PR—01Parallel Reader

A private bilingual reading desk

Your two editions.
One reading rhythm.

Open two DRM-free EPUBs, pair the passages that belong together, and keep useful sentence pairs without uploading a single page.

Works offline · stays on this device
An illustrated open book with red pencil marks linking passages across its facing pages
Plate 01. Corresponding passages, joined by hand.

Reading room

Parallel desk

Edition A

No book open

Edition B

No book open

Current selectionSelect one paragraph in each edition

The method

Align only what matters.

  1. 01Open

    Choose your legitimately obtained, DRM-free EPUB editions.

  2. 02Join

    Select matching paragraphs and add reversible anchors.

  3. 03Keep

    Save useful pairs and export a clean TSV for your study system.

Local library

Open your editions

Files are unpacked in your browser and saved locally. Nothing is uploaded. Only DRM-free EPUBs up to 80 MB are accepted.

Optional audiobookPlay a local audio file beside your reading. The file is not uploaded or stored.
Your data

Private clippings

Sentence notebook

Alignment map

Manual anchors

Anchors tell linked scrolling which passages correspond. Remove any anchor without changing your books.

One-time unlock

Reader’s desk

$18 once

The complete parallel reader and every export stay free. Reader’s desk adds private notes to saved pairs and supports continued local-first development.

Buy Reader’s desk