Skip to main content
IndexPDF
Jet engines, not autopilot.

AI BOOK INDEXINGone clear decision at a time

IndexPDF is AI-powered book indexing software that turns final PDF page proofs into reviewable subject, author, and Scripture index drafts.

Private betaSeptember 2026
See how it works

  • High-quality

    Whole-book intelligence saves you time.

  • Fully guided

    Step-by-step review process for every page.

  • Private

    Your manuscript is never used for AI training, advertising, or marketing.

How we index

A stronger index starts with the whole book

IndexPDF finds significant concepts across the whole book, builds a coherent draft, and grounds every locator in the source text. You make the final editorial decisions.

From proof pages to publication

How it works

See what it’s really like

Author-led indexing

You decide what belongs

Approve, reject, merge, or reshape entries while reading the passages that support them. Authors, editors, and professional indexers can use the same guided workspace.

Multi-index production

One book. Up to three indexes.