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OpenViewer

BongJun Park

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Get it free on the App StoreOpens Apple's App Store

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About this app

OpenViewer is a lightweight viewer for all standard document formats. [Supported formats] PDF · HWP · DOCX · XLSX · PPTX · EPUB · TXT · Images [Key features] • Fast launch • Dark mode • Recent files + favorites • 100% on-device processing • Native HWP support for Korean documents [Why OpenViewer?] - No in-app purchases - No account required - Ad-supported (no ads inside viewer) - English, Korean, Japanese UI Contact: wowpia0127@gmail.com

What's new

Version 1.0.20 · Aug 10, 2026

What's new • HWP text preview — read Korean HWP documents directly in the app • XLSX & DOCX viewers work fully offline (no internet required) • Latest iOS SDK and stability improvements Still 100% free · no account · everything stays on your device.

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