Localhost

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API Reference:

Expose your app’s assets through a localhost server instead of the default custom protocol.

Supported Platforms

This plugin requires a Rust version of at least 1.77.2

[TABLE]

Setup

Install the localhost plugin to get started.

• Automatic
• Manual

Use your project’s package manager to add the dependency:

• npm
• yarn
• pnpm
• deno
• bun
• cargo

npm run tauri add localhost

yarn run tauri add localhost

pnpm tauri add localhost

deno task tauri add localhost

bun tauri add localhost

cargo tauri add localhost

1. Run the following command in the src-tauri folder to add the plugin to the project’s dependencies in Cargo.toml:

   cargo add tauri-plugin-localhost

2. Modify lib.rs to initialize the plugin:

   #[cfg_attr(mobile, tauri::mobile_entry_point)]pub fn run() {    tauri::Builder::default()        .plugin(tauri_plugin_localhost::Builder::new().build())        .run(tauri::generate_context!())        .expect("error while running tauri application");}

   src-tauri/src/lib.rs

Usage

The localhost plugin is available in Rust.

use tauri::{webview::WebviewWindowBuilder, WebviewUrl};
pub fn run() {  let port: u16 = 9527;
  tauri::Builder::default()      .plugin(tauri_plugin_localhost::Builder::new(port).build())      .setup(move |app| {          let url = format!("http://localhost:{}", port).parse().unwrap();          WebviewWindowBuilder::new(app, "main".to_string(), WebviewUrl::External(url))              .title("Localhost Example")              .build()?;          Ok(())      })      .run(tauri::generate_context!())      .expect("error while running tauri application");}

src-tauri/src/lib.rs

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Last updated Oct 08, 2026