PdfViewer (GrapheneOS)

Sandboxed, permission-free Android PDF viewer built on pdf.js for maximum security and privacy.

Mobile appfreeglobal

A PDF viewer for Android that lets privacy- and security-minded users read documents without granting any device permissions. It renders PDFs with pdf.js inside a sandboxed WebView that has no network or file access and uses only static APK assets for rendering; maintained by the GrapheneOS project and intended for viewing rather than editing, form filling, or signing.

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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