Convert text to UPPERCASE

This tool converts text to UPPERCASE. It provides flexible options so you can convert the entire text, convert only words matching specified substring(s), convert all except words containing specified substring(s), or apply a custom format to the converted text. Simply enter your text and select the conversion mode that suits your needs.

Input Text

Converted Text

Conversion Modes:

Convert Entire Text to UPPERCASE
Converts every character in the input text to UPPERCASE.

Convert Only Words Matching Specified Substrings to UPPERCASE
Converts only the words that include the specified substring(s) to UPPERCASE. Enter a comma‑separated list (e.g., apple, test).

Convert All Except Words Containing Specified Substrings to UPPERCASE
Converts every word to UPPERCASE except those that contain the specified substring(s). Enter a comma‑separated list (e.g., the, and).

Convert Text with Custom Format
Converts the entire text to UPPERCASE and then formats it using a custom format. Use {text} as a placeholder for the converted text.

Examples:

Convert Entire Text to UPPERCASE

Every character in the text is converted to UPPERCASE.

Before:

Hello world! This is a Test.

After:

HELLO WORLD! THIS IS A TEST.

Convert Only Words Matching Specified Substrings to UPPERCASE

Only words that contain the specified substring (e.g., "test") are converted to UPPERCASE.

Before:

This is a test. Testing is fun.

After (specifying "test"):

This is a TEST. TESTing is fun.

Convert All Except Words Containing Specified Substrings to UPPERCASE

Converts every word to UPPERCASE except those that contain the specified substring (e.g., "and").

Before:

Bread and butter go well together.

After (excluding "and"):

BREAD and BUTTER GO WELL TOGETHER.

Convert Text with Custom Format

Converts the entire text to UPPERCASE and then applies a custom format.

Before:

Hello world!

After (format "[Converted: {text}]"):

[Converted: HELLO WORLD!]