Thymeleaf

A java templating engine
Commonly used to generate HTML views for web apps
Can use outside of web apps
For web apps thymeleaf has .html extension

Thymeleaf Processing

Processed on the server

Thymeleaf VS JSP

JSP is suitable only for web applications
Thymeleaf can be used both for web and non web applications

Use Cases

Non Web

Email Templates
CSV Templates
PDF Templates

Web

Web View Templates

Template Location

In Springboot thymeleaf is placed in src/main/resources/templates

Features

Looping & Conditionals
CSS & JS Integration
Template layouts & fragments

Resources

Thymeleaf Documentation