Typed a whole heading in caps lock by accident? Need snake_case for code or Title Case for a document? Our free online case converter transforms your text between cases instantly: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case. Paste your text into the tool above and convert it with a single click. It’s one of those tiny utilities you end up using far more often than you’d expect, fixing email subject lines, formatting spreadsheet headers, or cleaning up text copied from PDFs that arrived in ALL CAPS.
It’s completely free, needs no sign-up, and runs 100% in your browser, your text never leaves your device. Writers fix headings, developers format variable names, and students clean up pasted quotes with it every day. Combine it with our word counter to check length after converting, or browse all free tools in the Savozi collection.
Key features
- Every common case: UPPERCASE, lowercase, Title Case, and Sentence case in one click.
- Developer-friendly: camelCase, PascalCase, snake_case, and kebab-case for code and URLs.
- Full paragraphs handled: converts everything you paste at once, no line-by-line work.
- Smart Title Case: keeps small words like “and” and “the” lowercase, the way style guides want.
- One-click copy: grab the converted result instantly and paste it anywhere.
- Private and unlimited: no sign-up, no limits, and your text stays on your device.
- Playful styles too: aLtErNaTiNg and iNVERSE case for social posts and memes.
- Whitespace cleanup: optional tidying of extra spaces while your text converts.
- Hashtag formatting: turn phrases into #CamelCase hashtags for social posts.
- Slug maker: convert titles into clean kebab-case URL slugs in one click.
- Undo-friendly: convert back and forth freely, your original text is never lost mid-session.
- Batch friendly: convert entire documents at once instead of fixing lines one by one.
How to use
- Paste or type your text into the input box in the tool above.
- Click the case style you want, Title Case, snake_case, or any of the others.
- Your text converts instantly, even if it’s a full multi-paragraph document.
- Review the result and try another style if you change your mind.
- Copy the converted text with one click and paste it wherever you need it.
Private by design
The Case Converter processes your text entirely in your browser. Documents, code, and messages are never uploaded to a server, stored, or seen by anyone else. There is no account to create and no history kept, close the tab and your text is gone for good. Free forever, and private by design. Developers pasting proprietary code snippets and writers handling embargoed copy can convert without a second thought. It’s the fastest way to fix formatting without retyping a single word.