Top 10 PDF Book Readers for Android

Popular Android app that lets read books offline or directly from online book sites and OPDS. It features a comfortable viewing mode with smooth scrolling, full set of visual settings: line spacing, font size, bold, italic, shadow, alpha channel, smooth edge transitions. Over 10 built-in themes, including a day/night mode switch. Various page navigation options: touchscreen, volume keys, even the camera, search, or back buttons. The free version is ad-supported, while the paid version offers TTS engine, PDF support, more beautiful backgrounds, fonts and reading themes, password protection on startup, annotation sharing, reading statistics.

Mobile app (Android, iOS) with an integrated bookstore (Feedbooks), which also allows you to borrow books from your local library and import your own EPUB, CBZ, or PDF files. Contains audio player. Thus, it lets you gather all your ebooks, comics and audiobooks in one place, regardless of their origin. The store contains 1.2M titles -from bestsellers to literary classics from major global and independent publishers. Books are available in English, French, German, Spanish and Italian. Aldiko can access compatible library catalogs (thanks to OPDS support), so you can browse and interact with your library's catalog.

Free Adobe's reader for PDF and EPUB eBooks on PC, Mac and mobile devices. It lets you purchase and download digital content, borrow books from local libraries and read them both online and offline. It also lets you add bookmarks, highlight and mark important and favorite passages in your eBook. ADE is ideal for reading scientific and professional illustrated books. It supports right-to-left reading, dynamic image resizing without loss of clarity, improved display of mathematical formulas, smart searching, and text navigation. It syncs library across devices and includes a built-in player for playing audiobooks. ADE can be used with various screen readers, including JAWS, Window-eyes, and NVDA on Windows, and Voiceover on Mac OS.

EBookDroid is a highly customizable document viewer for Android. EBookDroid supports the following ebook and document formats: DjVU, PDF, XPS (OpenXPS), FictionBook (fb2 and fb2.zip), Comics Book formats (cbr and cbz), plus - starting with version 2.0 - EPUB and RTF. EBookDroid 2.0 provides the following extra tools: text selection, highlighting, text notes and page notebooks, free-hand annotations, external dictionary support.

ezPDF Reader is the only PDF viewer with the embedded multimedia file playing capability. It also supports the Annotations and PDF Form Filling. Clearly presented without the fluff, documents appear as they would on your PC, but customized to fit your mobile device's screen. Scanned and text based PDFs are all supported, including JPEG2000 and JBIG2 compression. Select Text Reflow, Fit to Text Column, Copy and paste text in PDF view and bookmark as you go.

KOReader is a document viewer for E Ink devices. Supported file formats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.

Multi-functional Android app for reading books. It features automatic folder scanning and adding books to the library, bookmarks, annotations, TOC, online catalog and dictionary support, syncing between Android devices via Google Drive (reading progress, bookmarks, etc.), day and night modes, custom CSS support, "Musician mode" with adjustable scrolling speed, TTS reading, built-in media player and online format conversion. The volume control functionality, background and fonts can be customized. All collections can be viewed in a list or grid view. Books are easily identified by thumbnail covers with adjustable size and style, as well as detailed descriptions. The free version contains ads.

Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia.

ReadEra is an Android application for reading books and viewing documents, free and without ads. Open and read book files in EPUB, FB2, PDF, DJVU, MOBI, DOC, RTF, TXT and CHM formats. Automatically detects and displays the list of all supported documents on your device, Identifies duplicate files. Support for a table of contents, bookmarks, visual styles. Automatically saves the current reading position, even if the files are moved or temporarily deleted.

eReader Prestigio: Book Reader is a multi lingual, multi format text and audio books reading app. Intuitive interface in over 25 languages and an in app store library with over 50,000 text (for children and adults) books and Text-To-Speech (read along) functionality.

RepliGo PDF Reader enables PDF viewing, annotating, printing and form filling. Review documents on the go by adding highlights, cross outs, underlines, sticky notes, arrows, lines, ovals, rectangles, freehand drawings and text boxes. Comments are stored as standard annotations in the original PDF file, just like Adobe Acrobat. RepliGo PDF Reader also makes a great eBook reader with features like reflowed text, color themes, text-to-speech and brightness settings.

VuDroid is a djvu and pdf document viewer based on code base of DjvuDroid and PdfDroid viewers. New VuDroid viewer will offer redesigned DjvuDroid features: zoom by slider drag, progressive tree rendering, fast orientation change, page num visualization while scroll and more

PDF, Comic Reader that supports zip, rar, cbz, cbr, pdf. Includes Folder, File Explorer, Bookmark preview, Horizontal view mode (2 pages)