Is Web Component DevTools safe?

Clean risk

Adds a Chrome DevTools panel for inspecting and editing Web Components on the current page.

This extension lists custom elements on a page and accessible iframes, with filtering to help developers find components. It lets developers inspect and modify attributes and properties, observe dispatched events, call component functions, and log return values from the DevTools UI. Its permissions allow it to work across websites and integrate with tabs, context menus, and DevTools.

0Risk
Who publishes it

Matsuuu - no other listings under this identity, 2 shared hostnames

What this publisher told the store about itself, and the other listings that told it the same thing.

Shared hosts - 2 hostnames

Hostnames hardcoded in this extension that few other listings call. That can mean one operator behind both, and it can equally mean a small shared vendor, so it is context rather than a conclusion. Hosts that many listings call are left out: they are services, not connections.

custom-elements-manifest.netlify.com
Also called by 1 other listing: Web Component DevTools
my-site.com
Also called by 5 other listings, including Web Component DevTools

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 15 October 2026amo-2712706