Software Screenshot:
Extract ISBN is a Calibre plugin that allows you to easily find the ISBN (International Standard Serial Number) of an ebook.
Extract ISBN is a free add-on designed to work with Calibre 0.8.54 or higher.
What is new in this release:
- Scans all formats for the selected book(s) in preferred input format order until an ISBN-13 or ISBN-10 is found
- Runs as a background job in Calibre, prompting you to update when the scanning is completed.
- Scans only the book content, excluding HTML tag markup.
- For PDF formats, scans only the first 10 pages, then if ISBN not found, the last 5 pages in reverse order.
- For other formats, scans files at the front, then a number of end files in reverse order before the remainder of the book.
- Restricts valid ISBN-13s to those that start with 977, 978 or 979. You can add additional prefixes in the configuration if required.
- Optionally perform a search when completed showing you only the books updated (default is off). Some users may use this to then perform a metadata download.
Requirements:
- Calibre
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