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Paperwren icon

Paperwren

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Paperwren is a free PDF reader and toolkit for Android and Windows, with a Mac build for Apple silicon. It also views Word, Excel, PowerPoint, OpenDocument, RTF, EPUB, Markdown, CSV, CBZ comics, text, code and images. It views these files but does not edit them.

Home screen on Windows with PDF tools and recent files

Cost / License

  • Free
  • Open Source (MIT)

Application type

Since

  • New

Updated

  • Updated Oct 2026

Platforms

  • Windows
  • Android
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AlternativeTo Category

Office & Productivity

GitHub repository

  •  25 Stars
  •  2 Forks
  •  13 Open Issues
  •   Updated  
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Paperwren was added to AlternativeTo by Saqlain-Razee on and this page was last updated .

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What is Paperwren?

Paperwren is a free PDF reader and toolkit for Android and Windows, with a Mac build for Apple silicon. It also views Word, Excel, PowerPoint, OpenDocument, RTF, EPUB, Markdown, CSV, CBZ comics, text, code and images. It views these files but does not edit them.

It does the PDF jobs people usually do on websites, right on your device: fill and sign forms (type, draw or upload a signature, add initials, a date or a stamp), merge PDFs, split or extract pages, reorder and rotate pages, turn photos of paper into a clean scanned PDF, add page numbers or a watermark, and add or remove a password. Each tool saves a new copy, so your original file never changes.

There is no network access, no account, no ads and no tracking. The Android app asks for zero permissions. Available in English, Chinese, Hindi, Spanish, French, Arabic and Urdu. Free and open source under the MIT license.