Web Component DevTools

Developer tooling for Web Components and Web Component Libraries

Web Component DevTools Extension for Chrome

"Web Component DevTools" is a Chrome extension designed to enhance the work efficiency of developers handling Web Components. This tool creates a new Chrome Devtools panel for quick identification and modification of custom elements, their properties, and attributes on a given page. It allows the developer to directly interact with web components, view source code, call functions, and observe dispatched events, right from the browser's UI."
Install from Chrome Web Store

Extension stats

By: Matsuuu
Users: 7,000+
Rating: 4.33
(9)
Version: 0.2.2 (Last updated: 2023-02-02)
Creation date: 2021-07-06
Risk impact: High risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • tabs
  • contextMenus
  • scripting
Host permissions:
  • <all_urls>
Size: 1.82M

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Not available on Edge
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Extension summary

Developer tooling for Web Components and Web Component Libraries Web Component DevTools is aimed at all developers working with Web Components. The tooling provided creates a new Chrome Devtools panel, which allows a quick look at the custom elements on the current page, and enables modification of attributes and properties of said components.

Web Component DevTools utilizes the Custom Elements Manifest (https://github.com/webcomponents/custom-elements-manifest) to analyze the Web Components.

Features:

Web Component DevTools provides advanced features to the developer, straight from the browser's UI to, for example:

  • Listing custom elements on the page, and accessible iframes inside the page
  • Filtering custom elements on the list
  • Inspecting and modifying the attributes of custom elements
  • Inspecting and modifying the properties (even objects and arrays) of custom elements
  • Observing dispatched events
See more

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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
  • Excellent tool with useful features
  • Helps in analyzing and understanding web components
  • Fantastic addition to web component development workflow
  • Very helpful for tracking and diving into web components
  • Provides functionality similar to Storybook on a live website
Cons
  • Slow performance when analyzing components
  • Issues with detecting web components
  • Overridden application methods causing strange issues
Most mentioned
  • Helpful for web component analysis
  • Performance issues
  • Detecting and understanding components
User reviews
by Jhon Noriega, 2024-09-20

by jagathiswaran t, 2024-07-02

The app looks very promising I just discovered it, but It's very slow when you click to analyze a component, taking minutes to finish
by Amine Maghous, 2024-05-12
View all user reviews

Extension safety

Risk impact

Web Component DevTools requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Web Component DevTools has earned a good reputation and can be trusted.

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