22 votes

How can I reduce the resolution of images in an epub or mobi file?

Calibre already offers this functionality without any plugin. It's part of the ebook editor that installs with Calibre. The editor will only edit files in the epub or azw3 format though. You can ...
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  • 321
5 votes
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How can I reduce the resolution of images in an epub or mobi file?

I had a similar situation: a 134 MB .mobi that I wanted to shrink. Here's how I reduced the file size to 26 MB. The key to this approach is that an .epub is actually just a zipped web page with ...
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5 votes

How can I reduce the resolution of images in an epub or mobi file?

Note: I intended to leave this as a comment for @mosh but didn't have the necessary rep. This is my own personal solution based on the solution he outlined. This will recursively scan a specified ...
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4 votes

How can I reduce the resolution of images in an epub or mobi file?

bash script to for bulk compressing images in big.epub to small.epub on Windows7 or Linux. You need to install cygwin on windows for (bash, unzip, zip, find, imagemagick). #!/usr/bin/bash USAGE="...
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  • 141
3 votes

How can I reduce the resolution of images in an epub or mobi file?

Here is a Python script I use to automate reducing the size of epub books: https://github.com/murrple-1/epub-shrink Example usage: $ python epub-shrink/app.py input_file.epub output_file.epub --jpeg-...
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  • 131
2 votes
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How to OCR tables of contents to proper outputs?

Define what is: "fix it at the first place". If you want to fix wrong output from OCR analysis, a simple solution on an infinite set of TOCs you will never make. You will never apply all variations. ...
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2 votes

How can I reduce the resolution of images in an epub or mobi file?

Just install and use Send to PC official Kindle app for transferring files over the air to your device https://www.amazon.com/gp/sendtokindle/pc
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2 votes

How can I reduce the resolution of images in an epub or mobi file?

The short answer is that with few exceptions you should NEVER need to scale down .mobi files because Amazon.com will do it for you. I think 5.5 MB is a reasonable file size for an epub file. I don't ...
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