Skip to the content.
main.rs
Ln 1, Col 1 Rust
Output
Run your Rust program to see output here.
play.rust-lang.org

How to Use Rust Playground

  1. 1. Write Rust Code

    Type your Rust program with a fn main() entry point. Use the standard library freely.

  2. 2. Compile and Run

    Click Run or press ⌘↵. Your code is sent to the official Rust Playground API.

  3. 3. View Output

    Compiler errors, warnings, and println!() output appear in the Output panel.

The Technical Details

This interactive web utility provides fast, reliable, and completely private data transformations. In modern workflows, quick formatting, conversions, or estimations are essential. By running all logic entirely in your browser with client-side JavaScript, this tool guarantees that your data never leaves your machine. This approach delivers maximum performance and absolute data privacy, as no information is ever sent to a server.

Frequently Asked Questions

Does this use the official Rust Playground?

Yes. Code is executed on play.rust-lang.org, maintained by the Rust team.

Can I use external crates?

A curated set of popular crates (serde, rand, regex, etc.) is available on the Rust Playground.

Is there a time or memory limit?

Yes. The Rust Playground enforces execution time and memory limits.

Is my code private?

Code is submitted to the official Rust Playground API at play.rust-lang.org.