SumatraPDF vs STDU Viewer

Struggling to choose between SumatraPDF and STDU Viewer? Both products offer unique advantages, making it a tough decision.

SumatraPDF is a Office & Productivity solution with tags like pdf, ebook, reader, lightweight, opensource.

It boasts features such as 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 and pros including Lightweight and fast, Supports many document formats, Free and open source, Customizable, Good support for comics and eBooks.

On the other hand, STDU Viewer is a Office & Productivity product tagged with pdf, images, office-documents, email, epub, tabbed-browsing, annotations.

Its standout features include Supports viewing over 20 file formats including PDF, images, Office documents, emails, archives, EPUB books, Tabbed browsing for opening multiple files, Thumbnail previews, Bookmarks and annotations, Portable software - no installation required, Lightweight and fast, and it shines with pros like Free and open source, Clean and intuitive interface, Good format support, Useful viewing features like tabs, thumbnails, bookmarks, Portable so can take it anywhere, Light on system resources.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

SumatraPDF

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.

Categories:
pdf ebook reader lightweight opensource

SumatraPDF Features

  1. Lightweight and fast PDF reader
  2. Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
  3. Customizable with themes, keyboard shortcuts
  4. Tabbed document interface
  5. Supports annotations and highlighting
  6. Continuous scrolling
  7. Supports reflowable text
  8. Supports digital signatures
  9. Supports comics book formats
  10. Supports eBooks
  11. Supports syncing open documents across devices

Pricing

  • Free
  • Open Source

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


STDU Viewer

STDU Viewer

STDU Viewer is a free portable software used to open and view various file types like PDFs, images, Microsoft Office documents, emails, archives, EPUB books and more. It supports viewing over 20 file formats and includes features like tabbed browsing, thumbnail previews, bookmarks and annotations.

Categories:
pdf images office-documents email epub tabbed-browsing annotations

STDU Viewer Features

  1. Supports viewing over 20 file formats including PDF, images, Office documents, emails, archives, EPUB books
  2. Tabbed browsing for opening multiple files
  3. Thumbnail previews
  4. Bookmarks and annotations
  5. Portable software - no installation required
  6. Lightweight and fast

Pricing

  • Free
  • Open Source

Pros

Free and open source

Clean and intuitive interface

Good format support

Useful viewing features like tabs, thumbnails, bookmarks

Portable so can take it anywhere

Light on system resources

Cons

Limited editing capabilities

Less features than full featured PDF editors

UI could be more modern

No cloud storage integration