Three simple steps
How to use this tool?
This free online converter translates VB6 source code into Delphi in three simple steps.
- Step 1
Add your VB6 code
Type, paste, or upload the VB6 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 VB6 and Delphi
| Characteristic | VB6 | Delphi |
|---|---|---|
| Syntax | Basic-like syntax, more verbose and user-friendly. | Pascal-based syntax, more concise and structured. |
| Paradigm | Primarily procedural programming with some object-oriented features. | Fully supports object-oriented programming. |
| Typing | Dynamically typed, with some static typing options. | Statically typed, with strong type checking. |
| Performance | Generally slower due to interpreted nature and runtime overhead. | Compiles to native code, typically faster performance. |
| Libraries and frameworks | Limited to built-in libraries and some third-party controls. | Rich set of libraries and frameworks, including VCL and FMX. |
| Community and support | Smaller community, less active support due to age. | Active community with ongoing support and updates. |
| Learning curve | Easier for beginners, especially for those familiar with Basic. | Steeper learning curve due to more complex features and paradigms. |
Common questions
Frequently Asked Questions
How do I convert VB6 to Delphi?
Paste your VB6 code into the input box, confirm the languages are set to VB6 and Delphi, and click Convert. CodeConvert AI analyzes your VB6 code and generates equivalent Delphi code in seconds, preserving the original logic and structure.
What are the main differences between VB6 and Delphi?
VB6 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 VB6 construct to its closest Delphi equivalent. See the comparison table below for the key differences between VB6 and Delphi.
Is the converted Delphi code accurate?
The AI produces high-quality Delphi code that preserves the behavior of your original VB6 code and follows Delphi conventions. It handles common patterns, data structures, and idioms for both VB6 and Delphi. For large or performance-critical code, review and test the Delphi output before using it in production.
Can I convert an entire VB6 project to Delphi?
You can convert VB6 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 VB6 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 VB6?
Yes. CodeConvert AI converts in both directions, so you can convert Delphi to VB6 just as easily using our Delphi to VB6 converter. Try the Delphi to VB6 Converter
Is the VB6 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 VB6 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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