> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zas.red/llms.txt
> Use this file to discover all available pages before exploring further.

# Send Code Snippets with Syntax Highlighting in Zas

> Paste code straight into the Zas composer for automatic language detection and syntax highlighting. Share snippets across all your devices instantly.

Zas detects code automatically and highlights it for readability. Paste a snippet into the composer, and it renders with the correct language colors on every device you use.

## How to send a code snippet

<Steps>
  <Step title="Copy your code">
    Copy the code from your editor, terminal, or documentation.
  </Step>

  <Step title="Paste into the composer">
    In [zas.web](https://zas.web) or the Android app, paste the code into the composer. Zas detects the language automatically.
  </Step>

  <Step title="Press Send">
    Tap **Send**. The snippet appears in your feed with syntax highlighting.
  </Step>
</Steps>

## What is supported

Zas supports a wide range of programming languages. The most common ones, including JavaScript, Python, Rust, Go, and TypeScript, are detected automatically. If the detection is wrong, you can override the language label before sending.

<Info>
  Code snippets are treated like any other item. They expire after 5 days unless pinned, and they appear on all your signed-in devices immediately.
</Info>

## What to try next

* [Send other item types](/en/using-zas/send)
* [Pause expiry with a pin](/en/using-zas/pins)
* [Export everything in transit](/en/using-zas/export)