Three simple steps
How to use this tool?
This free online converter translates Swift source code into Rust in three simple steps.
- Step 1
Add your Swift code
Type, paste, or upload the Swift code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Rust.
- Step 3
Review the result
Review, copy, or download the resulting Rust code from the output editor.
See it in action
Examples of Swift to Rust conversion
These examples show Swift source code and the corresponding Rust translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
Swift code
Rust code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Swift code
Rust code
Language comparison
Key differences between Swift and Rust
| Characteristic | Swift | Rust |
|---|---|---|
| Syntax | Swift has a syntax that is similar to many other modern programming languages, making it relatively easy to read and write. | Rust has a syntax that is unique and can be more challenging for beginners, but it offers powerful features like pattern matching and ownership system. |
| Paradigm | Swift is a multi-paradigm language that supports both object-oriented and functional programming. | Rust is a multi-paradigm language that combines imperative, functional, and concurrent programming. |
| Typing | Swift has a strong and static type system, which helps catch errors at compile-time. | Rust also has a strong and static type system, with additional features like type inference and algebraic data types. |
| Performance | Swift is known for its high performance and efficiency, making it suitable for building resource-intensive applications. | Rust is designed for high performance and low-level system programming, with features like zero-cost abstractions and fine-grained control over memory. |
| Libraries and frameworks | Swift has a rich ecosystem of libraries and frameworks, especially for iOS and macOS development. | Rust has a growing ecosystem of libraries and frameworks, with a focus on systems programming and web development. |
| Community and support | Swift has a large and active community, with official support from Apple and a dedicated package manager (Swift Package Manager). | Rust has a passionate and growing community, with official support from Mozilla and a package manager (Cargo) that simplifies dependency management. |
| Learning curve | Swift has a relatively gentle learning curve, especially for developers familiar with other modern programming languages. | Rust has a steeper learning curve due to its unique concepts like ownership and borrowing, but it rewards developers with safer and more efficient code. |
Common questions
Frequently Asked Questions
How do I convert Swift to Rust?
Paste your Swift code into the input box, confirm the languages are set to Swift and Rust, and click Convert. CodeConvert AI analyzes your Swift code and generates equivalent Rust code in seconds, preserving the original logic and structure.
What are the main differences between Swift and Rust?
Swift and Rust differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Swift construct to its closest Rust equivalent. See the comparison table below for the key differences between Swift and Rust.
Is the converted Rust code accurate?
The AI produces high-quality Rust code that preserves the behavior of your original Swift code and follows Rust conventions. It handles common patterns, data structures, and idioms for both Swift and Rust. For large or performance-critical code, review and test the Rust output before using it in production.
Can I convert an entire Swift project to Rust?
You can convert Swift 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 Swift to Rust. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Rust back to Swift?
Yes. CodeConvert AI converts in both directions, so you can convert Rust to Swift just as easily using our Rust to Swift converter. Try the Rust to Swift Converter
Is the Swift to Rust 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 Swift to Rust without an account for up to 5 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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