🔤 Change Letter Casing
Convert text between uppercase, lowercase, title case, sentence case, or toggle case.
How to Use This Tool
Change Letter Casing converts your text between five different capitalization styles. Paste your text and click the casing option you need — the converted result appears instantly in the output panel.
Available Casing Options
- UPPERCASE — Converts every letter to capital letters. Useful for headings, acronyms, or emphasis.
- lowercase — Converts every letter to lowercase. Ideal for email addresses, URLs, or casual text.
- Title Case — Capitalizes the first letter of every word. Great for headlines, book titles, and article headings.
- Sentence case — Capitalizes only the first letter of each sentence. The standard for normal writing.
- tOGGLE cASE — Reverses the case of every letter. Useful for fixing accidental CAPS LOCK text.
Common Use Cases
- Fixing text typed with CAPS LOCK accidentally left on
- Formatting titles and headings for articles or blog posts
- Standardizing text data for databases or spreadsheets
- Preparing product descriptions for e-commerce listings
- Converting all-caps legal or technical text to readable sentence case