JSON2Apex Engine is a convenient online tool which can convert a JSON string into an Apex class with ease
* It allows three ways to add JSON string for conversion to Apex code
* Load from your local machine.
* Copy & Paste directly in the left box.
* Type in manually.
* It has a “validate” feature where it will create Apex class to corresponding JSON and populates data to Apex class to check its validity for provided JSON.
* It can directly Deploy Apex class to your own orgs (Developer, Productions etc.).
* It is a very secure engine as no data is transmitted over the Internet and your credentials will never save in the system for security purpose.