Okular vs STDU Viewer

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

Okular is a Office & Productivity solution with tags like pdf, epub, odt, annotating, highlighting, commenting, form-filling.

It boasts features such as Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats, Allows annotating, highlighting and adding comments to PDFs, Has different view modes like single page, facing, overview grid, Supports tabs for opening multiple documents, Has presentation mode for slideshows, Can fill interactive PDF forms, Allows saving filled forms as PDF or text, Has search functionality to find text in documents, Can encrypt PDF files, Has document information and metadata viewer, Supports table of contents navigation, Has different reflow modes for reading ePubs, Can print documents to system printer and pros including Free and open source, Clean and intuitive interface, Good performance with large PDFs, Lots of annotation and markup tools, Supports many document formats, Available on Linux, Windows, macOS.

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.

Okular

Okular

Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Categories:
pdf epub odt annotating highlighting commenting form-filling

Okular Features

  1. Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats
  2. Allows annotating, highlighting and adding comments to PDFs
  3. Has different view modes like single page, facing, overview grid
  4. Supports tabs for opening multiple documents
  5. Has presentation mode for slideshows
  6. Can fill interactive PDF forms
  7. Allows saving filled forms as PDF or text
  8. Has search functionality to find text in documents
  9. Can encrypt PDF files
  10. Has document information and metadata viewer
  11. Supports table of contents navigation
  12. Has different reflow modes for reading ePubs
  13. Can print documents to system printer

Pricing

  • Open Source

Pros

Free and open source

Clean and intuitive interface

Good performance with large PDFs

Lots of annotation and markup tools

Supports many document formats

Available on Linux, Windows, macOS

Cons

Limited format support compared to some alternatives

Annotation features may be limited for some users

No cloud storage integration

Less features than paid alternatives


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