LD+JSON Extractor
Developer Tools
Extract ld+json scripts from the current webpage
Users
473
Rating
5.0
Reviews
1
7D Growth
+12|2.6%
Stable signalNo paid features detectedHigh-risk permissions
JSON-LD Checker
Check and validate JSON-LD structured data on webpages
Users1KCurrent public install base
Rating4.7Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
5 assetsJSON-LD Checker Media preview
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7-day rating change
Start
4.67
Latest
4.67
7-day rating change
0.00
2026年7月17日2026年7月22日
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00%30-day growthNo data
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Version2.2.0
ManifestV3
Size172KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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Must-Have Browser Extension for SEO & Structured Data: JSON-LD Checker
If you frequently work with JSON-LD on web pages, troubleshoot Schema markup, or need instant validation after implementing structured data — this JSON-LD Checker extension is a real time-saver.
💡 One-Sentence Summary
Directly "extract + validate + visualize" JSON-LD structured data from any webpage in your browser's side panel; plus AI-powered issue explanation and even zero-to-draft JSON-LD generation.
✨ Most Practical Features
🧲 Auto Detection: Automatically identifies JSON-LD presence on page load, with toolbar icon status
Reviews
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Store average score4.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.7Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 4.7. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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This plugin is a lifesaver! As someone who works with SEO and structured data, I used to waste time checking things on external websites. Now I can see all the results and errors with one click, right in my browser. It tells you exactly what's wrong and how to fix it. The interface is clean and simple, no bloat. Seriously recommend it to anyone working on websites or SEO – it's a tiny but mighty tool!
A very practical tool, available as a plugin, that allows you to quickly check the JSON-LD of any webpage. It has a user-friendly interface and is highly recommended.
Does a nice job of efficiently extracting the json-ld from a website and show it an a readable manner. The improvement feature doesn't really work though... it shows everything in Chinese.