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Comparison

iTextpdf vs IronPDF

iTextpdf and IronPDF both land on Depends.

iTextpdf

itextpdf.com

Depends
Confidence: Medium

Buy if you're an enterprise Java/.NET team generating PDFs at scale . statements, invoices, signed documents . with a five-figure software budget.

Read the full report

iTextpdf versus IronPDF
CompareiTextpdfIronPDF
VerdictDependsDepends
Best forEnterprise Java/.NET document pipelines.NET teams generating PDFs from HTML
Who it's not forSmall teams . $45k/yr average is absurd for a PDF librarystacks (Python, Node, Ruby)
Privacy7+ public CVEs including a critical 2021 RCE; vendor is ISO 27001 certified and publishes CVE advisories.³No known public vulnerabilities found in the sources reviewed.
Support qualityNo usable evidence in sources30-day money-back guarantee; little independent support data
Public sentimentDevelopers respect iText's power for Java PDF work but constantly flag AGPL licensing confusion and steep commercial pricing.⁹Users praise IronPDF's polished Chrome-based rendering and easy API while noting it is paid.13
Biggest gotchaAGPL confusion is rampant . buyers discover licensing obligations after shipping.Pricing not published in sources; confirm license model (per-developer vs site) before buying.

Pick iTextpdf when

  • Enterprise Java/.NET document pipelines
  • High-volume statements, invoices, reports
  • Digital signatures and PDF/A compliance
  • Academic and open-source projects

When iTextpdf is not a fit

  • Small teams . $45k/yr average is absurd for a PDF library
  • Closed-source startups unwilling to pay . AGPL obligates you
  • Buyers who need transparent, published pricing
  • Anyone on deprecated iText 5 expecting new features

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. iText . official siteitextpdf.com
    official
  2. iTextPDF pricing & plans . Vendrvendr.com
    review
  3. CVE-2021-43113: iText RCE . SentinelOnesentinelone.com
    security
  4. CVE-2022-24197 DoS . Snyksecurity.snyk.io
    security
  5. CVE-2023-6299 . NVDnvd.nist.gov
    security
  6. Deprecated itextpdf repo . GitHubgithub.com
    official
  7. Pdf generation . Reddit r/javareddit.com
    review
  8. Confusion about iText licensing . CodeRanchcoderanch.com
    review
  9. iText by Apryse . G2g2.com
    review
  10. Green Dot Bank case studyitextpdf.com
    official
  11. iText PDF Library turns 25 . Hacker Newsnews.ycombinator.com
    news
  12. IronPDF homepageironpdf.com
    official
  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