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Okular alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Okular: cannot edit existing text or convert files, and macOS only through untested nightly builds. We ranked 5 alternatives by how directly each one replaces Okular, then by reviews, real visits and how recently each app's facts were checked against its own website. Sumatra PDF currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Sumatra PDF logoSumatra PDFOpen sourceYesWindows4 of 466.5
2PDFsam logoPDFsamOpen sourceYesWindows, macOS, Linux4 of 457.2
  1. Sumatra PDF logo

    1. Sumatra PDFTop pick

    Best for: Windows users who want the fastest, lightest possible reader with no extras

    Open sourceWindows

    66.5

    score / 100

    Why switch from Okular

    Lighter and faster on Windows, if you mostly read rather than annotate.

    Pros

    • Opens files instantly and uses little memory
    • Reads ebooks and comics as well as PDF
    • Free, open source, no ads, portable version

    Cons

    • Windows only
    • Basic annotation and limited form support
    • No editing tools
    Visit Sumatra PDF Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Sumatra PDF a good Okular alternative?

    Verified facts

    4 of 4 verified
    Price
    Free and open source
    Checked Oct 25, 2026sumatrapdfreader.org(opens source in a new tab)
    Platforms
    Windows only
    Checked Oct 25, 2026sumatrapdfreader.org(opens source in a new tab)
    Formats
    PDF, EPUB, MOBI, comics and more
    Checked Oct 25, 2026sumatrapdfreader.org(opens source in a new tab)
    Windows versions
    Windows 7 to 11, incl. ARM64
    Checked Oct 25, 2026sumatrapdfreader.org(opens source in a new tab)
  2. PDFsam logo

    2. PDFsam

    Best for: Anyone who regularly splits and merges PDFs offline and wants it free

    Open sourceWindows, macOS, Linux

    57.2

    score / 100

    Why switch from Okular

    Free open-source app for the splitting and merging Okular does not do.

    Pros

    • Free and open source with no watermarks or limits
    • Works offline on Windows, macOS and Linux
    • Flexible split and merge options

    Cons

    • Basic only reorganises pages, no editing
    • Installer promotes the paid editions
    • Plain, utilitarian interface
    Visit PDFsam Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is PDFsam a good Okular alternative?

    Verified facts

    4 of 4 verified
    Open source
    Yes, PDFsam Basic
    Checked Oct 25, 2026pdfsam.org(opens source in a new tab)
    Platforms
    Windows, macOS, Linux
    Checked Oct 25, 2026pdfsam.org(opens source in a new tab)
    Offline
    No internet needed
    Checked Oct 25, 2026pdfsam.org(opens source in a new tab)
    Paid edition trial
    PDFsam Visual, 14 days
    Checked Oct 25, 2026pdfsam.org(opens source in a new tab)

The best Okular alternative for…

The highest-ranked app in this list for each need.

Sumatra PDF logo

Best Okular alternative for most people

Sumatra PDF

Lighter and faster on Windows, if you mostly read rather than annotate.

Adobe Acrobat Reader logo

Best Okular alternative for a free option

Adobe Acrobat Reader

Better for awkward forms that only render properly in Adobe's viewer.

Xodo logo

Best Okular alternative for a free plan you can upgrade

Xodo

Cross-platform viewer and editor, including a Linux desktop app.

PDFsam logo

Best Okular alternative for open source

PDFsam

Free open-source app for the splitting and merging Okular does not do.

Master PDF Editor logo

Best Okular alternative for Mac

Master PDF Editor

A paid editor with a native Linux build that can change existing text.

Sumatra PDF logo

Best Okular alternative for Windows

Sumatra PDF

Lighter and faster on Windows, if you mostly read rather than annotate.

Master PDF Editor logo

Best Okular alternative for Linux

Master PDF Editor

A paid editor with a native Linux build that can change existing text.

Adobe Acrobat Reader logo

Best Okular alternative for iPhone and Android

Adobe Acrobat Reader

Better for awkward forms that only render properly in Adobe's viewer.

Adobe Acrobat Reader logo

Best Okular alternative for working in the browser

Adobe Acrobat Reader

Better for awkward forms that only render properly in Adobe's viewer.

Okular alternatives: common questions

What is the best alternative to Okular?

Sumatra PDF ranks first right now. Lighter and faster on Windows, if you mostly read rather than annotate. Adobe Acrobat Reader and Master PDF Editor follow it in our ranking.

Is there a free alternative to Okular?

Yes. Sumatra PDF (open source), Adobe Acrobat Reader (free), PDFsam (open source) and Xodo (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Okular?

Yes: Sumatra PDF and PDFsam.

Which Okular alternatives work on Linux?

Master PDF Editor, PDFsam and Xodo run on Linux.

Why do people switch from Okular?

The complaints we hear most: cannot edit existing text or convert files; macOS only through untested nightly builds; KDE-style interface feels out of place on Windows.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Okular, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.