Case Converter
Switch text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case. Free.
Scan to open on your phone
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Switch text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case. Free.
How to use Case Converter
- Paste or type your contentThe result appears as you type — there is no submit button.
- Set “Convert to”
- Read and copy the resultThe output updates live and the copy button takes it in one click.
Nothing you enter leaves your device
All of the work happens inside your browser. Whatever you type is never packaged up and sent to a server, and no request this page makes carries it.
That makes it safe for contract amounts, personal details and internal documents you would rather not hand to a third party — close the tab and it is gone.
What this tool does not do
Case Converter only does what a browser can do on its own — it talks to no backend service. So it keeps no history for you and syncs nothing across devices; if you need a record, copy or download the result.
It is also not a substitute for professional judgement. For legal, medical or tax decisions, treat the output as a starting point rather than a final answer.
Frequently Asked Questions
- Which cases can I convert between?
- UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE.
- What is the difference between title case and sentence case?
- Title Case capitalises the first letter of every word, while sentence case only capitalises the first letter of each sentence.
- Can I convert programming variable names?
- Yes. Paste an identifier and switch between camelCase, snake_case and kebab-case without touching the words.