Is JSON-LD Tester – Structured Data & Agent Tools Inspector safe?

Clean risk

Shows and validates JSON-LD data found on the current website.

This extension displays the number of JSON-LD snippets on the current tab and shows the detected JSON-LD data in its popup. It provides validation through Google Rich Results tests, includes a refresh button, and can show canonical and robots metadata when available.

Gerhard KanzlerChrome Web Store
0Risk
Who publishes it

Gerhard Kanzler - 1 other listing from the same operator, none carrying a finding

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

Publisher
Gerhard Kanzler

Same store account

1 other listing published from this account, 4k+ users between them, none of them carrying a finding.

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

Publishers can request a review.

Where it sends data

Destinations our analysis observed JSON-LD Tester – Structured Data & Agent Tools Inspector contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • Googlewidely used

    JSON-LD Tester – Structured Data & Agent Tools Inspector sends data to Google. Named as a recipient by 195 other extensions we have analysed.

Updated 15 October 2026aohmciehgjboidolkmoaofcbnejmokan