Retyping text just to fix its capitalization is a waste of time. A case converter transforms it instantly, and once you know the different cases, you'll reach for them constantly, whether you're formatting a heading or naming a variable.
The cases explained
| Case | Example | Use for |
|---|---|---|
| UPPERCASE | HELLO WORLD | Emphasis, headers |
| lowercase | hello world | Cleaning input |
| Title Case | Hello World | Titles, headings |
| Sentence case | Hello world | Body text |
| camelCase | helloWorld | JS variables |
| snake_case | hello_world | Python, databases |
| kebab-case | hello-world | URLs, CSS classes |
How to convert case (step by step)
- Open the Case Converter and paste your text.
- Click a case button.
- Copy the result.
Developer tip: camelCase, snake_case and kebab-case are for code and identifiers, pick the one your language or framework prefers.
Common uses
- Fixing text pasted in ALL CAPS.
- Formatting titles consistently.
- Converting labels into code-friendly variable names.
Frequently asked questions
How do I change text to uppercase or lowercase?
Paste your text, then click UPPERCASE or lowercase. The text is transformed instantly and you can copy it.
What is Title Case vs Sentence case?
Title Case Capitalizes The First Letter Of Each Word; Sentence case only capitalizes the first letter of each sentence.
Can it make camelCase or snake_case?
Yes, it supports camelCase, snake_case and kebab-case, which are useful for code and variable names.
Is my text kept private?
Completely. The conversion runs locally in your browser with no uploads.