RealObjects PDFreactor 10 Released

The leading HTML to PDF conversion engine just got better: PDFreactor 10 is now available.

PDFreactor 10 is a major upgrade with great new features, fixes and improvements such as:

  • Segmentation functionality enables you to create documents with many thousands of pages with little memory impact
  • Highly optimized table mode drastically reduces the amount of time and memory required to convert large uniform tables, even with millions of rows
  • Color space conversion for CSS colors and images, configurable via the API
  • Support for typographic font families, including the CSS property “font-stretch” and numerical “font-weight” values
  • CSS page groups, including the ability to select the first pages of chapters
  • Optional validation of created PDF/A documents
  • Completely revised flex-box layout, resulting in significantly improved standard compliance and browser-like behavior as well as better handling of many edge-cases and pagination
  • Greatly enhanced JavaScript support and compatibility
  • Improved debug mode

For more information about PDFreactor 10, please visit Make sure to check out the samples, highlighting the new features.

For a full list of changes and corrections see the changelog.

Important release notes und upgrading information can be found in the readme.


PDFreactor Web Service users: Please refer to the migration guide before updating to PDFreactor 10, as the installation process may overwrite settings.

Upgrading to PDFreactor 10

The new version is a free upgrade for all PDFreactor customers with a valid support and maintenance subscription. A version 10 license key is required and should be requested at or here. PDFreactor 10 will not work with PDFreactor 9 or older license keys.

If you do not have a valid support and maintenance subscription, please contact to purchase an upgrade.

When upgrading to PDFreactor 10, you might have to update your integration code or documents since there have been some changes in the PDFreactor APIs. Please make sure to consult our migration guide.

For more information about PDFreactor 10, please visit If you have any questions about PDFreactor 10, please don’t hesitate to contact