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Stirling PDF alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Stirling PDF: self-hosting needs Docker or server know-how, and SSO and admin features sit in paid plans. We ranked 5 alternatives by how directly each one replaces Stirling PDF, then by reviews, real visits and how recently each app's facts were checked against its own website. PDF24 Tools currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1PDFsam logoPDFsamOpen sourceYesWindows, macOS, Linux4 of 462.6
  1. PDFsam logo

    1. PDFsamTop pick

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

    Open sourceWindows, macOS, Linux

    62.6

    score / 100

    Why switch from Stirling PDF

    Open-source desktop app for splitting and merging with no server needed.

    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 ×0.387
    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 Stirling PDF 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 Stirling PDF alternative for…

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

PDF24 Tools logo

Best Stirling PDF alternative for most people

PDF24 Tools

Free tools with a desktop app for Windows if you do not want to run a server.

PDFsam logo

Best Stirling PDF alternative for a free option

PDFsam

Open-source desktop app for splitting and merging with no server needed.

Smallpdf logo

Best Stirling PDF alternative for a free plan you can upgrade

Smallpdf

Hosted, polished toolkit if self-hosting is more effort than it is worth.

PDFsam logo

Best Stirling PDF alternative for open source

PDFsam

Open-source desktop app for splitting and merging with no server needed.

iLovePDF logo

Best Stirling PDF alternative for Mac

iLovePDF

Hosted tools with mobile and desktop apps and a generous free tier.

Adobe Acrobat logo

Best Stirling PDF alternative for Windows

Adobe Acrobat

A full commercial editor for complex documents and accessibility work.

PDFsam logo

Best Stirling PDF alternative for Linux

PDFsam

Open-source desktop app for splitting and merging with no server needed.

Smallpdf logo

Best Stirling PDF alternative for iPhone and Android

Smallpdf

Hosted, polished toolkit if self-hosting is more effort than it is worth.

PDF24 Tools logo

Best Stirling PDF alternative for working in the browser

PDF24 Tools

Free tools with a desktop app for Windows if you do not want to run a server.

Stirling PDF alternatives: common questions

What is the best alternative to Stirling PDF?

PDF24 Tools ranks first right now. Free tools with a desktop app for Windows if you do not want to run a server. PDFsam and Smallpdf follow it in our ranking.

Is there a free alternative to Stirling PDF?

Yes. PDF24 Tools (free), PDFsam (open source), Smallpdf (free plan + paid) and iLovePDF (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Stirling PDF?

Yes: PDFsam.

Which Stirling PDF alternatives work on Linux?

PDFsam runs on Linux.

Why do people switch from Stirling PDF?

The complaints we hear most: self-hosting needs Docker or server know-how; SSO and admin features sit in paid plans; interface is more functional than polished.

How is this list ranked?

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