Three simple steps
How to use this tool?
This free online converter translates C# source code into Delphi in three simple steps.
- Step 1
Add your C# code
Type, paste, or upload the C# code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Delphi.
- Step 3
Review the result
Review, copy, or download the resulting Delphi code from the output editor.
Language comparison
Key differences between C# and Delphi
| Characteristic | C# | Delphi |
|---|---|---|
| Syntax | C# has a C-style syntax that is modern and expressive. | Delphi uses Object Pascal syntax, which is more verbose and less familiar to those used to C-style languages. |
| Paradigm | C# is primarily object-oriented but also supports functional and imperative programming. | Delphi is primarily object-oriented and also supports procedural programming. |
| Typing | C# is statically typed with strong type checking. | Delphi is also statically typed with strong type checking. |
| Performance | C# performance is generally good, especially with JIT compilation and optimizations in .NET. | Delphi is known for high performance, especially in native applications. |
| Libraries and frameworks | .NET provides a vast ecosystem of libraries and frameworks, including ASP.NET, Entity Framework, etc. | Delphi has a rich set of libraries, especially for VCL and FMX, but fewer modern web frameworks. |
| Community and support | C# has a large and active community with extensive resources and support from Microsoft. | Delphi has a smaller community, but there are dedicated forums and resources available. |
| Learning curve | C# has a moderate learning curve, especially for those familiar with C-style languages. | Delphi has a steeper learning curve for those not familiar with Pascal-based languages. |
Common questions
Frequently Asked Questions
How do I convert C# to Delphi?
Paste your C# code into the input box, confirm the languages are set to C# and Delphi, and click Convert. CodeConvert AI analyzes your C# code and generates equivalent Delphi code in seconds, preserving the original logic and structure.
What are the main differences between C# and Delphi?
C# and Delphi differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each C# construct to its closest Delphi equivalent. See the comparison table below for the key differences between C# and Delphi.
Is the converted Delphi code accurate?
The AI produces high-quality Delphi code that preserves the behavior of your original C# code and follows Delphi conventions. It handles common patterns, data structures, and idioms for both C# and Delphi. For large or performance-critical code, review and test the Delphi output before using it in production.
Can I convert an entire C# project to Delphi?
You can convert C# files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from C# to Delphi. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Delphi back to C#?
Yes. CodeConvert AI converts in both directions, so you can convert Delphi to C# just as easily using our Delphi to C# converter. Try the Delphi to C# Converter
Is the C# to Delphi converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert C# to Delphi without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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