Does the tool handle special characters?

Yes. Special characters, numbers, and punctuation are preserved during case conversion. Only letter characters are changed.

Can I convert between camelCase and snake_case?

Yes. The tool supports converting between all common naming conventions including camelCase, snake_case, kebab-case, PascalCase, and more.

Is there a character limit?

There is no fixed limit. The tool runs in your browser and handles large blocks of text without issues on modern devices.

How to Convert Text Case

3 min readDeveloper

Changing text case is a frequent need when working with data, code, or content. This guide shows you how to convert text between uppercase, lowercase, title case, camelCase, snake_case, and other formats using a free browser tool.

Quick Steps

1
Open String Utilities
Go to the String Utilities tool on Toolin.
2
Paste your text
Enter the text to transform.
3
Select case format
Choose the target case conversion.
4
Copy converted text
Copy the result from the output.

String Utilities

Case formatting, slugify, and text metrics

Open Tool

Step-by-Step: Convert Text Case

Open the String Utilities tool

Navigate to the String Utilities tool on Toolin.

Paste your text

Enter or paste the text you want to transform.

Select the target case

Choose from uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case, or other formats.

Copy the result

The text is converted instantly. Copy it to your clipboard.

Available Case Conversions

UPPERCASE: Converts all letters to capitals.
lowercase: Converts all letters to lowercase.
Title Case: Capitalizes the first letter of each word.
Sentence case: Capitalizes the first letter of each sentence.
camelCase: Joins words with capital letters, common in JavaScript.
snake_case: Joins words with underscores, common in Python and databases.

When to Convert Text Case

Developers frequently convert between naming conventions when moving data between systems. A database column in snake_case needs to become camelCase in JavaScript. CSV headers may need title case for presentation. Content writers need sentence case or title case for headings. The String Utilities tool handles all these conversions without the need for manual editing.

Try String Utilities Now — Free, No Sign-up

Frequently Asked Questions

Does the tool handle special characters?: Yes. Special characters, numbers, and punctuation are preserved during case conversion. Only letter characters are changed.
Can I convert between camelCase and snake_case?: Yes. The tool supports converting between all common naming conventions including camelCase, snake_case, kebab-case, PascalCase, and more.
Is there a character limit?: There is no fixed limit. The tool runs in your browser and handles large blocks of text without issues on modern devices.