CodeConvert AI - Convert code with a click of a button

CodeConvert

How to use this tool?

This free online converter lets you convert code from JavaScript to TypeScript in a click of a button. To use this converter, take the following steps -

Type or paste your JavaScript code in the input box.
Click the convert button.
The resulting TypeScript code from the conversion will be displayed in the output box.

Key differences between JavaScript and TypeScript

Characteristic	JavaScript	TypeScript
Syntax	JavaScript has a more flexible and forgiving syntax compared to TypeScript.	TypeScript has a stricter syntax compared to JavaScript, with the addition of type annotations.
Paradigm	JavaScript is a multi-paradigm language that supports both object-oriented and functional programming.	TypeScript is a superset of JavaScript and supports the same paradigms as JavaScript, with the addition of static typing.
Typing	JavaScript is a dynamically typed language, which means that types are determined at runtime.	TypeScript is a statically typed language, which means that types are determined at compile time.
Performance	JavaScript is generally slower than TypeScript due to its dynamic typing and lack of type checking.	TypeScript is generally faster than JavaScript due to its static typing and type checking.
Libraries and frameworks	JavaScript has a vast collection of libraries and frameworks, including React, Angular, and Vue.	TypeScript can use the same libraries and frameworks as JavaScript, with the added benefit of type checking and better IDE support.
Community and support	JavaScript has a large and active community with plenty of resources and support available.	TypeScript has a growing community with increasing support and resources available.
Learning curve	JavaScript has a relatively low learning curve due to its forgiving syntax and dynamic typing.	TypeScript has a steeper learning curve compared to JavaScript due to its stricter syntax and static typing.

Try our ready to use converters using the links below