Convert a String to Uppercase Online

Convert strings to uppercase for Java, Python, C#, C++, and Go

Select Language

Input

Preserve non-alphabetic characters

Output

About Convert a String to Uppercase Online Tool

What is the Convert a String to Uppercase Online Tool?

This tool allows you to convert any text string into uppercase letters. It's particularly useful for programmers, data processors, and anyone working with text manipulation tasks.

Functions this tool can perform:

Convert any text string to uppercase
Option to preserve non-alphabetic characters
Support for various programming languages (Java, Python, C#, C++, Go)
Generate code samples for the selected programming language
Handle Unicode characters
Provide educational examples of string to uppercase conversion

Sample 1

Input: "Hello, World!"

Output: "HELLO, WORLD!"

Sample 2

Input: "OpenAI GPT-4"

Output: "OPENAI GPT-4"

Sample 3

Input: "Convert to uppercase"

Output: "CONVERT TO UPPERCASE"

Sample 4

Input: "1234 abcd"

Output: "1234 ABCD"

Sample 5

Input: "Mixed Case Example"

Output: "MIXED CASE EXAMPLE"

Sample 6

Input: "special chars: !@#$%^&*()"

Output: "SPECIAL CHARS: !@#$%^&*()"