publica.la

Book Metadata Extractor

Upload a PDF or EPUB and get its core metadata normalized to the ONIX 3 standard — title, contributors, publisher, ISBN, BISAC and Thema subjects, and retail keywords.

Free AI-powered tool

Drag and drop your PDF or EPUB here

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Browse files
Max file size: 100 MB · PDF & EPUB

Your file is processed securely and deleted immediately after analysis. Only sampled excerpts are analyzed.

ONIX 3 normalized

Fields map to the ONIX for Books 3 standard maintained by EDItEUR: title, contributors with List 17 role codes, publisher, publishing dates, identifiers, and more.

BISAC & Thema classification

Get suggested BISAC Subject Headings and Thema categories, plus retail search keywords in the language of the book.

Smart page sampling

We analyze the first and last pages (where title, copyright, and colophon live) plus a few middle pages — fast, private, and accurate.

Need clean metadata across your whole catalog?

publica.la helps publishers manage, distribute, and sell digital content — with structured metadata, automated EPUB processing, and ONIX-friendly workflows.

Field normalization based on the ONIX for Books 3 standard maintained by EDItEUR. BISAC is a trademark of BISG; Thema is maintained by EDItEUR.