibre > click the ebook > Edit book > Tools > "Compress images losslessly"

9
Compressing epub in Linux CLI - Steve Zazeski
Steve

Compressing epub in Linux CLI. Most epub files are not saved to have small filesizes because they expect you to download them once to a device.

10
[Feature Request] EPUB compression from Calibre #418
GitHub

In Calibre, you can compress EPUB file images by using: right-click the ebook > Edit book > Tools > "Compress images losslessly".