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ScriptsApr 11, 2026·2 min de lecture

Tauri — Smaller, Faster, More Secure Desktop Apps in Rust

Tauri lets you build smaller, faster, and more secure desktop and mobile applications with any web frontend. Rust backend + OS native WebView (no bundled Chromium) produces ~3MB binaries compared to Electron 150MB.

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Introduction

Tauri is a toolkit for building smaller, faster, and more secure desktop and mobile applications with a web frontend. Instead of bundling Chromium (like Electron), Tauri uses the the OS native WebView (WebKit on macOS/Linux, WebView2 on Windows) and a Rust backend.

What Tauri Does

  • Rust backend — filesystem, shell, network, native APIs
  • Commands — TypeScript → Rust function calls
  • System tray — cross-platform tray icons
  • Menus — native menu bar, context menus
  • Updater — cryptographically signed auto-updates
  • Sidecar binaries — ship extra executables
  • Mobile (v2) — iOS and Android targets
  • Permissions — granular allowlist per capability

Architecture

One process split into Core (Rust) + WebView (HTML/JS). Frontend calls Rust commands via IPC. Tauri v2 introduces a plugin system, mobile support, and fine-grained capability-based permissions (replacing the v1 allowlist).

Self-Hosting

npm run tauri build
# Produces platform-specific installers in src-tauri/target/release/bundle/
# .msi / .dmg / .app / .deb / .rpm / .AppImage

Key Features

  • 3-10MB binaries (vs Electron 150MB)
  • Rust backend (memory-safe, fast)
  • Mobile support (iOS/Android)
  • Capability-based security
  • Code signing (Windows + macOS)
  • Cross-platform installers
  • Plugin ecosystem
  • ~80MB idle memory

Comparison

Framework Size Language Mobile Runtime
Tauri 3-10MB Rust + JS Yes (v2) OS WebView
Electron ~150MB JS No Chromium + Node
Wails ~8MB Go + JS No OS WebView
Neutralino ~2MB C++ + JS No OS WebView

FAQ

Q: What do I do about WebView inconsistencies? A: Rendering differs across macOS Safari, Windows Edge, and Linux WebKitGTK. Test every target. Tauri 2 is improving consistency.

Q: Do I have to learn Rust? A: Not for basic commands. You only write Rust when customizing native features. Most web developers pick it up within a few days.

Q: What's the difference between v1 and v2? A: v2 adds mobile support, a new permission system, and a plugin architecture. v1 is desktop-only.

Sources & Credits

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