Search across document sets
Brings in an entire set of long professional documents for questioning.
Research / product dossier
PageIndex
Answers document-set questions with citations that jump to highlighted source lines.
Product brief
What PageIndex does.
PageIndex gives you accurate, trustworthy answers across long, professional documents your work depends on. Bring in your entire document set, ask your hardest question, and click any citation to jump to the exact highlighted source line, so you can verify it in seconds.
Why we selected it
A practical, verifiable document-research workflow: source-line citations make answers easier to audit than ordinary document chat.
- Best for
- Teams researching high-stakes documents
- Category
- Research
- Daily picks
- 1
- First selected
- 2026-08-28
Product preview saved with our daily selection
Capability scan
What it can help with.
Only capabilities supported by the product information we collected are listed here.
Answer document questions
Provides answers to questions about the supplied documents.
Cite source lines
Links answers to citations that can be opened at the exact highlighted source line.
Support answer verification
Lets researchers inspect cited source text to audit an answer.
Best-fit use cases
Researching high-stakes professional document collections.
Checking the source language behind an answer before relying on it.
Finding evidence for difficult questions spread across long documents.
FAQ
Before you open it.
What is PageIndex?
PageIndex is a document-research tool for getting answers across long professional documents, with source-line citations.
How can I verify an answer?
You can click a citation to jump to the exact highlighted line in the source document.
Who is PageIndex for?
It is aimed at teams researching high-stakes documents.