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PDF24 vs Smallpdf

PDF24 and Smallpdf both land on Worth it.

PDF24

pdf24.org

Worth it
Confidence: Medium

Use it if you need merge, split, compress, edit, or convert: it is genuinely 100% free, well rated, and works online or offline on Windows.

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PDF24 versus Smallpdf
ComparePDF24Smallpdf
VerdictWorth itWorth it
Best forOccasional merge/split/compress tasksOccasional PDF users
Who it's not forEnterprises needing compliance sign-off or support SLAsHigh-volume batch processing teams
PrivacyWidely trusted site (Gridinsoft 100/100, 20.7-year domain); one 2023 local privilege-escalation disclosure for the Windows installer.⁹No known public vulnerabilities found in the sources reviewed.14
Support qualityNo support-quality evidence foundNo support evidence in sources
Public sentimentUsers praise the breadth of free tools and the offline option, with occasional complaints about tools breaking and a softer Microsoft Store rating.⁴Sentiment is positive: Trustpilot reviews (2,236) are overwhelmingly favorable and Capterra reviewers rate value for money as reasonable for regular PDF use.12
Biggest gotchaWindows installer had a local privilege escalation flaw disclosed October 2023; keep it updated.⁹Free tier has daily usage limits; frequent users must move to a paid plan

Pick PDF24 when

  • Occasional merge/split/compress tasks
  • Budget-conscious small businesses
  • Windows users wanting offline editing
  • Anyone ditching Adobe fees

When PDF24 is not a fit

  • Enterprises needing compliance sign-off or support SLAs
  • Mac or Linux users wanting a desktop app
  • Regulated teams handling sensitive contracts with zero vendor accountability
  • Teams needing collaborative PDF workflows with audit trails

Pick Smallpdf when

  • Occasional PDF users
  • Quick compress and convert jobs
  • Students and small offices
  • Non-technical users

When Smallpdf is not a fit

  • High-volume batch processing teams
  • Compliance-heavy legal or finance document workflows
  • Anyone needing offline-only processing of sensitive files
  • Adobe Acrobat power users

Sources

  1. PDF24: Solutions for all PDF problems - 100% freepdf24.org
    official
  2. PDF24 Tools: Free PDF solutions for all PDF problemstools.pdf24.org
    official
  3. PDF24 Creator - Download - 100% free (Windows software)tools.pdf24.org
    official
  4. Trustpilot reviews of tools.pdf24.org (4.5, 113 reviews)trustpilot.com
    review
  5. PDF24 Tools on GetApp (4.7, 47 reviews)getapp.ca
    review
  6. PDF24 Online Tools - Microsoft Store (3.8, 24 ratings)apps.microsoft.com
    review
  7. PDF24, All in one free standalone/online pdf editor - Redditreddit.com
    review
  8. PDF24 Creator (or other recommended PDF tool) - Spiceworkscommunity.spiceworks.com
    review
  9. Local Privilege Escalation via MSI installer in PDF24 - SEC Consultsec-consult.com
    security
  10. Pdf24.org Review: Safe or Legit? (Gridinsoft 100/100 trust)gridinsoft.com
    security
  11. Smallpdf official sitesmallpdf.com
    official
  12. Smallpdf Trustpilot reviewstrustpilot.com
    review
  13. Smallpdf Capterra reviewscapterra.com
    review
  14. Smallpdf Gridinsoft trust scoregridinsoft.com
    security
  15. Smallpdf ScamAdviser checkscamadviser.com
    security
  16. Smallpdf 30-tool hands-on reviewjycm1518.com
    review