---
title: ".rs file — what it is and how to open it"
description: "A .rs file is a Rust Source. Source code in Rust, a systems language with memory safety enforced at compile time. How to open one on Windows, macOS and Linux, and what to convert it to."
url: https://atoneplace.net/file/rs/
site: "At One Place"
---

# .rs files

**.rs file: Rust Source**

Source code in Rust, a systems language with memory safety enforced at compile time.

## What opens a .rs file

- **Windows:** Visual Studio Code, RustRover, Notepad (built in)
- **macOS:** Visual Studio Code, RustRover, TextEdit (built in)
- **Linux:** Visual Studio Code, RustRover, Text Editor (built in)
- **In a browser:** Rust Playground

## What a .rs file is

Rust came out of Mozilla Research and reached 1.0 in 2015; its borrow checker prevents whole classes of memory bugs without a garbage collector. A .rs file is plain text built by cargo, the project and dependency tool that every Rust project uses. It now appears in the Linux kernel, Firefox and Windows components.

## Converting it

A .rs file is commonly converted to .exe or .txt. It is a plain text format, so any text editor can open and edit it directly.

## Details

- **Extension:** .rs
- **Full name:** Rust Source
- **Category:** Code and scripts
- **Created by:** Rust Foundation
- **Format:** Plain text

## Common questions

### How do I open a .rs file?

On Windows use Visual Studio Code; on macOS use Visual Studio Code; on Linux use Visual Studio Code. Source code in Rust, a systems language with memory safety enforced at compile time.

### What is a .rs file?

Rust Source. Rust came out of Mozilla Research and reached 1.0 in 2015; its borrow checker prevents whole classes of memory bugs without a garbage collector. A .rs file is plain text built by cargo, the project and dependency tool that every Rust project uses.

### Can I convert a .rs file?

Yes. It is usually converted to .exe or .txt, either by exporting from one of the programs listed above or with a format converter.

## Related pages

- [.html — HyperText Markup Language](https://atoneplace.net/file/html/)
- [.js — JavaScript Source](https://atoneplace.net/file/js/)
- [.css — Cascading Style Sheet](https://atoneplace.net/file/css/)
- [.py — Python Source](https://atoneplace.net/file/py/)
- [.java — Java Source](https://atoneplace.net/file/java/)
- [.tsx — TypeScript Source (JSX)](https://atoneplace.net/file/tsx/)
- [.cpp — C++ Source](https://atoneplace.net/file/cpp/)
- [.php — PHP Source](https://atoneplace.net/file/php/)
- [.c — C Source](https://atoneplace.net/file/c/)
- [.cs — C# Source](https://atoneplace.net/file/cs/)
- [.go — Go Source](https://atoneplace.net/file/go/)
- [.rb — Ruby Source](https://atoneplace.net/file/rb/)

## Sources

- Media Types Registry — IANA (https://www.iana.org/assignments/media-types/)
- Official vendor product documentation — At One Place (/about/)