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Case Converter

Case Converter

Convert text between uppercase, lowercase, title case, sentence case, camelCase, and more.

Converted text

Configure inputs and run the tool

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About this Case Converter

The Case Converter is a free online text transformation tool that converts text between eight different casing formats including uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, and kebab-case. Programmers use case converters to format variable names, API keys, and database fields according to coding conventions, while writers use them to fix capitalization in headlines and documents. This online case changer handles all conversions instantly in your browser.

How to use the Case Converter

  1. 1 Enter your text into the Text input field.
  2. 2 Select the target case format from the "Convert to" dropdown — choose from uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, or kebab-case.
  3. 3 Click the Run button to apply the case conversion.
  4. 4 Copy the converted text from the output area.

Frequently Asked Questions

What is the difference between camelCase and PascalCase?
In camelCase, the first word starts with a lowercase letter and each subsequent word starts with an uppercase letter (e.g., "myVariableName"). In PascalCase, every word starts with an uppercase letter (e.g., "MyClassName"). PascalCase is typically used for class names while camelCase is used for variable and function names.
What is snake_case used for?
Snake_case uses underscores between words with all lowercase letters (e.g., "user_profile_name"). It is commonly used in Python for variable and function names, in database column names, and in configuration file keys across many programming languages.
Can I convert a whole document at once?
Yes, you can paste a large block of text and the case converter will process it all at once. The text length limit is generous, making it suitable for documents, articles, or code files.
Does title case capitalize every word?
Title case capitalizes the first letter of every significant word while making the rest lowercase. Articles (a, an, the), conjunctions (and, but, or), and short prepositions (in, on, at) are typically not capitalized in standard title case rules, depending on the style guide being followed.

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