OpenHTMLtoPDF

github.com · checked 9 Oct 2026

#25 · PDF SDKs

Visit github.com ↗ Alternatives OpenHTMLtoPDF vs LEADTOOLS PDF SDK

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on PDF SDKs5.7#25 of 31

OpenHTMLtoPDF is a pure Java library that renders well-formed XML/XHTML and some HTML5 using CSS for PDF or image output.

Pricing

OpenHTMLtoPDFLGPL 2.1 or later · PDF/A testing module is GPL and for testing onlyFree

As github.com lists them, checked 9 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: github.com
Price: Free tier
Free trial: Not stated
Accessibility: The README describes accessible PDF support for Section 508, PDF/UA, and WCAG 2.0.
Android support: The FAQ says OpenHTMLtoPDF cannot be used on Android.
Dependencies: The project uses Apache PDFBox for PDF output and is based on Flying Saucer.
Extensions: Optional Maven modules provide SVG, MathML, and right-to-left or bidirectional text support.
HTML limits: The project says it is not a web browser, does not run JavaScript, and does not implement many modern standards such as flex and grid layout.
HTTP integrations: The guide documents plugging in an external HTTP client such as OkHttp and custom protocol handlers such as an app-specific S3 URI scheme.
Integration: The integration guide distributes releases through Maven and documents adding the library as Maven dependencies.
Java requirement: The FAQ says the library requires at least Java 8 and has been tested with OpenJDK 8, 11, and 17 early access.
PDF features: The project lists support for accessible PDFs, PDF/A, CSS3 transforms, footnotes, and inserting pages for cut-off content.
Rendering guidance: The README cautions that modern HTML5 may render poorly and recommends crafting documents for the library, avoiding floats near page breaks, and using table layouts.
Security guidance: The README advises against rendering untrusted SVG and XML; its changelog records security-related dependency updates.
Security policy: GitHub's repository security page reports that no security policy was detected.

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