Browser DevTools extension for debugging Svelte applications.

Latest Version

Version
2.2.2
Update
May 28, 2024
Size
58.61KiB
Developer
Category
Users
10,000+
Rating
4.21053 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
ActiveTab
Scripting
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Svelte DevTools Extension

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

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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.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 3,"name": "Svelte DevTools","version": "2.2.2","description": "Browser DevTools extension for debugging Svelte applications.","icons": {"16": "icons/default-16.png","24": "icons/default-24.png","48": "icons/default-48.png","96": "icons/default-96.png","128": "icons/default-128.png"},"action": {"default_icon": {"16": "icons/disabled-16.png","24": "icons/disabled-24.png","48": "icons/disabled-48.png","96": "icons/disabled-96.png","128": "icons/disabled-128.png"}},"background": {"scripts": ["background.js"],"service_worker": "background.js"},"devtools_page": "register.html","host_permissions": ["*://*/*"],"permissions": ["activeTab", "scripting"],"web_accessible_resources": [{ "matches": ["*://*/*"], "resources": ["courier.js"] }],"minimum_chrome_version": "121","browser_specific_settings": {"gecko": {"id": "[email protected]","strict_min_version": "121.0"}}}
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How to download and manually install Svelte DevTools extension for Chrome

Looking for a way to install Svelte DevTools extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Svelte DevTools extensions manually, this article outlines two simple methods to effortlessly install Svelte DevTools extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Svelte DevTools extension and manually install through Drag &Drop

If you ever need to manually install a Svelte DevTools extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Svelte DevTools Extension by clicking the "Download CRX" button on the website.

Look for the Svelte DevTools extension you wish to install. Go to the website and download the Svelte DevTools extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Svelte DevTools extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Svelte DevTools extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Svelte DevTools extension for Chrome and install in Developer Mode

This is another method to install Svelte DevTools extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Svelte DevTools extension file

Select and download the Svelte DevTools extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Svelte DevTools extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Svelte DevTools extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Svelte DevTools extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Svelte DevTools extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Rubi (ID: 00000042c9ffed9b) Voted 5 ★ - Updated 11/04/2023 I love when I can debug my svelte web app using Svelte DevTools