PDF Readers

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Moon+ Reader
Freemium • Proprietary
Ebook Reader
Ebook Library
PDF Reader
Android
Android Tablet
Kindle Fire
70 alternatives to Moon+ Reader
Innovative book reader with powerful controls & full functions.
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Moon+ Reader Features
1. Text to SpeechMoon+ Reader allows you to transform written text into spoken text.
2. Works OfflineMoon+ Reader can be used without the need to connect to the internet.
Works Offline
Google Drive integration
Dropbox integration
Built-in themes
Top 3 alternatives
Xodo
Freemium • Proprietary
PDF Reader
PDF Editor
Online
Android
iPhone
Chrome OS
Windows S
Android Tablet
iPad
Windows
Google Chrome
99 alternatives to Xodo
Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, mark up, sort, share, sync, manage, sign, and more with even the most complex PDF documents.
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Xodo Features
1. PDF annotationXodo support PDF Annotation for highlighting, notes etc
2. Dark ModeXodo supports dark mode for comfortable usage in low light conditions.
3. Sign PDF filesXodo support signing a PDF document digitally on a touch screen etc.
4. Ad-freeXodo doesn't contain any form of external advertising.
5. LightweightXodo consumes less device resources compared to similar apps.
6. Split PDF filesXodo can split PDF files into multiple documents.
7. Combine PDFCombine, merge and arrange PDF files into one document.
8. OCRExtract the text from a screen capture or file and paste it into another document for edits.
9. Real time collaborationMultiple users can work together in Xodo simultaneously.
PDF annotation
Dark Mode
Export to PDF
Google Drive integration
Annotations
Sign PDF files
Split and merge PDF files
Multiple Open Tabs
Ad-free
Create PDF files
Top 3 alternatives
Preview
Free • Proprietary
Image Viewer
PDF Reader
Mac
149 alternatives to Preview
Preview is a simple and elegant application by Apple for viewing and working with images and PDF documents.
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Preview Features
1. Fill PDF FormsPreview supports forms in PDF files.
2. PDF annotationPreview support PDF Annotation for highlighting, notes etc
Edit PDF
Fill PDF Forms
Image resizing
Built-in Image converter
PDF annotation
Top 3 alternatives
Qoppa PDF Studio
Freemium • Proprietary
PDF Reader
PDF Editor
Mac
Windows
Linux
Chrome OS
182 alternatives to Qoppa PDF Studio
Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.
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Qoppa PDF Studio Features
1. Sign PDF filesQoppa PDF Studio support signing a PDF document digitally on a touch screen etc.
2. Dark ModeQoppa PDF Studio supports dark mode for comfortable usage in low light conditions.
3. Text to SpeechQoppa PDF Studio allows you to transform written text into spoken text.
4. Combine PDFCombine, merge and arrange PDF files into one document.
5. Fill PDF FormsQoppa PDF Studio supports forms in PDF files.
6. PDF annotationQoppa PDF Studio support PDF Annotation for highlighting, notes etc
7. OCRExtract the text from a screen capture or file and paste it into another document for edits.
Sign PDF files
Scan to PDF
PDF Redaction
Edit PDF
Convert PDF to Word document
Create PDF files
Measurement-Tools
Batch processing
Themes
Dark Mode
Top 3 alternatives
Document Viewer
Free • Open Source
PDF Reader
Ebook Reader
Android
Android Tablet
F-Droid
134 alternatives to Document Viewer
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
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Document Viewer Features
Customizable
Discontinued
The last version (2.7.4) was released in March 2016.
Top 3 alternatives
Nitro PDF Pro
Paid • Proprietary
PDF Editor
PDF Reader
Windows
Mac
163 alternatives to Nitro PDF Pro
Nitro Pro gives you everything you need to create, convert, edit, sign, and share 100% industry-standard PDF files. It's simple, straightforward, and intuitive to use — so you can work more productively, your way.
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Nitro PDF Pro Features
1. Sign PDF filesNitro PDF Pro support signing a PDF document digitally on a touch screen etc.
2. OCRExtract the text from a screen capture or file and paste it into another document for edits.
3. PDF encryptionNitro PDF Pro can encrypt and decrypt PDF documents.
Edit PDF
Convert PDF to Excel document
Scan to PDF
Sign PDF files
PDF Redaction
Convert PDF to Word document
OCR
Create PDF files
PDF encryption
PDF OCR
Top 3 alternatives
Notability
Freemium • Proprietary
Note-taking Tool
Audio Recorder
PDF Editor
Mac
iPhone
iPad
54 alternatives to Notability
Notability is the first truly integrated note-taking app for iOS. Standing on a framework that automatically links notes with audio recordings, Notability supports all of your note-taking needs -- handwriting, PDF annotation, word processing, and more work together seamlessly...
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Notability Features
1. Handwritten NotesNotability supports writing by hand (or a stylus) and your text will be converted to text.
Handwritten Notes
Apple Pencil support
Sketching
Sync with iCloud
Edit PDF
Support for Keyboard Shortcuts
Integrated Search
Notebook
Handwriting recognition
Multiple languages
Top 3 alternatives
Skim
Free • Open Source
PDF Reader
Note-taking Tool
Mac
75 alternatives to Skim
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.
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Skim Features
1. LightweightSkim consumes less device resources compared to similar apps.
2. Ad-freeSkim doesn't contain any form of external advertising.
3. PDF annotationSkim support PDF Annotation for highlighting, notes etc
Clean design
Lightweight
Note extraction
Ad-free
Export annotations
PDF annotation
Top 3 alternatives
PDF Expert
Paid • Proprietary
PDF Reader
PDF Editor
Mac
iPhone
iPad
90 alternatives to PDF Expert
PDF Expert lets you read and annotate PDF documents, highlight text, make notes and save these changes being compatible with Preview and Adobe Acrobat. Moreover, PDF Expert is the only iPhone application that can fill PDF forms!
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PDF Expert Features
1. PDF annotationPDF Expert support PDF Annotation for highlighting, notes etc
2. Fill PDF FormsPDF Expert supports forms in PDF files.
PDF annotation
Edit PDF
Highlighter
Dropbox integration
Fill PDF Forms
Top 3 alternatives
zathura
Free • Open Source
PDF Reader
Mac
Linux
BSD
MacPorts
Homebrew
64 alternatives to zathura
zathura is a highly customizable and functional document viewer based on the poppler rendering library and the gtk+ toolkit. The idea behind zathura is an application that provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard...
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zathura Features
1. Lightweightzathura consumes less device resources compared to similar apps.
2. Extensible by Plugins/Extensionszathura can be extended with add-ons, plugins and extensions.
Vi keybindings
Keyboard navigation
Vim key mapping
Lightweight
Extensible by Plugins/Extensions
Top 3 alternatives
Thorium Reader
Free • Open Source
Ebook Reader
PDF Reader
Ebook Library
Mac
Windows
Linux
6 alternatives to Thorium Reader
Thorium Reader is a free, open source multi-language EPUB reader for Windows 10, MacOS and Linux. It's privacy aware and highly accessible for visually impaired and dyslexic people.
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Thorium Reader Features
1. Ad-freeThorium Reader doesn't contain any form of external advertising.
2. Full-Text SearchThorium Reader lets you search for specific words or phrases from inside a document or database.
Fullscreen support
Ad-free
Full-Text Search
Bookmarks
Top 3 alternatives
Calibre Web
Free • Open Source
Ebook Reader
Ebook Library
PDF Reader
Self-Hosted
70 alternatives to Calibre Web
Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.
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Calibre Web Features
OPDS Server
Built-in e-Book converter
Top 3 alternatives
KOReader
Free • Open Source
Ebook Reader
PDF Reader
Linux
Android
Kobo
PocketBook Reader
F-Droid
Kindle Fire
Flathub
AppImageHub
34 alternatives to KOReader
KOReader is a document viewer for E Ink devices. Supported fileformats 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.
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KOReader Features
1. Built-in DictionaryKOReader has a built-in dictionary where you can look up broader definitions of words.
Built-in Dictionary
Wallabag integration
Wikipedia integration
Top 3 alternatives
Lector - PDF Reader
Free • Open Source
PDF Reader
Windows
28 alternatives to Lector - PDF Reader
A simple PDF Reader built using Electron and PDF.js.
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Lector - PDF Reader Features
1. LightweightLector - PDF Reader consumes less device resources compared to similar apps.
Minimalistic
Lightweight
Electron based
Top 3 alternatives
Icecream PDF Editor
Freemium • Proprietary
PDF Reader
PDF Editor
Windows
37 alternatives to Icecream PDF Editor
Excellent powerful tool to edit PDF, annotate PDF, redact, protect and more.

PRO Version includes: Remove default watermark Combine PDF files Lifetime license - Windows Commercial use Priority Support.
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Icecream PDF Editor Features
1. PDF annotationIcecream PDF Editor support PDF Annotation for highlighting, notes etc
PDF annotation
Create PDF files
Edit PDF
PDF Redaction
Top 3 alternatives

Moon+ Reader Features

Top 3 alternatives

Xodo Features

Top 3 alternatives

Preview Features

Top 3 alternatives

Qoppa PDF Studio Features

Top 3 alternatives

Document Viewer Features

Top 3 alternatives

Nitro PDF Pro Features

Top 3 alternatives

Notability Features

Top 3 alternatives

Skim Features

Top 3 alternatives

PDF Expert Features

Top 3 alternatives

zathura Features

Top 3 alternatives

Thorium Reader Features

Top 3 alternatives

Calibre Web Features

Top 3 alternatives

KOReader Features

Top 3 alternatives

Lector - PDF Reader Features

Top 3 alternatives

Icecream PDF Editor Features

Top 3 alternatives