Three simple steps
How to use this tool?
This free online converter translates C source code into Rust 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 Rust.
- Step 3
Review the result
Review, copy, or download the resulting Rust code from the output editor.
See it in action
Examples of C to Rust conversion
These examples show C 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.
C code
Rust code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
C code
Rust code
Language comparison
Key differences between C and Rust
| Characteristic | C | Rust |
|---|---|---|
| Syntax | C has a simple syntax with a focus on low-level programming. | Rust has a more complex syntax with a focus on memory safety and modern programming concepts. |
| Paradigm | C is a procedural language with some support for object-oriented programming. | Rust is a multi-paradigm language with support for functional and imperative programming, as well as object-oriented programming. |
| Typing | C is a statically typed language with weak typing. | Rust is a statically typed language with strong typing and type inference. |
| Performance | C is known for its high performance and low-level control over system resources. | Rust is also known for its high performance, but with added safety features that can sometimes impact performance. |
| Libraries and frameworks | C has a large number of libraries and frameworks available, particularly for system-level programming. | Rust has a growing number of libraries and frameworks available, with a focus on safety and performance. |
| Community and support | C has a large and established community with many resources available for learning and support. | Rust has a smaller but growing community with a focus on safety and modern programming concepts. |
| Learning curve | C has a relatively steep learning curve, particularly for beginners with no prior programming experience. | Rust has a steep learning curve, particularly for beginners with no prior programming experience, but with added safety features that can make it easier to write correct code. |
Common questions
Frequently Asked Questions
How do I convert C to Rust?
Paste your C code into the input box, confirm the languages are set to C and Rust, and click Convert. CodeConvert AI analyzes your C code and generates equivalent Rust code in seconds, preserving the original logic and structure.
What are the main differences between C and Rust?
C 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 C construct to its closest Rust equivalent. See the comparison table below for the key differences between C and Rust.
Is the converted Rust code accurate?
The AI produces high-quality Rust code that preserves the behavior of your original C code and follows Rust conventions. It handles common patterns, data structures, and idioms for both C and Rust. For large or performance-critical code, review and test the Rust output before using it in production.
Can I convert an entire C project to Rust?
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 Rust. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Rust back to C?
Yes. CodeConvert AI converts in both directions, so you can convert Rust to C just as easily using our Rust to C converter. Try the Rust to C Converter
Is the C 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 C to Rust 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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