Web Developer
The Web Developer extension integrates a wide range of web development utilities directly into supported web browsers including Chrome, Edge, Firefox, and Opera. It equips developers with features to inspect elements, manipulate CSS, analyze page structure, validate code, and test responsive designs across platforms like Windows, macOS, and Linux, streamlining the front-end debugging and auditing process.
Checked on Oct 19, 2026.
Alternative resources
Responsively App
A developer tool that displays web pages across multiple devices simultaneously for responsive testing and layout verification.
Vue DevTools
Browser extension and standalone app for inspecting Vue.js component trees, states, and relationships.
Related Repos
Discover related open source projects and find alternatives and similar repositories with daily updates and browser extension integration.