Jotdown

Jotdown

Offline PDF reader with OCR and academic annotations.

Walter Rebouças Ebook Reader

Download (13 MB)

Description

Jotdown is an open-source document manager and PDF reader built for researchers, students and academics. It works 100% offline and is focused on privacy — no account required, no data leaves the device.

Features:
* PDF reader with text-layer extraction
* OCR via open-source PdfBox
* Sticky note annotations and vector drawings (stylus + palm rejection)
* Academic citation (fichamento) generator
* Export to Markdown (.md), TXT and PDF
* ABNT citation format support
* Local folder organisation system
* Offline dictionary (Portuguese / English)
* Backup and restore (local ZIP)
* Dark mode support

Versions

Version Date Size Requires Android Download
3.1.17-FOSS current
5c740dcd9b1edff8…
 2026-09-09 13 MB API 26

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Read storageRead files on the device storage.
  • Internet accessSend and receive data over the internet.
  • Prevent sleepingKeep the device from going to sleep.
  • Network stateCheck whether and how the device is connected.
  • Run at startupStart automatically after the device is switched on.
  • Foreground serviceKeep running in the background, visible in the status bar.
  • jotdown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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