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The Vue.js DevTools

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Vue has a great panel that integrates into the Browser Developer Tools, which lets you inspect your application and interact with it, to ease debugging and understanding

When you’re first experimenting with Vue, if you open the Browser Developer Tools you will find this message: “Download the Vue Devtools extension for a better development experience:

Hint to install the Vue devtools

This is a friendly reminder to install the Vue Devtools Extension. What’s that? Any popular framework has its own devtools extension, which generally adds a new panel to the browser developer tools that is much more specialized than the ones that the browser ships by default. In this case, the panel will let us inspect our Vue application and interact with it.

This tool will be an amazing help when building Vue apps. The developer tools can only inspect a Vue application when it’s in development mode. This makes sure no one can use them to interact with your production app (and will make Vue more performant because it does not have to care about the devtools)

Let’s install it!

There are 3 ways to install the Vue Dev Tools:

Safari, Edge and other browsers are not supported with a custom extension, but using the standalone application you can debug a Vue.js app running in any browser.

Install on Chrome

Go to this page on the Google Chrome Store: and click Add to Chrome.

Add to chrome

Go through the installation process:

Add extension

The Vue.js devtools icon shows up in the toolbar. If the page does not have a Vue.js instance running, it’s grayed out.

Vue DevTools installed

If Vue.js is detected, the icon has the Vue logo colors.

Icon colored

The icon does nothing except showing us that there is a Vue.js instance. To use the devtools, we must open the Developer Tools panel, using “View → Developer → Developer Tools”, or Cmd-Alt-i

DevTools window

Install on Firefox

You can find the Firefox dev tools extension in the Mozilla addons store:

Firefox addons store

Click “Add to Firefox” and the extension will be installed. As with Chrome, a grayed icon shows up in the toolbar

Firefox addon installed

And when you visit a site that has a Vue instance running, it will become green, and when we open the Dev Tools we will see a “Vue” panel:

Vue devtools in Firefox

Install the standalone app

Alternatively, you can use the DevTools standalone app.

Install it using

npm install -g @vue/devtools


yarn global add @vue/devtools

and run it by calling


This will open the standalone Electron-based application.

Standalone Vue devtools

now, paste the script tag it shows you:

<script src="http://localhost:8098"></script>

inside the project index.html file, and wait for the app to be reloaded, and it will automatically connect to the app:

Standalone Vue devtools connected

How to use the Developer Tools

As mentioned, the Vue DevTools can be activated by opening the Developer Tools in the browser and moving to the Vue panel.

Another option is to right-click on any element in the page, and choose “Inspect Vue component”:

Inspect vue component

When the Vue DevTools panel is open, we can navigate the components tree. When we choose a component from the list on the left, the right panel shows the props and data it holds:

Navigate the components tree

On the top there are 4 buttons:

Notice the small = $vm0 text beside a component? It’s a handy way to inspect a component using the Console. Pressing the “esc” key shows up the console in the bottom of the devtools, and you can type $vm0 to access the Vue component:

Component Console Shortcut

This is very cool to inspect and interact with components without having to assign them to a global variable in the code.

Filter components

Start typing a component name, and the components tree will filter out the ones that don’t match.

Filter components

Select component in the page

Click the

Select component in the page

button and you can hover any component in the page with the mouse, click it, and it will be opened in the devtools.

Format components names

You can choose to show components in camelCase or use dashes.

Filter inspected data

On the right panel, you can type any word to filter the properties that don’t match it.

Inspect DOM

Click the Inspect DOM button to be brought to the DevTools Elements inspector, with the DOM element generated by the component:

Inspect DOM

Open in editor

Any user component (not framework-level components) has a button that opens it in your default editor. Very handy.

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