Case Converter

Case Converter

Convert text between upper, lower, title and sentence case instantly.

About the Case Converter

Our free case converter transforms text between UPPER CASE, lower case, Title Case, Sentence case and aLtErNaTiNg case in one click. Fix accidentally caps-locked paragraphs, format headings consistently, or style social posts — no retyping needed.

How to Use the Case Converter

1. Paste or type your text into the box.
2. Click the case style you want — UPPER CASE, lower case, Title Case, Sentence case or aLtErNaTiNg.
3. Hit Copy to grab the converted text.

Common Use Cases

• Fix CAPS LOCK accidents: convert a whole paragraph back to normal in one click.
• Headings & titles: Title Case gives headlines a professional look.
• Code & data: normalize strings to upper or lower case for consistency.
• Social media: alternating case for playful, meme-style text.

Frequently Asked Questions

What is Title Case?

Title Case capitalizes the first letter of each word — "The Quick Brown Fox". Ideal for headings and titles.

What is Sentence case?

Sentence case capitalizes only the first letter of each sentence, like normal writing.

Is the case converter free?

Yes — unlimited conversions, no signup, and everything runs locally in your browser.