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Comparison

Gotenberg vs IronPDF

Gotenberg and IronPDF both land on Depends.

Gotenberg

gotenberg.dev

Depends
Confidence: Medium

Buy if you have Docker and DevOps capacity and want free, self-hosted document conversion . developers genuinely like it.

Read the full report

IronPDF

ironpdf.com

Depends
Confidence: Medium

Buy if you're a .NET team shipping commercial apps that need pixel-accurate HTML-to-PDF rendering and a friendly API.

Read the full report

Gotenberg versus IronPDF
CompareGotenbergIronPDF
VerdictDependsDepends
Best forBackend devs generating PDFs from HTML.NET teams generating PDFs from HTML
Who it's not forNon-technical teams wanting click-and-convert SaaSstacks (Python, Node, Ruby)
PrivacyMultiple 2026 CVEs, including a CVSS 10 unauthenticated RCE . patch discipline is mandatory.No known public vulnerabilities found in the sources reviewed.
Support qualityCommunity GitHub support only, no SLA30-day money-back guarantee; little independent support data
Public sentimentDevelopers praise it as an effortless, reliable document-to-PDF converter but note the heavy Docker image.⁷Users praise IronPDF's polished Chrome-based rendering and easy API while noting it is paid.13
Biggest gotchaCVSS 10 unauthenticated RCE disclosed May 2026 . run latest release, never expose it publicly³Pricing not published in sources; confirm license model (per-developer vs site) before buying.

Pick Gotenberg when

  • Backend devs generating PDFs from HTML
  • Workflow automation (n8n, scripts)
  • Privacy-sensitive orgs needing self-hosting
  • Office-document-to-PDF pipelines

When Gotenberg is not a fit

  • Non-technical teams wanting click-and-convert SaaS
  • Anyone without Docker and DevOps capacity
  • Teams that can't patch quickly after CVEs
  • Buyers needing vendor SLAs and support contracts

Pick IronPDF when

  • .NET teams generating PDFs from HTML
  • SaaS invoice and report generation
  • Commercial apps needing signed, secure PDFs

When IronPDF is not a fit

  • Non-.NET stacks (Python, Node, Ruby)
  • Hobby projects needing a free library
  • One-off PDF tasks . overkill; use a free tool
  • Buyers requiring public security documentation

Sources

  1. Gotenberg official sitegotenberg.dev
    official
  2. Gotenberg HTTPS discussion #502github.com
    official
  3. CVSS 10 RCE and SSRF vulnerabilitiessecurityonline.info
    security
  4. CVE-2026-27018 Auth Bypasssentinelone.com
    security
  5. GHSA-3cv5-q585-h563 Arbitrary PDF readgithub.com
    security
  6. Gotenberg CVE listapp.opencve.io
    security
  7. n8n community recommendation threadcommunity.n8n.io
    review
  8. Reddit r/PHP client discussionreddit.com
    review
  9. PulseList directory listing (Free)thepulselist.com
    review
  10. Gotenberg vs IronPDF comparisonmedium.com
    news
  11. IronPDF homepageironpdf.com
    official
  12. IronPDF Reviews 2026: Details, Pricing, & Featuresg2.com
    review
  13. Free PDF Library : r/dotnetreddit.com
    review
  14. IronPDF - PDF Associationpdfa.org
    review
  15. The 3 C# PDF Libraries Every Developer Must Knowantondevtips.com
    review
  16. Beyond Basic PDFs: 8 Powerful C# PDF Librariessyncfusion.com
    review