Case Converter
Paste your text, then click a button to instantly convert it to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case or kebab-case — the box updates in place so you can keep refining it.
How to Use the Case Converter
- Paste or type your text into the box.
- Click any case button — UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case or kebab-case — to transform the text instantly in place.
- Keep clicking different buttons to try different styles; each click re-converts whatever is currently in the box.
- Click "Copy Text" to copy the result to your clipboard, or "Clear" to start over.
Why Use This Tool?
Is my text uploaded anywhere?
No. Every conversion runs locally in your browser using JavaScript — nothing you type or paste is sent to a server, logged, or stored. You can safely convert drafts, internal notes, or client copy without any of it leaving your device.
What's the difference between camelCase, PascalCase, snake_case and kebab-case?
These four are naming conventions used constantly in programming and web development. camelCase (e.g. firstName) starts lowercase and capitalizes each following word — common for JavaScript variables. PascalCase (e.g. FirstName) capitalizes every word including the first — common for class names and components. snake_case (e.g. first_name) joins words with underscores — common in Python and database columns. kebab-case (e.g. first-name) joins words with hyphens — common in URLs and CSS class names. This tool converts any text into all four instantly, so you don't have to retype variable names by hand.
Does Title Case handle small words like "a" and "the" correctly?
This tool capitalizes the first letter of every word for simplicity and predictability. Some editorial style guides (like AP or Chicago) keep short connecting words such as "a," "the," "of," and "and" lowercase in headlines. If your style guide requires that nuance, use this tool as a fast first pass and then manually lowercase the specific small words your guide requires.
Who uses a case converter?
Writers and editors formatting headlines and titles consistently, developers renaming variables or converting between naming conventions when switching languages or frameworks, and anyone cleaning up text that was typed in ALL CAPS or with inconsistent capitalization all reach for a case converter to save time over manual retyping.