TLDR; There are loads of structured data generators and tools. Always test your markup with 3 different validators, as each one brings up different errors and warnings.
There are TONS of structured data tools out there, some of them are great, some of them not so much.
This post will be updated often as I find more great tools that will help you write, learn, test and implement structured data on your website.
Test, test and test again. I always test all of our structured data with 3 different tools, to make sure it validates in each one, as every tool has slightly different criteria.
Kelly Sheppard
Take a look at the best structured data tools below:
Testing / Validation Tools
There are three main structured data testers that I use:
If you want to appear for rich results / SERP features, then you need to make sure that your code validates with Google’s Rich Results tester. If there are any errors, then you’ll need to fix them, as Google is very unlikely to use your code if it does not validate.
Schema.org is great for initial testing, just to make sure that everything is ok.
Classy Schema is one of the best testing tools, as not only does it pick up little things that Schema.org’s tester misses, it also has an amazing visualisation tool which shows you how everything is all connected together. This is fantastic for visualising entities and how your structured data fits together with each other.
Writing Tools
Writing structured data can be difficult and also tiresome.
There’s some automatic writing tools out there, but none of them even come close to the quality of being able to write it yourself. Some tools that are able to write basic schema include:
Google’s Structured Data Markup Helper – An oldie but a goodie
Dentsu Structured Data Generator – JSON-LD schema markup generator
Rank Ranger Schema Markup Generator – choose your type and it will create you a template
Visualisation Tools
I use Classy Schema every single day as well as Ziggy’s Chrome extension (see below). These are these tools you could consider:
SEO Schema Visualiser by Ziggy Shtrosberg (Chrome Extension)
JSON-LD Playground – This creates relationship diagrams for you.
Other Tools
Here’s some other tools that don’t fit into the categories above:
Structured Data Linter – structured data validation tool
SEO Site Checkup – structured data validation tool
If you find any other great structured data tools, or you have a tool that you’d like me to try out, please get in touch.
Written by Kelly Sheppard
Kelly Sheppard is a search engine optimisation professional, author of the book “The Structured Data Guide for Beginners” and the founder of The Structured Data Company.
