File Reader by UJ Studio

PRODUCT_CORE: UNIVERSAL_OFFLINE_VIEWER

100% Offline • Zero Data Collection

One Viewer for 260+ File Formats

File Reader is a cross-platform, privacy-first universal file reader. View PDFs, Microsoft Office documents, spreadsheets, presentations, eBooks, source code, multimedia, and archives entirely on-device without internet access, ads, or tracking.

Legal, Policy & Compliance Hub

Select a document below to inspect our full compliance protocols and privacy guarantees:

READ POLICY

Privacy Policy

Full disclosure of our zero-data architecture, local memory processing, and commitment to never collecting or transmitting personal data.

UPDATED: SEPTEMBER 2026 • GOOGLE PLAY COMPLIANT

READ TERMS

Terms of Service

Software license terms, user content ownership protection, intellectual property, and warranty disclaimers.

UPDATED: SEPTEMBER 2026 • APPLICATION LICENSE

DATA SAFETY

Data Safety Declaration

Item-by-item breakdown verifying zero collection across all Google Play Data Safety categories (no location, identity, files, or diagnostics).

AUDITED: SEPTEMBER 2026 • ZERO TELEMETRY

VIEW PERMISSIONS

Permissions Transparency

Detailed explanation of media and storage permissions requested on Android 12, 13, and 14+, and why internet permission is omitted.

AUDITED: ANDROID 14+ USER SELECTIVE ACCESS

Architecture & Capabilities

260+ Formats

Native parsers for PDF, DOCX, XLSX, PPTX, EPUB, RAW camera images, video, audio, source code, and multi-part archives.

Background Isolates

Heavy file processing runs in separate background isolates to keep the UI smooth at 60 FPS without lag.

Sandboxed WebViews

Complex office formats render inside isolated local WebViews with all outbound network calls strictly blocked.

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