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Reflow

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Bring Your Books With You.

Reflow — your PDFs, rebuilt for reading — on iPhone, iPad and Android.

Coming soonApp StoreComing soonGoogle Play

Coming soon to iOS and Android

We’re putting the finishing touches on the store releases. Leave us a note and we’ll let you know when they’re available.

Contact us

The app

See Reflow in action.

Real screens from Reflow on Android — the same book, rebuilt for reading.
  • Reflow reading view: a chapter of the book Greedy Primates set in a large serif typeface, with page 35 of about 281 and 19% of chapter shown at the bottom.
    The reading viewClean typography, with the chapter, page and progress quietly at the edges.
  • Reflow reader settings sheet with Light, Sepia, Dark and Black themes, Literata, Gelasio, Inter and Atkinson typefaces, and sliders for font size, line spacing and paragraph spacing.
    Reader settingsTheme, typeface, size, line and paragraph spacing, margins — the book reflows as you go.
  • Reflow table of contents drawer for Greedy Primates, listing chapters with their sections — such as The Three-Pound Universe and The Ancestral Environment — and page numbers.
    A real table of contentsChapters and sections recovered from the PDF, with page numbers in your current layout.
  • Reflow book details screen for Greedy Primates by Prabhasudhan: the cover, 11% complete with 1 hour 4 minutes left, a Continue Reading button, 30 chapters, 85 PDF pages, 1 hour 12 minutes to read, and a short description.
    Your book, at a glanceProgress, time left, chapters, PDF pages and a description — and one tap to continue where you stopped.
  • Reflow reader menu listing Bookmarks, Highlights, Notes, Ask the book, Download for offline and About this book.
    Everything in one placeBookmarks, highlights, notes, Ask the book and offline download from the reader menu.
  • Reflow Ask the book screen with the request "Summarize this chapter" and a summary of the chapter below it, with numbered citations to the passages it draws on.
    Ask the bookSummaries and answers drawn from the book you are reading, with citations.

Supported devices

Designed for the screen you’re holding.

The reading layout is calculated for each device, so the same book feels at home on a phone or a tablet.
  • iPhone
  • iPad
  • Android phones
  • Android tablets

How it works

From file to book in four steps.

  1. Step 1

    Import Your PDF

    Bring the books you already own.

  2. Step 2

    We Rebuild the Book

    The content is analyzed and structured into chapters, sections, paragraphs, images and more.

  3. Step 3

    Make It Yours

    Choose the typography, spacing, theme and layout you prefer.

  4. Step 4

    Just Read

    Your book automatically adapts to your screen and preferences.