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Head-to-head · File Viewer Software

File Viewer Plus vs Universal File Opener

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score File Viewer Plus #12 in File Viewer Software 7.7/10 14-day trial Free trial✓ 4 of 4 features Try File Viewer Plus
Universal File Opener #14 in File Viewer Software 7.5/10 Free plan Free plan✓ 4 of 4 features Visit site

File Viewer Plus leads on 0 checks, Universal File Opener on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFile Viewer Plus · 7.7/10
  • Free planonly Universal File Opener
  • Free trialonly File Viewer Plus

File Viewer Plus scores higher on our rubric for file viewer software: 7.7 against 7.5 out of 10; our editors rank them #12 and #14.

Universal File Opener offers free plan; File Viewer Plus doesn't. On primary access, Universal File Opener gives you Mobile where File Viewer Plus offers Desktop.

File Viewer Plus is the better fit for windows users needing viewing and conversion. Universal File Opener is the better fit for windows and Android users needing editing.

  • File Viewer Plus fits best

    Windows users needing viewing and conversion

  • Universal File Opener fits best

    Windows and Android users needing editing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature File Viewer Plus 7.7/10 Visit ↗ Universal File Opener 7.5/10 Visit ↗
At a glance
Editor score 7.7 7.5
Ranking #12 in File Viewer Software #14 in File Viewer Software
Best for Windows users needing viewing and conversion Windows and Android users needing editing
Pricing model Paid Free plan + paid
Starting price €22/user/yr $29.99 one-time
Free plan — ✓ (best)
Free trial 14 days —
Deployment Desktop Desktop, Mobile
Platforms Windows Windows, Android
Support Email, Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features File Viewer Plus 4/4 · Universal File Opener 4/4
Archive preview ✓ ✓
Office file preview ✓ ✓
Code file preview ✓ ✓
In-file search ✓ ✓
Specs
Listed formats Not checked yet 214 formats
Primary access Desktop Mobile
Maximum file size Not checked yet Not checked yet
Our review
Pros
  • 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
  • Free viewing, search, copying, printing and sharing across supported formats
  • Offline tools cover PDFs, Office files, images, archives, media and code
  • On-device OCR, PDF tools and in-file search support document workflows
Cons
  • 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
  • Saving most edited files requires a one-time Pro purchase
  • Android and Windows use separate Pro licenses
  • Windows edition remains in Microsoft Store review
Our verdict

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 →

Universal File Opener is an offline file viewer and editor for Android and Windows users who need to work across many file types without an account or file-upload service. It supports 214 formats, including PDFs, DOCX, XLSX, PPTX, images,…

Read the review →
  1. File Viewer PlusFile Viewer Software 7.714-day trial
  2. Universal File OpenerFile Viewer Software 7.5Free plan

Strengths and trade-offs

  • 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
  • Universal File Opener — where it wins

    • Free viewing, search, copying, printing and sharing across supported formats
    • Offline tools cover PDFs, Office files, images, archives, media and code
    • On-device OCR, PDF tools and in-file search support document workflows

    Where it doesn't

    • Saving most edited files requires a one-time Pro purchase
    • Android and Windows use separate Pro licenses
    • Windows edition remains in Microsoft Store review
  • File Viewer Plus7.7/10 · 14-day trial

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

    Try File Viewer PlusFull verdict →
  • Universal File Opener7.5/10 · Free plan

    A broad offline viewer with free access and one-time Pro upgrades for saving edits.

    Visit siteFull verdict →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update