Text Case Converter - Change Case Online

Convert text between uppercase, lowercase, title case, sentence case, and more. Fast, private text transformation in your browser. Works offline.

Input Text

Characters: 0 | Words: 0

Select Case Format

Output

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Frequently Asked Questions

Uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, toggle case, and capitalize words.

Title case capitalizes the first letter of each word. Small words like 'the', 'and', 'of' may be lowercased depending on style guides.

Yes. All processing happens in your browser. No text is sent to any server.

Yes. The converter properly handles international characters, accented letters, and Unicode text.

camelCase starts with lowercase (myVariableName). PascalCase starts with uppercase (MyClassName). Both are common in programming.

snake_case is popular in Python, Ruby, and databases (user_id, first_name). kebab-case is common in URLs and CSS class names (my-button, main-content).

The tool processes instantly as you change options. Use the 'Use as Input' button to swap output back to input for further conversions.

CONSTANT_CASE (ALL_CAPS_WITH_UNDERSCORES) is commonly used for constants in programming languages like JavaScript, Python, and C to distinguish them from variables.

No hard limit exists, but very large texts (over 1MB) may experience slower processing in your browser depending on device performance.

The tool processes all text in the input field at once. For batch file processing, you'll need to copy/paste each file's content separately.

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