Three simple steps
How to use this tool?
This free online converter translates Delphi source code into Kotlin in three simple steps.
- Step 1
Add your Delphi code
Type, paste, or upload the Delphi code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Kotlin.
- Step 3
Review the result
Review, copy, or download the resulting Kotlin code from the output editor.
Language comparison
Key differences between Delphi and Kotlin
| Characteristic | Delphi | Kotlin |
|---|---|---|
| Syntax | Pascal-based syntax, known for its readability and simplicity. | Concise and expressive syntax, designed to be more modern and less verbose than Java. |
| Paradigm | Primarily object-oriented, with support for procedural programming. | Multi-paradigm, supporting object-oriented, functional, and imperative programming. |
| Typing | Static typing with strong type checking at compile time. | Statically typed with type inference, allowing for more flexibility. |
| Performance | Generally high performance for native applications, especially on Windows. | Performance is good, but can be slower than native languages due to JVM overhead. |
| Libraries and frameworks | Rich set of libraries for Windows development, but limited for cross-platform. | Extensive libraries and frameworks, especially for Android and server-side development. |
| Community and support | Smaller community, but dedicated support and resources available. | Large and growing community, with strong support from JetBrains and Google. |
| Learning curve | Relatively easy for beginners, especially those familiar with Pascal. | Moderate learning curve, especially for those coming from Java or other OOP languages. |
Common questions
Frequently Asked Questions
How do I convert Delphi to Kotlin?
Paste your Delphi code into the input box, confirm the languages are set to Delphi and Kotlin, and click Convert. CodeConvert AI analyzes your Delphi code and generates equivalent Kotlin code in seconds, preserving the original logic and structure.
What are the main differences between Delphi and Kotlin?
Delphi and Kotlin differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Delphi construct to its closest Kotlin equivalent. See the comparison table below for the key differences between Delphi and Kotlin.
Is the converted Kotlin code accurate?
The AI produces high-quality Kotlin code that preserves the behavior of your original Delphi code and follows Kotlin conventions. It handles common patterns, data structures, and idioms for both Delphi and Kotlin. For large or performance-critical code, review and test the Kotlin output before using it in production.
Can I convert an entire Delphi project to Kotlin?
You can convert Delphi 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 Delphi to Kotlin. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Kotlin back to Delphi?
Yes. CodeConvert AI converts in both directions, so you can convert Kotlin to Delphi just as easily using our Kotlin to Delphi converter. Try the Kotlin to Delphi Converter
Is the Delphi to Kotlin 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 Delphi to Kotlin 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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