Jotdown is an open-source document manager and PDF reader built for researchers, students and academics. Reading, annotating and organizing your documents works fully offline; network is only used for optional DOI citation import and dictionary downloads. Focused on privacy — no account required, no data leaves the device beyond what those optional features need.
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
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Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
Download F-Droid
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This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
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view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
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run foreground service
Allows the app to make use of foreground services.
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have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
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read the contents of your shared storage
Allows the app to read the contents of your shared storage.
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run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
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prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
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br.com.jotdown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
13 MiB
PGP Signature
|
Build Log
-
This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
run foreground service
Allows the app to make use of foreground services.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
br.com.jotdown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
13 MiB
PGP Signature
|
Build Log
-
This version requires Android 8.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
run foreground service
Allows the app to make use of foreground services.
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
br.com.jotdown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
13 MiB
PGP Signature
|
Build Log
