JSON-LD Tester

JSON-LD Tester

JSON LD Test and Viewer

What is JSON-LD Tester?
"JSON-LD Tester" is a Chrome extension aimed at developers and SEO professionals who need to validate and display JSON-LD data on a webpage with ease. Recent updates include a dark mode option, a refreshed user interface, and Google's Rich Test feature for enhanced testing. Users can test individual snippets, view canonical links and meta robots, and enjoy increased convenience with manifest v3 compatibility and reduced permission requirements. The extension simplifies the debugging process for structured data, making it a valuable tool for improving search engine visibility and ensuring compliance with best practices in website development.
Merlin
Stats
Users: 4,000+
Rating: 5.00 (10)
Version: 1.0.10 (Last updated: 2024-02-10)
Creation date: 2018-01-31
Risk impact: Moderate risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Host permissions:
  • <all_urls>
Size: 394.24K
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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Merlin
Summary

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:

See more
User reviews
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!
by Pixel Patchwork Pixel Patchwork, 2023-10-19

Very usefull, save you hours.
by Swadesh Behera Swadesh Behera, 2021-07-10

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!
by Mario Raider Mario Raider, 2019-02-02
View all user reviews
Safety
Risk impact

JSON-LD Tester may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.

Risk likelihood

JSON-LD Tester is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

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Screenshots
Promo images
JSON-LD Tester small promo image
Small promo image
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