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Java to C# Converter

Java to C# Converter produces great C# code, saving you hours of painstaking work and valuable time.

Try the Free Edition

  • Free
  • High-quality conversion
  • Convert folders up to 1000 lines
  • Convert snippets up to 100 lines

Purchase the Premium Edition

  • $129 US (15-day money-back guarantee)
  • High-quality conversion
  • Unlimited folder conversion length
  • Unlimited snippet conversion length

10 Second Overview

*Scroll right to see Java to C# Converter in action!

Key Benefits

The Most Comprehensive Converter


Your existing code is left completely intact.  The new C# files are written to the new location that you specify.

Our accuracy is the highest in the industry, but there will be significant adjustments required for all but the most trivial conversions.  There are no direct equivalents for some aspects of Java.  Read the rest of the FAQ to get an idea of a few things that are not converted.  Java to C# Converter is intended to reduce the amount of work you'll have to do to convert code to C#, but it is just the first step.

Anonymous inner classes are converted to C# nested private classes, but if the interface is a functional interface, then the interface is converted to a delegate and the anonymous inner class is converted to a lambda.

Yes - try out our Free Edition to see the conversion details.  We optionally convert Java functional interfaces to C# delegates.

  • Most Java platform or library function calls are not converted. However, we do convert a subset of the Java string, keyboard I/O, math, and utility function calls.  Also, many Java container classes are converted to .NET container classes.
  • Java's event handling model has no direct equivalent in C#.
  • Java wildcard generics have no equivalent in C#, unless used in a method declaration parameter list.
  • Java value-specific class bodies for enum values are not converted.
  • Java local classes cannot be declared within methods in C#. These are marked with a comment.

Additional Resources

Java and C# equivalents chart

Java to C# conversion tips

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