PaperOS
Open web app
PaperOS app icon

PaperOS
for Android.

All 55 PDF tools in one app that works offline. Merge, compress, sign, scan, OCR in Hindi & English. No ads, no login, and your files never leave your phone.

Download APKv1.0.0 · 2.6 MB · Android 7.0+
✓ Works offline✓ No ads, no trackers✓ Free, unlimited
PaperOS home screenPaperOS tool screen
Works offlineEvery tool is built into the app. OCR downloads its language data once.
Open with PaperOSShare a PDF or photo from WhatsApp, Files or Gallery straight into a tool.
Saves to DownloadsResults go to Downloads/PaperOS, or share them anywhere in one tap.
Scan with cameraPhotograph pages and turn them into a clean PDF.
Private by designNo account, no uploads, no analytics. Processing happens on your phone.
Dark modeFollows your phone's theme, with smooth light/dark switching.

How to install

  1. Tap Download APK above.Chrome may warn that APK files can be harmful. Tap “Download anyway”.
  2. Open the downloaded file.If Android asks, allow “Install unknown apps” for your browser or file manager.
  3. Tap Install, then open PaperOS.Updates install over the top. Your settings are kept.
Use it in the browserSame 55 tools at paperos.pages.dev→ Open in Telegramt.me/Paper_OS_Bot/pdf→

SHA-256 (PaperOS-v1.0.0.apk): 4087a0b65299a3a15319c282fd80ca3bc39b3d6e9ce0e457233b14077b6010a4
Signing certificate SHA-256: 88:E0:81:4A:91:F7:5E:7B:F0:97:1F:25:EC:83:4A:28:62:82:AF:4C:3D:BF:40:A4:8C:79:DC:9D:64:E3:BC:68