Python String lower() Method

Last Updated : 31 Dec 2025

Python lower() method returns a copy of the string after converting all the characters into lowercase.

Syntax of Python String lower() Method

It has the following syntax:

Parameters

No parameter.

Return

It returns a lowercase string.

Different Examples for Python String lower() Method

Let's see some examples of lower() method to understand it's functionalities.

Example 1

See a simple example in which string is converting into lowercase.

Output:

Example 2

String can be varried and has any case of letters. The method will return a new string of lowercase.

Output:

welcome to javatpoint, www.javatpoint.com

Example 3

We can test it whether it returning lowercase by using if statement. See the example below.

Output: