Clipbox

Clipbox is a streamlined document viewer for iPhone that opens PDFs, images, and text files with a clean, easy-to-use interface. It supports copying from and exporting to Camera Roll, built-in web search, and bookmarks/history for fast navigation, with localization options for English and Japanese.

Security and file-management tools include password protection, lock screen, private browsing, and the ability to hide the operation panel during playback. It also offers auto-thumbnail creation, ZIP/RAR decompression, file sorting by date/name/size/format, end-of-file restoration, and pinch gestures for quick zoom and control.