JSON-LD Tester is a Chrome add-on developed by Gerhard Kanzler. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory. This free tool allows users to validate and view JSON-LD data from the current tab.

With JSON-LD Tester, users can easily check the number of JSON-LD data present on a website. The add-on provides a convenient popup menu that offers the option to validate the data. This ensures that the JSON-LD data is accurate and follows the required format.

The recent updates have further enhanced the functionality of JSON-LD Tester. Versionhas removed unnecessary permissions like "alarms" and "tabs" and has incorporated Manifest v3. Versionhas introduced the Rich-Test feature from Google, replacing the previous Json Test. Additionally, versionincludes bug fixes for CSS, while versionprovides updates for minor bug fixes.

Overall, JSON-LD Tester is a valuable tool for web developers and designers who work with JSON-LD data. It simplifies the process of validating and viewing JSON-LD data, ensuring its accuracy and compliance with standards.