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PDF Index Generator vs Cromagnon

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PDF Index Generator compared with Cromagnon
DetailPDF Index Generator logo PDF Index GeneratorCromagnon logo Cromagnon
What it doesAI-powered tool to generate a professional book index in minutes Free private studios and tools for PDFs, documents, spreadsheets, data, images, slides, study, citations, maths and code, all running in your browser
StageEstablished Not given
FoundedNot given Not given
Based inEG Not given
Pricing modelPaid Free
Pricing$69.95 USD All studios and tools are free with no watermarks or daily limits. A free account adds sync between devices and 50 MB of cloud files, with no charge.
Key features
  • AI-powered automatic term extraction from book content
  • Support for 1000+ page documents with consistent speed and precision
  • Multiple output formats including PDF, Word, and plain text
  • Built-in index templates and customizable styling
  • Header, sub-header, and cross-reference handling
  • Clickable hyperlinks in generated indexes
  • Support for multiple languages and international content
  • Password-protected PDF handling
  • Automatic names index generation detecting person names
  • PDF annotation, highlighting, text and image insertion, signing, redaction, merging, splitting, reordering, compressing, form filling, password protection and OCR
  • Word document creation with real DOCX file format export
  • Excel spreadsheet editing with working formulas
  • CSV data cleaning, reshaping and charting
  • Flashcard study with FSRS memory model and eight study modes
  • Citation formatting in APA, MLA, Chicago, Harvard, IEEE and 13 more styles
  • Mathematical problem solving with step-by-step answers
  • Photo editing with color grading, compression and format conversion
  • Offline installation as browser app with sync on reconnect
  • Support for 107 languages and right-to-left scripts
What makes it different
  • AI understands book content for intelligent term extraction without manual lists
  • Processes 1000+ page books with professional results in minutes
  • Over 10 years of professional indexing expertise behind the tool
  • No Adobe Acrobat or Microsoft Word required to use
  • All processing happens in your browser with no file uploads required
  • No account needed to use any studio or tool
  • Completely free with no watermarks, trials, daily limits or ads
  • Works offline as an installable browser app
Community votes00
DR (Domain Rating by Ahrefs)30 no change since last check9 no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)290
Referring domains (Majestic)1200

5 details filled in for both companies.

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