Upload a PDF, and our AI will extract key terms with page references and organize them into a back-of-book style index. Get started for free — you only pay if you want to keep your results.
Upload your PDF to get started
Drop a PDF here or click to select a file
Choose PDFSupports PDF up to 55 MB · Text-searchable PDFs work best
A real example from a 180-page business book
Competitive advantage sustainable strategies, 34-38 value chain analysis, 42-45 see also Market positioning Customer segmentation demographic analysis, 67-71 psychographic profiling, 73-78 B2B vs B2C approaches, 80-84 Digital transformation cloud adoption, 112-118 legacy system migration, 120-125 see also Technology strategy Leadership change management, 145-152 organizational culture, 155-160 Market positioning, 45-52 blue ocean strategy, 48-50 see also Competitive advantage Revenue models subscription-based, 89-94 freemium conversion, 96-100 Technology strategy, 108-130 see also Digital transformation
Hierarchical entries with sub-terms, page ranges, and cross-references. Exported as TXT, DOCX, or PDF.
Sign in with Google and upload your PDF. Text-searchable files up to 55 MB.
The AI reads your document, extracts key terms with page references, and groups related concepts. Takes 10-15 minutes.
Review the generated index in an interactive editor. Edit terms, merge duplicates, then export to TXT, DOCX, or PDF.
Text-searchable PDFs (exported from Word, InDesign, LaTeX)
Non-fiction: business, academic, technical, reference books
50-400 pages — ideal length range for AI analysis
Niche or specialist terminology may need manual editing after generation
Scanned-image PDFs without embedded text produce poor results
Fiction indexing is experimental — character and theme extraction is less reliable
Your first index is free — no credit card required.
Upload your PDF to get started
Drop a PDF here or click to select a file
Choose PDFSupports PDF up to 55 MB · Text-searchable PDFs work best
Sign in with Google, upload a PDF, and the AI generates an index with page references. You can get started for free — no credit card required. Review and edit your results, then only pay when you're ready to export.
We support text-searchable PDF files up to 55 MB. Scanned-image PDFs without embedded text will produce poor results. Most PDFs exported from Word, InDesign, or LaTeX work well.
Typically 10-15 minutes for a 200-page book. Shorter documents process faster. You'll see real-time progress updates during processing.
Yes. The AI generates a draft that you review in an interactive editor. You can rename terms, merge duplicates, add entries, delete irrelevant ones, and adjust page references before exporting.
You can export as plain text (TXT), Microsoft Word (DOCX), or PDF. All formats include proper formatting with hierarchical entries and cross-references.
The AI produces a solid first draft that typically covers 80-90% of the terms a professional indexer would select. You should budget 30-60 minutes of editing time to refine terminology, add niche terms, and verify cross-references.
Sign in with Google, upload a PDF, and see results in about 15 minutes. Only pay when you're happy with the output.
Get startedNo credit card required to start