JSON-LD Tester
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Item media 1 screenshot
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JSON LD Test and Viewer

1.0.10: - add Darkmode - fix bug with with wrong link when click "Test all" 1.0.9: - change link to test single snippets 1.0.8: - remove "alarms" and "tabs" from permissions - add Manifest v3 1.0.6: - Json Test is now the Rich-Test's from Google 1.0.5: - small Bugfix for css. 1.0.4: - Update for small Bugfixes 1.0.3: - Refresh Button (do not need to refresh the site only in popup) / Seite nochmal durchsuchen über den Refresh Button - Show Canonical / Der Canonical wir angezeigt wenn vorhanden - Show Robots / Zeigt die Robots content an wenn vorhanden - Remove <script> Tags for Validation on Google Page Validate and Show the JSON-LD data from the current tab. Dieses Tool zeigt die Anzahl der JSON-LD Daten auf einer Website an. Im Popup Menü gibt es die Möglichkeit die Daten zu Validieren.

5 out of 510 ratings

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Pixel PatchworkOct 19, 2023

Just what I was looking for! It quickly shows the JSON LD on any site without the hughe query time that the Google JSON LD test tool requires. Perfect for tweaking your JSON LD!

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Swadesh BeheraJul 10, 2021

Very usefull, save you hours.

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Mario RaiderFeb 2, 2019

Shows amount of json-tags on plugin icon - very useful for quick view! Click on plugin-icon and get infos on canonical-url and robots-indexing-information. Direct link to google structured-data testing tool for deeper insights. Very useful - thanks for developing Mr. Kanzler!

1 person found this review to be helpful


  • Version
  • Updated
    February 10, 2024
  • Offered by
    Gerhard Kanzler
  • Size
  • Languages
  • Developer
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

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  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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