Before you install: Ember Inspector only shows data on pages that run an Ember.js app. On other pages its toolbar icon is grey.

Why it's a strong pick

Ember Inspector lives in the emberjs organization on GitHub, the Ember.js project. It is open source under the MIT license, and its code is public. It uses Manifest V3, Chrome's current extension format. The latest GitHub release we found is v4.17.0, from 24 April 2026.

What it does

The README says it adds an Ember tab to the browser's Developer Tools. In that tab you can inspect Ember objects in your application. The manifest describes it as a tool for debugging Ember applications. The README also lists builds for Firefox and Opera.

Key features

Ember tab. Inspect Ember objects inside DevTools.
Context menu entry. Reach the tool from the right-click menu.
Options page. Change its settings.
Clear status icon. The toolbar icon is grey on pages that do not run Ember.
Editor link. Release notes for v4.17.0 mention opening components in your preferred text editor.
Open source. The code is public under MIT.

Who it's for

Ember Inspector is for Ember.js developers who want to look inside a running app. It is not for general browsing, and it shows nothing on sites that do not use Ember.

What permissions does Ember Inspector ask for?

We read the source manifest template. It asks for storage and contextMenus, and for access to all sites. It runs content scripts in all frames, including one in the page's main world at document start. It also adds a DevTools page and an options page. Read the install prompt before you add it.

How do I know it found my Ember app?

Look at the toolbar icon. Per the manifest, the icon is grey on a page that is not running Ember.js, and the tooltip says so. On an Ember page, open DevTools and look for the Ember tab. If you see the grey icon on your own app, check the page loaded your Ember code.

Can I trust its privacy?

We could not read the developer's privacy policy when we checked; read it before installing. We can say what the source manifest asks for: access to all sites and a script that runs on every page so it can detect Ember.

How often is it updated?

We found GitHub releases v4.15.0 on 19 November 2025, v4.15.1 on 18 February 2026 and v4.17.0 on 24 April 2026. The repo also had commits on 29 June 2026. These are repo dates, not store dates. Check the install prompt and the project's GitHub page for what the store build ships.

FAQ

Is it from the Ember team? It is in the emberjs GitHub organization, the Ember.js project.

Does it work in other browsers? The README lists builds for Firefox and Opera as well.

Is it open source? Yes, under the MIT license.

Good to know

Honest limit: it runs a content script on every page, in all frames, so it can spot Ember. It shows data only for Ember apps. If you also work in other frameworks, install it only if you need it.

Other developer tools to compare

Ember Inspector is one of 13 picks in our developer tools guide:

Redux DevTools: debug Redux state.
Apollo Client Devtools: inspect Apollo Client apps.
Preact Developer Tools: inspect Preact components.
Lighthouse: audit a page.
JSON Formatter: read JSON responses.
React Developer Tools: inspect React components.
Vue.js devtools: inspect Vue 3 apps.
Requestly: redirect URLs, modify headers and mock requests while you test.
Solid DevTools: debug SolidJS reactivity.
MobX Developer Tools: debug MobX apps.
Refined GitHub: Simplifies GitHub and adds 100+ small improvements for repos and pull requests. Works on GitHub.com only. Open source.
Header Editor: Rewrites request and response headers, redirects and blocks requests with rules you set. The Chrome build is the Lite version. Open source.