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Nitro PDF Reader vs SumatraPDF

Professional comparison and analysis to help you choose the right software solution for your needs.

Nitro PDF Reader icon
Nitro PDF Reader
SumatraPDF icon
SumatraPDF

Nitro PDF Reader vs SumatraPDF: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Nitro PDF Reader SumatraPDF
Sugggest Score
Category Office & Productivity Office & Productivity
Pricing Open Source

Product Overview

Nitro PDF Reader
Nitro PDF Reader

Description: Nitro PDF Reader is a free PDF viewer and editor that allows you to view, create, convert, edit, and sign PDF files. It has basic editing features like adding or removing pages, merging PDFs, adding text, comments or stamps, as well as more advanced features like OCR and batch conversion.

Type: software

SumatraPDF
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.

Type: software

Pricing: Open Source

Key Features Comparison

Nitro PDF Reader
Nitro PDF Reader Features
  • View, create and edit PDF files
  • Convert PDF to Word, Excel, PowerPoint, JPG, etc.
  • Fill and sign PDF forms
  • Add or remove pages
  • Merge multiple PDFs
  • Add text, comments or stamps
  • Optical character recognition (OCR)
  • Batch conversion
  • Digital signatures
  • Review and collaborate on PDFs
  • Password protect PDFs
SumatraPDF
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

Nitro PDF Reader
Nitro PDF Reader
Pros
  • Free
  • Intuitive and easy to use
  • Good basic PDF editing features
  • OCR capability
  • Fast performance
  • Small file size
  • Available on Windows, Mac, iOS and Android
Cons
  • Limited advanced PDF editing features
  • No cloud storage integration
  • Lacks some enterprise features like redaction
  • Upselling to paid version
  • No browser extension
SumatraPDF
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

Nitro PDF Reader
Nitro PDF Reader
  • Not listed
SumatraPDF
SumatraPDF
  • Open Source

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