PDF Reader - PDF Viewer

Review by eFreeware

Most of us end up dealing with PDFs on a phone at the worst possible moment. A contract arrives by email while you are away from a computer, a lecturer posts a reading list as a Word file, or you need a signed form back to someone before the end of the day. The default tools on Android will show you a document, but they rarely let you do much with it.

PDF Reader - PDF Viewer is built for exactly that gap. It is a free Android app that handles reading, editing, converting, signing and organizing documents in one place, and it has picked up a large audience along the way, with more than 100 million installs and a 4.3 average from over 1.2 million ratings since its release in January 2022.

The pitch is broad: a viewer, an editor, a converter, a file manager and an AI assistant sharing one app. Whether that breadth is useful or just crowded depends on how much document work you actually do on a phone, so it is worth looking at each job separately.

Reading and keeping track of long documents

The core of the app is the viewer, and the feature set here is aimed at people who read rather than skim. You get night mode, a reflow mode that adjusts text to the screen, bookmarks, page-by-page or continuous scrolling, horizontal and vertical orientations, full-screen reading, pinch zoom and a jump-to-page box. For a long report or a textbook chapter, that combination matters more than it sounds: reflow and night mode make extended reading on a phone far less tiring than pinching around a fixed page.

File handling is the other half of the reading experience. The app scans your device and lists what it finds, covering PDF, Word, Excel, PPT and TXT, with search and management tools on top and a recent-files list for picking up where you left off. If your documents are scattered across downloads, email attachments and cloud folders, having them surfaced in one list is a genuine convenience.

The developer also mentions an AI assistant that can summarize documents, pull out key points, build mind maps, translate content and read files aloud. I would treat those as the extras rather than the reason to install: useful when a document is long or in a language you do not read comfortably, but the reading and file-management basics are what most people will come back to daily.

Editing, signing and filling in forms

For documents that need changes rather than just reading, the app covers the usual ground. You can edit text and images inside a PDF, fill in forms, add a signature, insert pages or images, and create new PDFs with different page styles. Annotation tools include highlighting, underlining, strikethrough, freehand drawing and general markup, and there is a text search and copy function for pulling quotes out of a file.

A recent update added the ability to edit text directly in Word documents, which extends the same workflow to files that arrive as .docx rather than PDF. That is a sensible addition for anyone who receives drafts, notes or templates in Word format and does not want to convert them first.

The signing and form-filling tools are where this kind of app becomes essential for many users. Being able to open a form, type into the fields and add a signature without printing anything is the difference between finishing a task on the couch and leaving it for later. Compression is also included, which helps when a scanned document is too large to send as an attachment.

Converting between formats and scanning paper

Conversion is treated as a first-class feature rather than an afterthought. The app converts images and scans to PDF, PDF pages to images, and Word documents to PDF and back again. Results can be edited and shared straight from the app, which keeps the whole task in one place instead of bouncing between tools.

Scanning is the practical companion to that. You can turn documents, notes and receipts into PDFs using the phone, which is the quickest route for paper that needs to become a file you can store, search or send. Combined with merge and split tools, password protection, renaming, printing and sharing, the app covers most of the housekeeping that builds up around a document collection.

The developer lists several additions as planned rather than present: PowerPoint and Excel conversion in both directions, an eye protection mode, collaborative editing and automatic table-of-contents generation. None of those should factor into a decision today, but they suggest the app is being extended rather than left as it is.

What to expect when you first open it

Setup is minimal. The app is a free download, and the developer puts its size at 12MB, which is small for a tool with this many functions and means it will not crowd out much storage on a phone that is already full.

There is one requirement worth knowing before you install. From Android 11, broad file access is requested through MANAGE_EXTERNAL_STORAGE. The developer states that this permission is used only for that purpose. It is a broad permission, and it is the kind of thing some users prefer to weigh before granting, even when the explanation is reasonable.

The app is free to download, carries advertising and offers in-app purchases. I would go in expecting the free version to be the starting point and decide from there whether the experience suits you.

Where the app fits into a working week

The clearest fit is anyone whose documents arrive digitally and need handling on a phone: contracts to review and sign, forms to complete, coursework to annotate, receipts to scan, or reports to read in the evening when a laptop is not at hand. Students, freelancers, office workers and anyone running a small business will find most of the tools they need in one app rather than several.

It also suits people who value having a single place for their files. The automatic detection of documents on the device, the recent-files list and the merge, split and rename tools turn a scattered collection into something manageable, which is more than most viewers attempt.

The AI features extend that reach to readers who want a summary before committing to a long document, or who would rather listen to a file than read it. They are a bonus rather than the foundation, and the app stands up without them.

The trade-off is breadth itself. An app that reads, edits, converts, scans, signs and manages documents carries a lot at once, and the advertising and purchases are part of the deal. For document tasks that are varied but not especially complex, that trade is usually a fair one.

A practical pick for phone-based document work

PDF Reader - PDF Viewer does the unglamorous work well: open almost any document format, read it comfortably, make the changes you need, sign it, convert it, and keep the files organized. The reading modes, annotation tools, conversion options and file management cover a wide range of everyday tasks, and the Word editing added in the latest update closes a gap that used to force a conversion step.

The caveats are straightforward. It is free with advertising and in-app purchases, it asks for broad file access on Android 11 and above, and the AI assistant is best treated as a convenience rather than the main event. None of that is unusual for this category, but all of it is worth knowing before you install.

If you regularly handle PDFs and office documents on an Android phone and want one app to read, edit, sign and convert them, this is an easy one to try. If your document work is occasional, the built-in viewer on your phone may still be enough.

What's new in version 2.1.5

🚀 New Feature: Edit Word Documents with Ease! 📝 Edit Word: Edit text directly in Word documents to quickly update your content ✅ Performance Improvements ✨ Improved performance and interactions for a smoother experience ✨ Fixed minor bugs and enhanced overall stability