PDF Reader Online vs SumatraPDF

Struggling to choose between PDF Reader Online and SumatraPDF? Both products offer unique advantages, making it a tough decision.

PDF Reader Online is a Office & Productivity solution with tags like pdf, reader, viewer, online, webbased, free, view, print, annotate, no-download-required.

It boasts features such as View PDFs in browser, Print PDFs, Download PDFs, Annotate/comment on PDFs, Fill out PDF forms, Search text in PDFs and pros including Free to use, No software installation required, Works on any device/OS with a browser, Syncs annotations across devices, Clean and simple interface.

On the other hand, SumatraPDF is a Office & Productivity product tagged with pdf, ebook, reader, lightweight, opensource.

Its standout features include Lightweight and fast PDF reader, Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR, Customizable with themes, keyboard shortcuts, Tabbed document interface, Supports annotations and highlighting, Continuous scrolling, Supports reflowable text, Supports digital signatures, Supports comics book formats, Supports eBooks, Supports syncing open documents across devices, and it shines with pros like Lightweight and fast, Supports many document formats, Free and open source, Customizable, Good support for comics and eBooks.

Feature	PDF Reader Online	SumatraPDF
Overall Score	N/A	N/A
Primary Category	Office & Productivity	Office & Productivity

Product Overview

PDF Reader Online

Description: PDF Reader Online is a free web-based PDF reader that allows you to view, print, and annotate PDFs directly in your web browser without needing to download any software. It offers basic PDF viewing and annotation features.

SumatraPDF

Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

Key Features Comparison

PDF Reader Online Features

• View PDFs in browser
• Print PDFs
• Download PDFs
• Annotate/comment on PDFs
• Fill out PDF forms
• Search text in PDFs

SumatraPDF Features

• Lightweight and fast PDF reader
• Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
• Customizable with themes, keyboard shortcuts
• Tabbed document interface
• Supports annotations and highlighting
• Continuous scrolling
• Supports reflowable text
• Supports digital signatures
• Supports comics book formats
• Supports eBooks
• Supports syncing open documents across devices

Pros & Cons Analysis

PDF Reader Online

Pros

• Free to use
• No software installation required
• Works on any device/OS with a browser
• Syncs annotations across devices
• Clean and simple interface

Cons

• Limited annotation tools
• Lacks advanced PDF editing features
• Requires internet connection
• May have privacy/data concerns as files go through 3rd party servers

SumatraPDF

Pros

• Lightweight and fast
• Supports many document formats
• Free and open source
• Customizable
• Good support for comics and eBooks

Cons

• Limited annotation features compared to advanced PDF editors
• Lacks OCR capabilities
• No cloud storage integration
• No mobile apps

Pricing Comparison

PDF Reader Online

• Free

SumatraPDF

• Free
• Open Source