Svelte DevTools

Browser DevTools extension for debugging Svelte applications.

Svelte DevTools - Browser DevTools extension

Svelte DevTools is a browser DevTools extension for the open-source Svelte JavaScript framework, allowing deep insights and inspection of Svelte component hierarchies in real-time. It offers a zero-configuration setup, real-time component tree visualization, interactive state inspection, and dark mode support, and is open source and community-driven.
Install from Chrome Web Store

Extension stats

Users: 10,000+
Rating: 4.21
(19)
Version: 2.2.2 (Last updated: 2024-05-29)
Creation date: 2023-10-24
Risk impact: Moderate risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • activeTab
  • scripting
Host permissions:
  • *://*/*
Size: 60.02K

Other platforms

Not available on Android
Svelte Devtools (v1.3.0)
4.80 (10) 2,247+
Not available on Edge
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Extension summary

Check out the changelog at https://github.com/sveltejs/svelte-devtools/releases


Svelte DevTools is a browser DevTools extension for the open-source Svelte JavaScript framework. It allows you to gain deep insights and inspect the Svelte component hierarchies in the Developer Tools panel itself. After installing, you will get a new tab in your browser DevTools titled "Svelte". The DevTools panel will only work on sites with dev mode enabled, which should work out-of-the-box when you're running your Svelte app locally.

Key Features:

  • Zero-configuration: Run your application in development mode and have everything working
  • Real-time Component Tree: Svelte component hierarchy visualization in real-time, deeper understanding of your application structure and identify relationships between components easily
  • Interactive State Inspection: Modify and experiment with component states effortlessly in one place, and easily see events and other state
  • Dark Mode Support: Enjoy the sleek and user-friendly interface in both light and dark modes
  • Open Source and Community-Driven: This extension is open source and actively maintained by the Svelte community

This extension requires permissions to access the tab's content, data will be processed locally in your browser and cleared after each session.

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Powerful tool for debugging Svelte applications
  • Integrates Svelte code directly into DevTools with editable props
  • Helps in quickly debugging complex data structures
Cons
  • Not working on certain environments, such as Chromebook
  • Issues with detecting Svelte apps in some configurations (e.g., Vite, SvelteKit)
Most mentioned
  • No Svelte app detected
  • Works well for debugging Svelte web apps
  • Extension functionality issues
User reviews
by Ben Ayles, 2024-10-25

by Alexey Zaytsev, 2024-10-06

by Albert Bronsky, 2024-07-28
View all user reviews

Extension safety

Risk impact

Svelte DevTools requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Svelte DevTools is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

Upgrade to see risk analysis details

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