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NAPS2 vs SumatraPDF

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

NAPS2 icon
NAPS2
SumatraPDF icon
SumatraPDF

NAPS2 vs SumatraPDF: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature NAPS2 SumatraPDF
Sugggest Score — —
Category Office & Productivity Office & Productivity
Pricing Open Source Open Source

Product Overview

NAPS2
NAPS2

Description: NAPS2 (Not Another PDF Scanner 2) is a free, open source scan to PDF software for Windows. It allows scanning documents to PDF or images easily with automatic image processing features.

Type: software

Pricing: Open Source

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

NAPS2
NAPS2 Features
  • Scan documents to PDF or image files
  • Automatic image processing like deskew, crop, auto-rotate
  • Supports TWAIN and WIA scanners
  • OCR support to make scanned PDFs searchable
  • Multi-page PDF support
  • Automatic file name generation
  • Scan directly to cloud services like Google Drive, Dropbox
  • Portable version available to run off USB drives
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

NAPS2
NAPS2
Pros
  • Free and open source
  • Simple and easy to use interface
  • Good image processing features
  • Supports many scanners
  • Can scan to searchable PDFs
Cons
  • Lacks advanced scanning and editing options
  • No mobile app
  • OCR accuracy could be better
  • Limited cloud service integration
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

NAPS2
NAPS2
  • Open Source
SumatraPDF
SumatraPDF
  • Open Source

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Learn More About Each Product

NAPS2
NAPS2
Reviews, pricing & alternatives →
SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →

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