New: Text, Code & JSON Diff Checker is live — compare instantly, 100% privateTry itNew: Image to JPG converter — batch, quality slider, HEIC & AVIF supportedConvertNew: Image to PNG converter — lossless output, transparency preservedConvertNew: Image Compressor — target size mode, WebP output, batch processingCompressNew: Text, Code & JSON Diff Checker is live — compare instantly, 100% privateTry itNew: Image to JPG converter — batch, quality slider, HEIC & AVIF supportedConvertNew: Image to PNG converter — lossless output, transparency preservedConvertNew: Image Compressor — target size mode, WebP output, batch processingCompressNew: Text, Code & JSON Diff Checker is live — compare instantly, 100% privateTry itNew: Image to JPG converter — batch, quality slider, HEIC & AVIF supportedConvertNew: Image to PNG converter — lossless output, transparency preservedConvertNew: Image Compressor — target size mode, WebP output, batch processingCompressNew: Text, Code & JSON Diff Checker is live — compare instantly, 100% privateTry itNew: Image to JPG converter — batch, quality slider, HEIC & AVIF supportedConvertNew: Image to PNG converter — lossless output, transparency preservedConvertNew: Image Compressor — target size mode, WebP output, batch processingCompress

ISBN Metadata Extractor

Look up book title, author, publisher, page count, and cover image for any ISBN. Queries Google Books first, falls back to Open Library. Supports single and bulk lookup.

This is the only pdf24x tool that queries external services (Google Books & Open Library). No pdf24x server involved.

Data fetched from Google Books & Open Library public APIs. No pdf24x server sees your queries.

Processed in your browser — your file is not sent to any server

How to Use

  1. 1

    Paste ISBNs

    One per line or comma-separated. Both ISBN-10 and ISBN-13 supported.

  2. 2

    Click Fetch metadata

    The tool queries Google Books first, then Open Library as fallback.

  3. 3

    Review results

    See title, authors, publisher, publish date, page count, language, and cover image.

  4. 4

    Export as CSV

    For bulk lookups, download all data as CSV for further processing.

Common Use Cases

  • Enrich a book catalog with title/author data
  • Verify unclear entries in library records
  • Build a spreadsheet of book metadata from ISBNs
  • Cross-check publisher info across multiple sources

Related Tools

Frequently Asked Questions