Case Converter
Transform text between uppercase, lowercase, title case, sentence case, and more. Instant conversion with one click.
Case Types Explained
Sentence case
Capitalizes the first letter of each sentence.
This is an example. Here is another.
lowercase
Converts all letters to lowercase.
this is an example
UPPERCASE
Converts all letters to uppercase.
THIS IS AN EXAMPLE
Title Case
Capitalizes the first letter of each major word.
This Is an Example
snake_case
Replaces spaces with underscores, all lowercase.
this_is_an_example
camelCase
No spaces, first word lowercase, rest capitalized.
thisIsAnExample
Common Use Cases
Developers
Convert variable names between camelCase, snake_case, and kebab-case.
Writers
Quickly format headlines, titles, and body text correctly.
Data Entry
Standardize text formatting across spreadsheets and databases.
Social Media
Create eye-catching text with alternating or inverse case.
Frequently Asked Questions
What is title case?
Title case capitalizes the first letter of each major word, excluding small words like "a", "an", "the", "and", "or", "in", etc., unless they start the title.
When should I use snake_case vs camelCase?
Snake_case is commonly used in Python, Ruby, and database naming. CamelCase is preferred in JavaScript, Java, and C# for variable and function names.
Is my text stored on your servers?
No. All text conversion happens entirely in your browser using JavaScript. Your text never leaves your device.