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PageIndex
Professional AI Co-Reader for Complex Documents
PageIndex is an AI co-reader built for deep document research. Ask questions directly on long and complex documents and get accurate, reference-backed answers you can instantly verify. Compare filings side by side, share with a link, or chat with public knowledge packs.
Hey PH 👋 Mingtian here, founder of PageIndex.
A year ago, we set out to build AI that reads a document the way a human expert does: understand the structure, follow the evidence across pages, and cite the exact line.
Today, we’re launching PageIndex, bringing that technology into a simple browser-based workspace.
📄 1,000-page documents, with tables and charts actually understood.
📍 Every answer has a clickable reference to the exact line in the source.
🔁 Ask one question across several documents and compare them side by side.
🌐 Explore ready-made public knowledge spaces: SpaceX's IPO filings, Stanford CS229, the YC SAFEs, and more. Nothing to upload, just chat with one and feel the difference.
PageIndex achieved 98.7% accuracy on FinanceBench, a benchmark for answering questions about financial documents. Our open-source project has earned more than 34K GitHub stars, and over 30K cloud users already use PageIndex.
Who it's for: analysts reading filings, lawyers reading contracts, researchers reading papers. Anyone whose documents are too important to skim.
🎁 Product Hunt launch offer: use code PRODUCTHUNT to get 1 month of PageIndex Pro free. Limited to the first 100 users.
I'll be here all day, reading every comment.
Mingtian & the PageIndex team
About PageIndex on Product Hunt
“Professional AI Co-Reader for Complex Documents”
PageIndex was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #94 on the daily leaderboard. PageIndex is an AI co-reader built for deep document research. Ask questions directly on long and complex documents and get accurate, reference-backed answers you can instantly verify. Compare filings side by side, share with a link, or chat with public knowledge packs.
On the analytics side, PageIndex competes within Productivity and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how PageIndex performed against the three products that launched closest to it on the same day.
Who hunted PageIndex?
PageIndex was hunted by Zac Zuo. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of PageIndex including community comment highlights and product details, visit the product overview.
Zac Zuo