Case Converter — Free Online Tool
Instantly convert text between upper, lower, title, sentence, camel, snake, and kebab case.
About Case Converter
The Case Converter transforms your text into any letter case in a single click. Whether you need a headline in Title Case, a clean lowercase string, or a programmer-friendly camelCase or snake_case identifier, the tool handles it instantly without retyping a word.
It supports eight popular case styles and works entirely in your browser, so there are no uploads and no limits. That makes it perfect for writers fixing accidental caps lock, developers formatting variable names, and marketers polishing headlines.
How to Use Case Converter
- Type or paste your text into the input box.
- Click the case style you want, such as UPPERCASE, Title Case, or snake_case.
- Review the converted text in the result box below.
- Use 'Copy Result' to copy it or 'Clear' to start fresh.
Key Features
Eight case styles including camelCase, snake_case, and kebab-case
One-click conversion with instant results
Separate input and output boxes for easy comparison
Handles long blocks of text and multiple lines
100% private, browser-based processing
Copy and clear buttons for a smooth workflow
Frequently Asked Questions
What case styles can I convert to?
You can convert to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and aLtErNaTiNg case with a single click each.
What is the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of every word, while Sentence case capitalizes only the first letter of each sentence and lowercases the rest.
When should I use camelCase or snake_case?
camelCase and snake_case are common in programming for variable and function names. camelCase joins words with capitals, while snake_case joins them with underscores.
Is my text processed privately?
Yes. Conversions run entirely in your browser using JavaScript, so your text is never uploaded or stored on any server.