Stop collecting highlights.
Start thinking with them.
You've read hundreds of books and highlighted thousands of passages. Syntopica gives every book an AI reading guide, synthesizes insights across collections, and grounds every answer in your actual highlights—cited, never hallucinated.
Import unlimited books. No credit card required.
The problem with how we read
You read to learn, to grow, to think better. But most of what you read disappears.
Books pile up, unconnected
You've bought 500 books on Amazon. Goodreads has maybe 100. Your Kindle highlights are scattered across devices. Nothing talks to each other.
Highlights go to die
You highlight brilliant passages in the moment. Then they sit in a notebook you never open. The insight that could change your thinking—forgotten.
No one connects the dots
That book on habits echoes that book on neuroscience. The biography confirms the philosophy. But you have to hold it all in your head. Until now.
Three ways to think with your books
Group books into collections, then chat across them. Choose a mode for how deep you want to go.
Scholar
Cites only your highlights. Every claim traced back to a passage you actually marked.
Explore
Your highlights plus broader knowledge. Goes deeper, clearly labeled so you always know the source.
Curator
Refine your collection. Suggests books to add or remove—with one-click action buttons.
+ Add: Misbehaving
Then export a Syntopical Brief — a structured, citable synthesis across the entire collection. Markdown-formatted, ready to share or save.
Every book gets an AI reading companion
Not just collections — every individual book in your library gets AI-powered tools, whether you've read it yet or not.
Reading Guide
Works for any book — even unreadInspectional Reading Guide
Sapiens — Yuval Noah Harari
Three revolutions — Cognitive, Agricultural, Scientific — explain how Homo sapiens came to dominate Earth...
- • Was the Agricultural Revolution truly "history's biggest fraud"?
- • How do shared myths enable large-scale cooperation?
Your Analysis
For books with highlightsAnalytical Summary
Thinking, Fast and Slow — Daniel Kahneman
Your 34 highlights cluster around cognitive biases in professional judgment, especially anchoring and availability heuristic...
Plus single-book chat in Scholar or Explore mode — ask anything about any book.
Get started in 2 minutes
No manual data entry. No CSV wrangling. Just your actual library.
Install the extension
Add our Chrome extension. It only runs on Amazon pages and never sees your password.
Import your library
Go to amazon.com/yourbooks, click import. Watch 10 years of books appear in seconds.
Explore and think
Your books are enriched with metadata, covers, and author info. Get AI reading guides, build collections, and start synthesizing across your library.
Built different
Not another social feed. Not another highlight graveyard.
| Goodreads | Readwise | Syntopica | |
|---|---|---|---|
| Complete Amazon import | Manual entry | Highlights only | ✓ One click |
| Cross-library synthesis | — | — | ✓ Full AI |
| Collections chat | — | — | ✓ Core feature |
| Single-book AI reading guides | — | — | ✓ Every book |
| Rich metadata (authors, series, awards) | Basic | — | ✓ Wikidata-enriched |
| Exportable cross-book synthesis | — | — | ✓ Syntopical Briefs |
| Social noise | High | Low | None |
Your library, enriched.
Every book you import is run through a multi-source enrichment pipeline — Google Books, OpenLibrary, and Wikidata — to build the richest possible profile.
- ✓Cover art, descriptions, and page counts
- ✓Author bios, birth/death years, nationalities
- ✓Series order, awards, film/TV adaptations
- ✓Genres, themes, and subject classification
- ✓Reading status, star ratings, and a swipeable book rater
Thinking, Fast and Slow
Daniel Kahneman
Your library deserves better.
Import your Amazon library in one click. Get AI reading guides for every book. Build collections and synthesize across everything you've ever read.
Get Started FreeImport unlimited books. No credit card required.