Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more. Instant, free, and private — everything runs in your browser.
0 characters
100% browser-based
Runs locally in this tab
No upload required
Your files never leave this device
Nothing is stored
Close the tab and the input is gone
Instant results
No queue and no server wait
Switch a heading, a paragraph, or a whole document between the cases people actually use. UPPERCASE for emphasis or constants, lowercase to neutralize a shouty paste, Title Case for headlines, and sentence case when you want normal prose again. The output updates instantly so you can compare without leaving the page.
Developers get the identifier styles that show up in code reviews: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and dot.case. Paste a label or a file name and convert it instead of renaming by hand. Alternating and inverse case are there when you need a throwaway effect, not a programming convention.
Change the mode and the same input is transformed again. That is faster than a chain of separate “to uppercase” and “to snake case” sites. The converter keeps your original text in the input so you can try Title Case, then kebab-case, without hunting through undo history.
Marketing copy, unreleased names, and code identifiers never leave the browser. There is no upload, no account, and no quota. Use it as a scratch pad, then copy the result into your editor or CMS.
Drop a heading, a paragraph, or an identifier into the input. You can convert a few words or a longer block — there is no file upload.
Choose UPPER, lower, Title Case, sentence case, or a programming style such as camelCase, snake_case, or kebab-case. The output updates immediately.
Switch modes without re-pasting. The original stays in the input so you can try Title Case for a headline, then snake_case for a variable name.
Copy the result when it matches the style you need. Clear the workspace when you are done; nothing is stored on a server.
Straight answers on privacy, limits, and how the workspace behaves.
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