Convert text between uppercase, lowercase, title case, sentence case, and more. Free online text case transformation tool. No signup required.
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Retyping a sentence just to fix its capitalization wastes time and invites typos. Our free case converter online transforms any text between nine formats the moment you click one — from plain UPPERCASE and lowercase to polished Title Case and Sentence case — with the result updating live as you edit.
Writers and editors reach for the title case converter to headline-format blog posts, while the sentence case tool cleans up text that arrived in ALL CAPS. Developers get the case styles they actually use day to day: camelCase and PascalCase for variables and components, snake_case and kebab-case for database columns, file names, and CSS classes, plus a tOGGLE cASE option that inverts every letter. Each conversion shows a live character and word count, you can load text straight from a .txt file, and one click copies the result to your clipboard.
All processing happens locally in your browser — nothing is uploaded, so even sensitive copy stays on your device. Combine it with the Word Counter to track length, the Slug Generator to build URL-safe handles, or the Duplicate Line Remover to tidy up lists as you reformat them.
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