ExtSpot
JSON-LD Tester – Structured Data & Agent Tools Inspector icon

JSON-LD Tester Chrome Extension Analysis

Developer & Designer Tools

Store listing title: JSON-LD Tester – Structured Data & Agent Tools Inspector

Chrome extension ID: aohmciehgjboidolkmoaofcbnejmokan

A Chrome extension that detects and displays JSON-LD data on the current webpage. It includes utility features such as showing canonical URLs, robots.txt status, and integration with the Google Rich Results Test tool.

Developer:Gerhard Kanzler
Version:2.4.0
Size:177KiB
Last updated:
View developer profile
External:Chrome Web Store

Overview

Installs

7K+

Rating

★ 4.9

16 reviews

Languages

4 locales

Includes Deutsch, English, español, italiano

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

Developer & Designer Tools

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The tool positions itself as a fast viewer and validator for JSON-LD structured data. It emphasizes efficiency by allowing users to see the count of JSON-LD tags directly on the extension icon and providing quick links to Google's validation tools.

Inferred product pattern

A specialized SEO utility acting as a lightweight wrapper and shortcut for Google's structured data validation ecosystem.

Review-backed pain points

A user reported that German umlauts (ä, ö, ü) are incorrectly encoded when data is sent to the Google Rich Results testing tool.

Observed feature gaps

Users have requested a visual preview of how found entities would actually appear in Google Search results.

Tags
JSON-LDStructured DataSEO ToolDeveloper UtilityRich Results
Target users

- SEO Specialists

- Web Developers

- Digital Marketers

Primary use cases

- Validating structured data

- Checking JSON-LD count on a page

- Debugging rich snippets in real-time

Positive themes

- Speed of preview compared to Google's official tool

- Usefulness of the icon-based tag count

- Support for JSON-LD loaded via scripts

- Utility for offline pages

Negative themes

- Character encoding issues with non-English characters

Observed friction

- No pricing friction observed; the tool appears to be free.

Evidence boundary: Analysis based on the Chrome Web Store listing and a sample of 9 user reviews. Review sample is small relative to the total number of users.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No support or account complaints found in the provided samples.

Reliability

Minor reliability issue reported regarding character encoding for German language support.

Privacy

No privacy or security complaints found.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 8

- Videos: 0

- Languages: 4

Trust signals

- Developer contact

Store metadata

- Version: 2.4.0

- Size: 177KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

JSON-LD testerstructured data viewervalidate JSON-LDGoogle Rich Results extension

Comparison

JSON-LD tester vs Google Rich Results Testbest structured data extension

Problem

how to check JSON-LDdebug structured datavalidate rich snippets

Alternative

JSON-LD validator alternativestructured data checker extension

Similar extensions

Jump to related discovery paths:

More in developerMore from this developer

Screenshots

JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot
JSON-LD Tester – Structured Data & Agent Tools Inspector screenshot

Recommended Chrome extensions

Related listings from the same category, trending peers, and the same publisher portfolio.

Browse developer
Xdebug Helper icon

Xdebug Helper

Gerhard Kanzler

One-click Xdebug debugging, profiling and tracing for PHP. Toggle sessions right from your toolbar.

Installs

4K+

Rating

★ 5.0

Secure Shell icon

Secure Shell

Google Secure Shell Developers

Terminal emulator and SSH and SFTP client.

Installs

800K+

Rating

★ 4.1

Get cookies.txt LOCALLY icon

Get cookies.txt LOCALLY

kairi003

Get cookies.txt, NEVER send information outside with open-source

Installs

800K+

Rating

★ 4.8

JSONVue icon

JSONVue

gildas

Validate and view JSON documents

Installs

800K+

Rating

★ 4.5

Foxified icon

Foxified

foxified

Emulate firefox extensions in Chrome, Opera and other Chromium based browsers

Installs

700K+

Rating

★ 4.8

Tampermonkey BETA icon

Tampermonkey BETA

Jan Biniok

Change the web at will with userscripts

Installs

700K+

Rating

★ 4.8

Color Picker for Chrome™ icon

Color Picker for Chrome™

colorpicker08

HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page

Installs

700K+

Rating

★ 4.0

Assinatura Digital no Navegador icon

Assinatura Digital no Navegador

bry-suporte-apps

Esta extensão é projetada para ser utilizada em conjunto com outras soluções e não funciona de forma isolada para a assinatura.

Installs

700K+

Rating

★ 2.4

Postman Interceptor icon

Postman Interceptor

Postman

Capture requests from any website and send them to Postman Client.

Installs

700K+

Rating

★ 4.3

Window Resizer icon

Window Resizer

Ionuț Botizan

Resize the browser window to emulate various screen resolutions.

Installs

700K+

Rating

★ 4.3