GROBID Tools

Extract PDF Metadata & Citations in Your Browser

🔒 100% Private - Your data never leaves your computer
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Drop PDF Here or Click to Upload

Maximum file size: 50MB

What Gets Extracted Automatically

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Bibliographic Metadata

  • Document title
  • Author names
  • Publication year
  • Abstract text
  • Keywords
  • Page count
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Identifiers & Links

  • DOI (Digital Object Identifier)
  • URLs from references
  • Citation identifiers
  • ISBN numbers
  • ArXiv IDs
  • PubMed IDs
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Citations & References

  • Full bibliography list
  • Citation parsing
  • Reference year detection
  • DOI extraction per citation
  • Structured JSON export
  • Raw text preservation

Multiple Export Formats

Transform your PDF data into any format you need - all processed locally in your browser

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JSON

Structured data with all metadata & citations

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Plain Text

Clean UTF-8 text file (.txt)

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Word

Formatted DOCX document

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Markdown

GitHub-flavored Markdown (.md)

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BibTeX

Citation format for LaTeX (.bib)

Why Choose Browser-First PDF Tools?

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100% Private

Your PDFs never leave your computer. All processing happens locally in your browser.

Lightning Fast

No server round-trips. Instant processing with modern browser APIs and web workers.

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Works Offline

Install as a PWA and process PDFs anywhere, even without internet connection.

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Forever Free

No sign-up, no API limits, no hidden costs. Open-source and community-driven.