SumatraPDF vs IrfanView

SumatraPDF8.8Visit IrfanView8.4Visit

Higher score SumatraPDF #4 in File Viewer Software 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Sumatra PDF

vs

IrfanView #6 in File Viewer Software 8.4/10 Free plan Free plan✓ 0 of 4 features Visit IrfanView

• SumatraPDF fits best

  Portable Windows document viewing

• IrfanView fits best

  Low-cost Windows batch image processing

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Side by side

Feature	SumatraPDF 8.8/10 Visit ↗	IrfanView 8.4/10 Visit ↗
At a glance
Editor score	8.8	8.4
Ranking	#4 in File Viewer Software	#6 in File Viewer Software
Best for	Portable Windows document viewing	Low-cost Windows batch image processing
Pricing model	Free	Free plan + paid
Starting price	Free plan	$18/device one-time
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows
Support	Docs, Community	Email, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business
Features SumatraPDF 0/4 · IrfanView 0/4
Archive preview	Not checked yet	Not checked yet
Office file preview	Not checked yet	Not checked yet
Code file preview	Not checked yet	Not checked yet
In-file search	Not checked yet	Not checked yet
Specs
Listed formats	Not checked yet	Not checked yet
Primary access	Not checked yet	Not checked yet
Maximum file size	Not checked yet	Not checked yet
Our review
Pros	Free and open source with installer and portable Windows builds Opens PDF, ebook, comic-book, DjVu, XPS, CHM and image files Adds annotations, form filling, search and Windows text-to-speech	Free for private, non-commercial use Batch conversion, resizing, renaming, and lossless JPEG operations Camera RAW support, command-line options, and plugins
Cons	Windows-only desktop support limits cross-platform use No OCR support is provided Some capabilities are documented for the 3.7 pre-release	Windows-only desktop software Commercial use requires a paid license Batch automation is manual
Our verdict	Sumatra PDF is a free, open-source desktop reader for Windows users who need more than basic PDF viewing. It opens PDF, EPUB, MOBI, comic-book, DjVu, XPS, CHM, image and other document formats. Core PDF tools cover text search, navigation… Read the review →	IrfanView is a Windows desktop image viewer for beginners and professionals who need viewing, conversion, optimization, scanning, printing, slideshows, and batch processing in one compact application. Its strongest fit is for users… Read the review →

Strengths and trade-offs

• SumatraPDF — where it wins

  • Free and open source with installer and portable Windows builds
  • Opens PDF, ebook, comic-book, DjVu, XPS, CHM and image files
  • Adds annotations, form filling, search and Windows text-to-speech

  Where it doesn't

  • Windows-only desktop support limits cross-platform use
  • No OCR support is provided
  • Some capabilities are documented for the 3.7 pre-release

• IrfanView — where it wins

  • Free for private, non-commercial use
  • Batch conversion, resizing, renaming, and lossless JPEG operations
  • Camera RAW support, command-line options, and plugins

  Where it doesn't

  • Windows-only desktop software
  • Commercial use requires a paid license
  • Batch automation is manual

• SumatraPDF8.8/10 · Free plan

  A portable Windows reader with broad format support, annotations, forms and text-to-speech.

  Visit Sumatra PDFFull verdict →
• IrfanView8.4/10 · Free plan

  A low-cost Windows viewer for batch conversion, resizing, renaming, and RAW files.

  Visit IrfanViewFull verdict →