Structured Data Testing Tool
Malware Detected
This extension has been flagged as potentially malicious.
Extension Delisted
This extension is no longer available in the official store. Delisted on 2025-09-17.
Extension Actions
This extension will test structured data on a webpage
Marking up your page for better SEO listings?
This extension will check structured data / rich snippets on a webpage regardless of whether it is online, on an intranet or behind a passworded page.
You can test microdata, Schema, RDFa and JSON-LD are valid.
Also, view your structured data within Google structured data testing tool.
New in November 2016: We've just added the function to export data to the clipboard!
New in December 2016: We're highlighting errors and warnings in red and orange respectively.
New in March 2017: Fixed bugs related to Micro data JSON format changes in the Google Structured Data Testing Tool.
Latest reviews
- Firuzan Cebioglu
- Love this extention! Very convenient to use!
- Patrick Texon
- Really good, helped me a lot
- Jocelyn Dawson
- insanely helpful
- Abdullahil Shafi Md
- Very good tool for testing structured data without leaving the page. One things to mention, it is not showing the "item" property value of breadcrumb list items. Regardless of the value set, it always show empty.
- Leo Leoncio
- awesome for local dev
- Sahir Kumar
- Awesome
- Rik Mertens
- This has become a must-have extension for my Chrome toolbox.
- Arman Download
- good 👍
- Boris Kwemo
- Excellent extension! Thank you for your work
- Joe Sebastian
- Excellent tool!!!!
- Justin The Baker
- goood
- Alex Rodrigues
- Ferramenta muito útil para o trabalho de otimização semântica baseada em dados estruturados.
- Reza Daliri Rad
- very helpful
- Cubiq dev
- Do the job!
- Martin Williams
- Really useful!
- Christopher Kuhstoss
- Very useful for batch analysis of structured data for several URLs
- Rahul Thakur
- That Very Important Extension ..... Awesome... love it
- Javier Pelayo
- Realmente útil e imprescindible ¡¡100% recomendada!!
- Davinder Singh
- Easy to use, time saver. Highly recommended :-)
- Ahmed Shaaban Elgendy
- very good
- Ruhul Kuddus
- I have found this extension so helpful and I am using it from a long time
- Richard Rodriguez
- Great tool !!! I just love it. You have the Schema testing tool all the time at your fingertips with any website. It works every single time and it is 100% accurate. Thank you very much to the developers!
- Mike Moore
- Works great for testing markup on any web page!
- Phan Vũ
- Sài khá tốt, loading khá nhanh và chính xác
- Sunil Panchani
- very useful... great tool
- Bogdan garcea iulian
- Very good.
- Markus Moglich
- Great tool for debugging structured data! Is there any plans to support Google Rich Results Test?
- Daniel Mathews
- Clear + Useful
- Sergio Clements
- Muy buena!
- ShomaEA
- Best tool to test structured data. Thank you!
- Dor Vega
- It Works
- Om Rudhru
- Love this extension!
- Patrick Toulze
- Thanks for this great extension.
- Arturo Hernández González
- Sin palabras! Ahorra mucho tiempo! y ya sabe..... time is $ . La recomiendo!
- Mailon Luis Valdes
- working great, , love it!
- Dario Curvino
- Great, you can save a lot of time!
- gyan singh
- Great tool !!!. Simple and Easy to use.
- Anwar Rachman
- great tools
- Uppuluri Sairam
- Yes Its helpful tool
- Andrew K
- Removing one star because it doesn't seem to show embedded items, only top level.
- David Maina
- Exceptionally awesome tool for testing Structured Data for a website such as https://mykibanda.co.ke/
- Wilco Zuidema
- Very helpfull tool!
- Martin Larsson
- Work perfect!
- Shaq Esparon
- Very useful when trying to find issues with data snippets
- Akhilesh Chourey
- Awesome extension and very easy to use and helpful
- Simon Cooper
- I use it in all my SEO work. It's quick and helpfull.
- Eric Sod
- Just added it. Looks good so far. Not necessarily what you need when you're developing the schema json, but seems very helpful for checking.
- Planerium
- Very nice! Clear, simple. Love it! Thanks
- Abdallah Amien
- Great tool, easy and accurate
- Saeid Salmani
- Awesome Extension. Every seo manager has to have it installed