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Fixed Bug
Read, merge, split & lock PDFs offline. Your files never leave your phone.
OK PDF Reader is a fast, offline PDF reader and toolkit for Android. Open the documents you already have, then merge, split, password-protect or convert them — without an account, without a subscription, and without sending a single file to a server. Every operation runs on your phone. Nothing is uploaded. READ COMFORTABLY • Smooth continuous scroll or page-by-page reading • Normal, sepia and night page themes for late-night reading • Pinch and slider zoom, jump to any page • Resumes exactly where you left off, per document • Share the document you are reading in one tap FIND YOUR DOCUMENTS • Automatically lists the PDFs already on your device • Instant search by file name • Sort by newest, oldest, name or size • Bookmark the files you keep coming back to • Recent list with your last-read page for each file PDF TOOLS • Merge — combine several PDFs into one, in the order you choose • Split — break a long PDF into smaller files, N pages at a time • Lock — protect a PDF with an AES-256 password • Unlock — remove a password you already know • Images to PDF — turn photos into a PDF with A4, Letter, Legal, A3 or A5 pages and adjustable margins • PDF to Images — save whole pages, or just the pages you pick, straight to your gallery • Import — open a PDF from anywhere on your device BUILT TO RESPECT YOUR FILES • Output never overwrites an existing file — a numbered copy is created instead • Rename files in place, with bookmarks and history following along • Deleted files go to a recoverable trash first, with an Undo button • Storage access is never demanded on first launch — the app explains what it is for and works without it MADE FOR EVERYONE • Light and dark themes, switchable from any screen • Seven languages: English, Myanmar, Thai, Chinese, Vietnamese, Japanese and Korean • Small, focused interface — no clutter, no onboarding maze PRIVACY OK PDF Reader has no account system and no servers. Your documents, reading history and bookmarks stay on your device and are erased when you uninstall the app. The only third party involved is Google AdMob, which serves the ads that keep the app free. Full details are in the Privacy policy, available inside the app under Tools → About. Free to use, supported by ads.