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ConvertIcon! vs SumatraPDF

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

ConvertIcon! icon
ConvertIcon!
SumatraPDF icon
SumatraPDF

ConvertIcon! vs SumatraPDF: The Verdict

⚡ Summary:

ConvertIcon!: ConvertIcon! is a free online icon converter that allows you to easily convert between various icon formats like ICO, ICNS, PNG, and more. It has a simple drag-and-drop interface to upload icons and convert them to your desired format.

SumatraPDF: 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.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ConvertIcon! SumatraPDF
Sugggest Score — —
Category Os & Utilities Office & Productivity
Pricing — Open Source

Product Overview

ConvertIcon!
ConvertIcon!

Description: ConvertIcon! is a free online icon converter that allows you to easily convert between various icon formats like ICO, ICNS, PNG, and more. It has a simple drag-and-drop interface to upload icons and convert them to your desired format.

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

ConvertIcon!
ConvertIcon! Features
  • Drag-and-drop interface for easy file uploads
  • Supports converting between various icon formats like ICO, ICNS, PNG, etc
  • Batch conversion allows converting multiple icons at once
  • Preserves transparency when converting between formats
  • Works completely online with no software installation required
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

ConvertIcon!
ConvertIcon!

Pros

  • Free to use with no limits
  • Simple and easy to use
  • Supports many common icon formats
  • Preserves image quality when converting formats
  • Works on any device with a web browser

Cons

  • Limited to icon conversion only
  • Cannot edit or modify icons
  • No desktop app, web-based only
  • Lacks some advanced icon editing features
  • Slow conversion speed with large batches
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

ConvertIcon!
ConvertIcon!
  • Not listed
SumatraPDF
SumatraPDF
  • Open Source

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Learn More About Each Product

ConvertIcon!
ConvertIcon!
Reviews, pricing & alternatives →
SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →

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