The new standard in book indexingoutscores published indexes and the automated competitors
Generate subject, author and source indexes from PDF page proofs with AI-powered book indexing software. Delivered in 24 hours at lower cost than manual indexing, with tools to review and edit entries against your manuscript.
Highest quality
Top-ranked at 98.05 out-of-the-box, with powerful editing tools to close the final gap.
Fully guided
Think TurboTax for book indexes. Try priority or exhaustive review modes.
Private
Your manuscript and generated content are not used for advertising or generative AI training. Privacy Policy
Measured against the alternatives
Publication Intelligence Indexer leads by nearly 10 points.
Publication Intelligence Indexer produced the highest-performing subject index in our source-grounded evaluation of four indexes for The Oxford History of the French Revolution.
See the full comparisonOxford History of the French Revolution (2002)
6 dimensions- Publication Intelligence Indexer0.0098.05Mechanics: 5.00 pointsNavigation: 19.78 pointsReferences: 24.85 pointsFidelity: 15.00 pointsCoverage: 19.50 pointsSelectivity: 13.92 points
- Published index0.0088.43Mechanics: 5.00 pointsNavigation: 19.34 pointsReferences: 20.00 pointsFidelity: 15.00 pointsCoverage: 17.62 pointsSelectivity: 11.47 points
- IndexerLabs0.0078.34Mechanics: 5.00 pointsNavigation: 18.00 pointsReferences: 20.00 pointsFidelity: 6.00 pointsCoverage: 19.75 pointsSelectivity: 9.59 points
- Indexia0.0064.33Mechanics: 5.00 pointsNavigation: 17.69 pointsReferences: 12.50 pointsFidelity: 12.00 pointsCoverage: 8.00 pointsSelectivity: 9.14 points
- Mechanics
- Navigation
- References
- Fidelity
- Coverage
- Selectivity
The AI-generated indexes were scored exactly as delivered, without subsequent human editing. The published index was human-created and extensively edited. Publication Intelligence Indexer’s editing workspace lets you review the evidence and refine every detail before publication.
Powerful AI tools for publishing
Document Analysis
Review the roles of every page and text atom, then export the analysis as portable JSON.
- Page roles
- Page numbers
- Document outline
- Text element classification
5¢/ page
- Credited toward your first index-generation purchase for that document.
- Review and edit every aspect of the analysis.
- Export text, page roles, text classifications, ignored pages, and outline as reusable JSON.
- Upcycle with other products or use it on its own.
Early access · Existing account access and purchase eligibility apply.
Index Generator
Best-in-class index generation, followed by fully-guided review and editing.
Subject Index
$2.00/ 1k tokens
- Concept-based headings
- Subentries & cross-references
Author Index
$1.00/ 1k tokens
Source Index
$0.75/ 1k tokens
- Source/canon detection
- Sacred, classical, legal, etc
Upcycles:
Early access · Existing account access and purchase eligibility apply.
Manuscript Metadata
One output type
$0.14/1k tokens each
Two output types
$0.10/1k tokens each
All three types
$0.08/1k tokens each
Abstracts
Keywords
Summaries
Manual workflow? We’ve got you covered.
Index Editor
FREE- Create or import Subject, Author and Source indexes
- Edit entries and cross-references and locators
- Highlight your manuscript or work without one
- Export as Markdown or JSON
Use alone or with:
Already have a subject index? Make it better.
Index Review
Paid manuscript-based assessment, benchmark-based assessment and Index Repair initially support subject indexes only. The free Editor supports Subject, Author and Source indexes; free checks and basic fixes apply where qualified for each index type.
Index-only
FREE- Structure and hierarchy
- Page reference formatting
- Duplicate entries and references
- Broken cross-references
- Circular links and chains
- Overcrowded entries
Upcycles:
Manuscript-based
- Source-backed entries
- Meaningful vs. passing mentions
- Entry wording and source meaning
- Headings and subdivisions
- Cross-reference relevance
- Coverage across chapters
- Linked evidence and highlights
Upcycles:
Benchmark-based
- Independent benchmark comparison
- Missing essential subjects
- Missing reader access points
- Missing cross-references
- Access to relevant passages
- Answers to research questions
- Page reference reliability
- Results: detailed quality report
Upcycles:
Index Repair
- Turn supported Index Review findings into proposed fixes
- Correct heading order, page references, duplicate coverage and ranges
- Preview proposed changes before applying them
- Apply fixes to selected entries, or apply the full proposal
Upcycles:
From proof pages to publication
What it’s like to use Index Generator
From our UI components
01 Build & Edit
A long-running process prepares the book and constructs its indexes.
02 Inspect Evidence
See the exact passages behind every proposed entry and locator.
Review source evidence
03 Choose Review
Clear flagged items with focused Priority or exhaustive Full review.
04 Export
Export hierarchy, locators, groups, and cross-references as Word (DOCX), Markdown, or JSON.
Publisher workflows
Start with your publisher’s indexing workflow.
Your production process determines what you import, how index entries connect to the text, and what you deliver.
PDF → Page-number index
Proof-page indexing
Start with PDF page proofs and get a separate index with the book’s printed page numbers.
Publishers using this workflow
- Berghahn Books
- Bristol University Press
- Columbia University Press
- Cornell University Press
- Duke University Press
- Edward Elgar Publishing
- Johns Hopkins University Press
- MIT Press
- Penn State University Press
- Policy Press
- Sage
- UCL Press
- University of Chicago Press
- University of Georgia Press
- University of Michigan Press
- University of Minnesota Press
- University of Nebraska Press
- University of North Carolina Press
- University Press of Florida
- University Press of Kansas
- Yale University Press
Publisher requirements & AI permissions
The PDF route is available in Publication Intelligence. Confirm your title’s proof revision, index length, style, handoff format and AI permissions with production.
Bristol and Policy Press typically index from final or second proofs; Sage describes first proofs, and UCL leaves the stage to the production editor. Edward Elgar explicitly rejects Word’s embedded indexing function. Georgia allows preliminary manuscript preparation but requires conversion to the book’s page numbers; that is not embedded indexing.
Columbia restricts distribution of proof PDFs; provider processing needs permission. Hopkins and Minnesota emphasize human judgement when preparing an index.
A complete AI-policy audit has not been conducted for every publisher listed.
Word → Embedded index
Embedded manuscript indexing
Index entries stay attached to the text inside your Word document, so they follow the manuscript through pagination.
Publishers using this workflow
Publisher requirements & AI permissions
Cambridge describes Word or LaTeX indexing before submission. De Gruyter documents Word XE fields. Springer Nature’s guidance covers Apress and Palgrave Macmillan too. Goodfellow carries Word index markers into InDesign; Lived Places requests embedded Word entries.
PI’s Word application integration is in development; LaTeX import is unavailable. Confirm the technique and handoff rules for your title.
Cambridge requires IP-owner permission, confidentiality safeguards and declared AI use. Lived Places requires advance publisher approval and disclosure of author AI use. AI permissions for other listings still need confirmation.
Word or PDF
Manuscript or proof-page indexing
These publishers document both routes. Your production editor confirms which one applies to your book.
Publishers using these workflows
Use PDF proofs for a separate Word index today. Embedded Word manuscript indexing is in development.
Route guidelines & AI permissions
Brill and Wiley describe both approaches in their linked guides. For CRC Press, Routledge and Taylor & Francis, the links above cover the proof-page route; the manuscript guide below covers Word XE entries submitted with the original manuscript.
Brill’s official guide was verified through indexed text; Wiley’s accessible guide is on its official author-services mirror. Confirm the route and delivery rules with production. Taylor & Francis requires early editorial approval and disclosure of AI use; AI permissions for the other listings still require confirmation.
Confirm your title’s workflow
Working with one of these publishers? Ask your production editor which source and index format your book needs. Public author resources did not establish an indexing route; these links are author resources, not verified indexing guidelines.