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How to enable Debug Mode in Foxit PDF Editor

Explains how to enable debug mode in Foxit PDF Editor for troubleshooting purposes.

Answer

Support for Foxit PDF Editor v11 and v12 has been discontinued as of August 13, 2025. Upgrade to v14 to continue receiving support.

 

To enable Debug Mode in Foxit PDF Editor for windows desktop,you could choose one of the following optional methods:

Enable debug mode through the Foxit PDF Editor User Interface

Steps:

  1. Launch Foxit PDF Editor, and navigate to File > Preferences.
  2. In the Preferences Window, select "General" in the left panel. Then under "Application Startup", please check option Launch in Debug Mode, and click on OK button to save the setting.

Then, a yellow banner will appear on the title bar or the text of title bar will be changed to yellow, with text "[Debug Mode]", to let you know that you will be using the software in Debug Mode:

Then you can operate to reproduce the issue in Foxit PDF Editor. After you reproduce the issue, you can find the log files in specific location:

Suitable for which version of Foxit PDF Editor? Location
version 2023 or later %AppData%\Foxit Software\Continuous\Foxit PDF Editor\log\glog
version 13 or later %AppData%\Foxit Software\Classic\Foxit PDF Editor\log\glog
version 12 %AppData%\Foxit Software\Foxit PDF Editor\log\glog
version 11 or earlier %UserProfile%\AppData\Local\Foxit PDF Editor\glog

 

Enable debug mode through the registry

Enabling debug mode through the registry can be useful if you are having issues starting the Foxit PDF Editor application or cannot access the Preferences through its user interface.

WARNING:

Serious problems might occur if you modify the registry incorrectly. These problems may not be reversible. It is recommended that you back up the registry before modifying it. If you are uncomfortable working with the registry, do not modify the registry directly.Suggested steps to enable "Debug Mode" through registry:
  1. Make sure that Foxit PDF Editor is closed.
  2. Open "Registry Editor" (https://support.microsoft.com/en-us/windows/how-to-open-registry-editor-in-windows-10) and locate to the specific registry:
    Suitable for which version of Foxit PDF Editor? Registry
    version 2023 or later HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor\Continuous\Preferences\General
    version 13 HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor\Classic\13.0\Preferences\General
    version 12 or earlier HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor X.0\Preferences\General
    For example, if you're using Foxit PDF Editor version 11, then you need to access to HKEY_CURRENT_USER\SOFTWARE\Foxit Software\Foxit PDF Editor 11.0\Preferences\General.
  3. Add a new entry with name "bLaunchDebugMode"(without quotas), String type and value 1. For example:

Then, when you launch Foxit PDF Editor, you will find a yellow banner will appear on the title bar or the text of title bar will be changed to yellow, with text "[Debug Mode]", to let you know that you will be using the software in Debug Mode:

Then you can operate to reproduce the issue in Foxit PDF Editor. After you reproduce the issue, you can find the log files in specific location:

Suitable for which version of Foxit PDF Editor? Location
version 2023 or later %AppData%\Foxit Software\Continuous\Foxit PDF Editor\log\glog
version 13 or later %AppData%\Foxit Software\Classic\Foxit PDF Editor\log\glog
version 12 %AppData%\Foxit Software\Foxit PDF Editor\log\glog
version 11 or earlier %UserProfile%\AppData\Local\Foxit PDF Editor\glog

 

 

 

Relative article:

How to enable Debug Mode in Foxit PDF Editor for Mac