PDF Readers

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Orion Viewer
Free • Open Source
PDF Reader
Android
Android Tablet
39 alternatives to Orion Viewer
Orion is a pdf, djvu, xps and cbz file viewer for Android devices, based on mupdf and DjVuLibre libraries.
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Orion Viewer Features
Built-in File Manager
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Soda PDF 3D Reader
Freemium • Proprietary
PDF Reader
Comic and Manga Reader
Windows
101 alternatives to Soda PDF 3D Reader
Read any PDF document like a book using our patent pending 3D technology! Create PDF documents from Word, Excel & 300+ formats. Soda PDF 3D Reader is 100% compatible with all PDF files created with any software and its powerful tools make it easy to open, view, create and...
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Soda PDF 3D Reader Features
Create PDF files
Convert Word documents to PDF
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modern computer flatboat
Free • Open Source
PDF Reader
Mac
Windows
Linux
Android
77 alternatives to modern computer flatboat
modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.
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modern computer flatboat Features
1. PDF annotationmodern computer flatboat support PDF Annotation for highlighting, notes etc
PDF annotation
Fullscreen support
Support for Keyboard Shortcuts
Discontinued
The program is no longer updated. Last version, 0.8.32, released in January 2012, can be still downloaded from the official website.
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PDF Professional
Freemium • Proprietary
PDF Reader
PDF Editor
Mac
iPhone
iPad
43 alternatives to PDF Professional
PDF Professional Suite is a full-featured PDF document expert that transforms your Mac into a powerful PDF Office. PDF Professional Suite is a one-stop shop for your Adobe Acrobat PDF document needs. This app provides a complete array of functions to help annotate, view, fill...
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PDF Professional Features
1. Fill PDF FormsPDF Professional supports forms in PDF files.
2. PDF annotationPDF Professional support PDF Annotation for highlighting, notes etc
3. Dark ModePDF Professional supports dark mode for comfortable usage in low light conditions.
Fill PDF Forms
Create PDF files
Convert images to PDF
Edit PDF
PDF annotation
Dark Mode
Convert PDF to Word document
Top 3 alternatives
UPDF
Freemium • Proprietary
Document Scanner
Mac
Windows
Android
iPhone
iPad
95 alternatives to UPDF
UPDF is an all-in-one PDF editor that allows you to edit, annotate, convert, protect, OCR, split, crop, and organize PDF pages effortlessly. It's available on Windows, Mac, iOS, and Android.
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UPDF Features
1. Combine PDFCombine, merge and arrange PDF files into one document.
2. Sign PDF filesUPDF support signing a PDF document digitally on a touch screen etc.
3. PDF encryptionUPDF can encrypt and decrypt PDF documents.
4. OCRExtract the text from a screen capture or file and paste it into another document for edits.
5. Mobile ScannerUPDF can use your mobile camera to quickly scan documents and photos.
6. Works OfflineUPDF can be used without the need to connect to the internet.
7. Handwritten NotesUPDF supports writing by hand (or a stylus) and your text will be converted to text.
8. PDF annotationUPDF support PDF Annotation for highlighting, notes etc
9. Split PDF filesUPDF can split PDF files into multiple documents.
Combine PDF
Sign PDF files
PDF encryption
OCR
Mobile Scanner
Works Offline
Handwritten Notes
PDF annotation
Split PDF files
Dark Mode
Top 3 alternatives
RAD PDF
Freemium • Proprietary
PDF Reader
PDF Editor
Windows
Linux
Online
Self-Hosted
10 alternatives to RAD PDF
RAD PDF is a website component and online interface for editing, filling, signing, and viewing PDF documents. This ASP.NET technology offers your users a free PDF editor, ready for integration with your web application.
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RAD PDF Features
1. PDF annotationRAD PDF support PDF Annotation for highlighting, notes etc
2. Fill PDF FormsRAD PDF supports forms in PDF files.
Interactive PDF forms
PDF annotation
Fill PDF Forms
Edit PDF
Integrated PDF Viewer
Top 3 alternatives
Bibliovore
Free • Proprietary
PDF Reader
Windows
55 alternatives to Bibliovore
Manage, organise and read your eBooks with Bibliovore. Share your books across various devices with OneDrive (formerly SkyDrive).

Top 3 alternatives
Docs PDF/PowerPoint Viewer
Free • Proprietary
PDF Reader
Mac
Windows
Linux
Online
Chrome OS
Google Chrome
6 alternatives to Docs PDF/PowerPoint Viewer
Automatically previews pdfs, powerpoint presentations, and other documents in Google Docs Viewer.
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Docs PDF/PowerPoint Viewer Features
Google docs integration
Discontinued
The extension is no longer updated. Last version, 3.10, released in February 2015, can be still downloaded from the Chrome Web Store
Top 3 alternatives
zReader
Free • Open Source
PDF Reader
Android
20 alternatives to zReader
A lightweight, high quality PDF viewer for Android based on the MuPDF library.

Top 3 alternatives
Haihaisoft PDF Reader
Free • Proprietary
PDF Reader
Mac
Windows
Android
iPhone
76 alternatives to Haihaisoft PDF Reader
Haihaisoft Reader is a free PDF document Reader and Printer, extremely fast launch speed. It is also for reading PDF document protected by DRM-X platform.
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Haihaisoft PDF Reader Features
1. PDF annotationHaihaisoft PDF Reader support PDF Annotation for highlighting, notes etc
PDF annotation
Top 3 alternatives
Perfect PDF Reader
Free Personal • Proprietary
PDF Reader
Windows
51 alternatives to Perfect PDF Reader
Perfect PDF Reader functionality:
- open, read, display any PDF file
- print PDF documents
- export PDF as plain text
- export PDF by the page as images (not available in Adobe Reader!)
- great number of navigation and display modes, zoom
- rotate pages
- send PDF file via email.
Top 3 alternatives
eXPert PDF Reader
Free • Proprietary
PDF Reader
Windows
34 alternatives to eXPert PDF Reader
eXPert PDF Reader is a free PDF viewer software that lets you view and print PDF documents on Windows operating systems. eXPert PDF reader will also allow modification of existing documents. You may modify document outlines, insert rubber stamps and modify any annotation.

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Top 3 alternatives
Foobnix PDF Reader
Freemium • Proprietary
PDF Reader
Android
Android Tablet
62 alternatives to Foobnix PDF Reader
Book and Document Reader with PDF and DjVu support for comfortable reading. If you are looking for a good PDF reader, stop here, you have found it. It does what you expect it to do. You can easily lay down and read PDF books and documents with this app. The amazing enhancement d.
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Foobnix PDF Reader Features
1. Dark ModeFoobnix PDF Reader supports dark mode for comfortable usage in low light conditions.
Dark Mode
Integrated Search
Top 3 alternatives
GoodWriter
Paid • Proprietary
PDF Reader
iPhone
iPad
20 alternatives to GoodWriter
Good Writer is a must-have app for anyone who reads or annotates PDF documents or want to create or edit notes and formal documents in open standard format which can be opened and edited in any standard word processor like Pages, Microsoft Word or Open Office.
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GoodWriter Features
1. PDF annotationGoodWriter support PDF Annotation for highlighting, notes etc
2. Handwritten NotesGoodWriter supports writing by hand (or a stylus) and your text will be converted to text.
PDF annotation
Handwritten Notes
Top 3 alternatives
WebMerge
Paid • Proprietary
Word Processor
Form Builder
Online
13 alternatives to WebMerge
Start from scratch or upload your own fillable PDF or Word document. Our app allows you to easily customize your document that you'll be merging with data.
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WebMerge Features
Auto document generation
Add a screenshot
Top 3 alternatives

Orion Viewer Features

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Soda PDF 3D Reader Features

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modern computer flatboat Features

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PDF Professional Features

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UPDF Features

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RAD PDF Features

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Top 3 alternatives

Docs PDF/PowerPoint Viewer Features

Top 3 alternatives

Top 3 alternatives

Haihaisoft PDF Reader Features

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Top 3 alternatives

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Foobnix PDF Reader Features

Top 3 alternatives

GoodWriter Features

Top 3 alternatives

WebMerge Features

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