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New — highlight sync across devices

Read it once. Find the highlight forever.

Fenwick is a calm library for PDFs, papers and long reads. Mark up as you go, and every note stays searchable — so the thing you underlined months ago is one keystroke away.

Free for your first 40 documents. No card needed.

Library — Fenwick

Distributed systems — field notes

PDF · 24 pages · 9 highlights
Why Fenwick

Everything you read, in one quiet place

No folders to babysit, no accounts to wire together. Drop a file in and it’s indexed, readable and searchable in seconds.

Import anything

PDFs, EPUBs, papers and web clips land in the same tidy shelf.

Highlight & note

Mark passages and pin notes. Everything is grouped by document.

Search that works

Full-text search across the library, including inside your highlights.

Export clean

Send notes to Markdown or a plain summary — yours to keep.

Offline first

Your library reads fine on a plane. Sync catches up when you’re back.

Private by default

Documents are encrypted at rest. We never sell or scan them.

How it works

From a stack of files to a library in three steps

Add your documents. Drag in a folder or forward a paper by email. Fenwick indexes each one on arrival.

Read and mark up. Highlight as you go. Notes attach to the exact line so they make sense later.

Come back and find it. Search a phrase you half-remember and jump straight to the page.

Pricing

Simple plans, no surprises

Reader
$0/mo
  • Up to 40 documents
  • Highlights & notes
  • Full-text search
  • One device
Get started
Pro
$6/mo
  • Unlimited documents
  • Sync across devices
  • Markdown export
  • Offline library
  • Priority support
Start free trial
Team
$14/mo
  • Everything in Pro
  • Shared collections
  • Roles & permissions
  • Admin console
Contact sales
FAQ

Good to know

Which file types can I import?

PDF, EPUB and most common document formats, plus saved web pages. Scanned PDFs are made searchable automatically.

Do my highlights leave the app?

Only if you export them. Everything stays in your library, encrypted at rest, until you choose to send it elsewhere.

Can I use Fenwick offline?

Yes. The library is available offline and any changes sync the next time you’re connected.

Is there a student discount?

Pro is half price with a valid student email. Reach out and we’ll set it up.