What is the best schema genrator tool?

Hi Friends,
5 Best Free Schema Markup Generators

1. Schema Markup Generator by Merkle
2. Google's Structured Data Helper & Data Highlighter
3. Schema App's JSON-LD Generator
4. MicrodataGenerator.com's Schema.org Generator
5. JSON-LD Generator by Hall Analysis

A Schema.org structured data generator that supports the creation of JSON-LD ... to test your newly created markup with Google's Structured Data Testing Tool.

Schema Markup Generator by Merkle.
Google's Structured Data Helper & Data Highlighter.
Schema App's JSON-LD Generator.
MicrodataGenerator.com's Schema.org Generator.
JSON-LD Generator by Hall Analysis.

JSON-LD Schema Markup Generator
This generator can be used to create, build, or generate structured data markup in the form of JSON-LD that can be injected into the head or footer of your site to improve visibility to the search engines.

Schema Pro.
Google's Structured Data Markup Helper and Data Highlighter.
Schema Markup Generator by Merkle.
MicrodataGenerator.com's Schema.org Generator.
JSON-LD Generator by Hall Analysis.
JSON-LD Schema Markup Generator by J.D.Flynn.
Schema Markup Generator by RankRanger.

Schema Markup Generator (JSON-LD) by Merkle
Google's Structured Data Markup Helper and Data Highlighter
Schema Markup Generator by Merkle
MicrodataGenerator.com's Schema.org Generator