Volume Shelf

Your volumes — kept on this device

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Your shelf is empty

The library keeps PDFs on your own device, opens and reads them offline, and remembers the last page you reached.

  1. 1Open WhatsApp on your phone and open the Revia chat.
  2. 2In the chat: open the file → ⋮ → Share → “Save to Files”.
  3. 3Back here, tap Add files, then pick your PDFs — you can select several at once.

Library options

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To add a file from your phone: open it in WhatsApp → ⋮ → Share → “Save to Files”, then come back and tap “Add files”.

Install Volume Shelf

Open this link in your phone’s browser first, rather than inside WhatsApp.

Android / Chrome: menu ⋮ → Add to Home screen → Install. iPhone / Safari: Share → Add to Home Screen → Open as Web App → Add.

Your added files stay on this device. Read each volume once while online to keep it available offline. Browser storage can be cleared by the phone, so keep your original PDFs too.

Preparing offline support…

Create a shelf

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Rename file

Delete this file?

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Drop PDF files here