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Duplicati vs SumatraPDF

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

Duplicati icon
Duplicati
SumatraPDF icon
SumatraPDF

Duplicati vs SumatraPDF: The Verdict

⚡ Summary:

Duplicati: Duplicati is an open source backup software that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. It works with standard protocols like FTP, SSH, WebDAV and various backends like Microsoft OneDrive, Amazon S3, Google Drive and more. Duplicati is free, runs on Windows, macOS and Linux.

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 Duplicati SumatraPDF
Sugggest Score — —
Category Backup & Sync Office & Productivity
Pricing Open Source Open Source

Product Overview

Duplicati
Duplicati

Description: Duplicati is an open source backup software that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. It works with standard protocols like FTP, SSH, WebDAV and various backends like Microsoft OneDrive, Amazon S3, Google Drive and more. Duplicati is free, runs on Windows, macOS and Linux.

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

Duplicati
Duplicati Features
  • Incremental backups to minimize bandwidth requirements
  • Client-side AES-256 encryption
  • Supports multiple cloud storage providers (Amazon S3, OneDrive, Google Drive, etc)
  • Open source and free
  • Deduplication to avoid uploading duplicate data
  • Scheduling and automation capabilities
  • Command line and web UI available
  • Backup verification and repair
  • Bandwidth throttling
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

Duplicati
Duplicati

Pros

  • Free and open source
  • Strong encryption
  • Good choice of backend storage options
  • Easy to set up and use
  • Deduplication saves bandwidth
  • Wide platform support

Cons

  • Limited reporting capabilities
  • No mobile apps
  • Restores can be slow
  • Some backend providers have usage limits
  • No built-in file versioning
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

Duplicati
Duplicati
  • Open Source
SumatraPDF
SumatraPDF
  • Open Source

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Learn More About Each Product

Duplicati
Duplicati
Reviews, pricing & alternatives →
SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →

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