Okular vs File Viewer Plus

Okular7.7Visit File Viewer Plus6.9Visit

Higher score Okular #3 in File Viewer Software 7.7/10 Free plan Free plan✓ 0 of 4 features Visit KDE

vs

File Viewer Plus #7 in File Viewer Software 6.9/10 From €22/user/yr · 14-day trial ✓ 4 of 4 features Try File Viewer Plus

• Okular fits best

  Free cross-platform PDF and document viewing

• File Viewer Plus fits best

  Windows users needing viewing and conversion

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Side by side

Feature	Okular 7.7/10 Visit ↗	File Viewer Plus 6.9/10 Visit ↗
At a glance
Editor score	7.7	6.9
Ranking	#3 in File Viewer Software	#7 in File Viewer Software
Best for	Free cross-platform PDF and document viewing	Windows users needing viewing and conversion
Pricing model	Free	Paid
Starting price	Not published	Not published
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Okular 0/4 · File Viewer Plus 4/4
Archive preview	Not published	✓ (best)
Office file preview	Not published	✓ (best)
Code file preview	Not published	✓ (best)
In-file search	Not published	✓ (best)
Specs
Listed formats	Not published	Not published
Primary access	Not published	Desktop
Maximum file size	Not published	Not published
Our review
Pros	Supports PDF and multiple document formats across Windows, macOS, and Linux Includes annotations, form filling, signatures, search, and presentation mode Adds text-to-speech, navigation panels, magnifier mode, and text selection	Supports 400+ formats across documents, media, archives, code, and more Batch-converts folders and inspects metadata, headers, and raw hex content Offers annual, one-time, and volume licensing options
Cons	No OCR support Its scope is centered on documents rather than broader viewer workflows The open-source model may not suit buyers seeking paid-tier packaging	Windows desktop access only No free plan; access requires a paid license after the trial One-time purchase includes version 6.x updates rather than continuous updates
Our verdict	Okular is a free, open-source document viewer from KDE for people who need to read, navigate, annotate, and interact with PDFs and other formats. It opens PDF, PostScript, TIFF, DjVu, image, XPS, EPUB, comic-book, and other documents.… Read the review →	File Viewer Plus is a Windows desktop utility for opening, viewing, editing, and converting files across more than 400 formats. It is aimed at individual users, businesses, and enterprise teams that want one application for office… Read the review →

Strengths and trade-offs

• Okular — where it wins

  • Supports PDF and multiple document formats across Windows, macOS, and Linux
  • Includes annotations, form filling, signatures, search, and presentation mode
  • Adds text-to-speech, navigation panels, magnifier mode, and text selection

  Where it doesn't

  • No OCR support
  • Its scope is centered on documents rather than broader viewer workflows
  • The open-source model may not suit buyers seeking paid-tier packaging

• File Viewer Plus — where it wins

  • Supports 400+ formats across documents, media, archives, code, and more
  • Batch-converts folders and inspects metadata, headers, and raw hex content
  • Offers annual, one-time, and volume licensing options

  Where it doesn't

  • Windows desktop access only
  • No free plan; access requires a paid license after the trial
  • One-time purchase includes version 6.x updates rather than continuous updates

• Okular7.7/10 · Free plan

  A capable open-source viewer for PDFs, forms, annotations, signatures, and more.

  Visit KDEFull verdict →
• File Viewer Plus6.9/10 · From €22/user/yr · 14-day trial

  A broad Windows file utility with viewing, editing, inspection, and batch conversion.

  Try File Viewer PlusFull verdict →