URL Parameter Extraction Test

Test Instructions:

To test URL parameter extraction and Base64 decoding, add parameters to the URL:

• Test with simple code parameter
• Test with Base64 code parameter ("test code")
• Test with Base64 code parameter ("Hello World")
• Test with Base64 ZenUML code
• Test with multiple parameters
• Test with invalid Base64 (should fallback)
• Test with no code parameter

Base64 Encoding Helper:

Enter text to encode as Base64:

Base64 result: