Case Converter

What is this?

The Case Converter changes the letter casing of any text in one click. It supports UPPERCASE, lowercase, Title Case, Sentence case, capitalized words, toggle case and alternating case — all processed instantly in your browser.

How it works

Paste your text and pick a case style. The tool rewrites the letters in real time using intelligent rules — for example, Title Case keeps small connecting words (a, the, of) lowercase, while Sentence case capitalizes the first letter after each period.

Use cases

• Fix text that was accidentally typed with Caps Lock on.
• Format headlines and titles for blogs, essays and slides.
• Normalize inconsistent casing before importing data.
• Create stylized alternating-case text for social posts.

FAQ

Is my text uploaded to a server?

No. All conversions run entirely in your browser, so your text never leaves your device.

What is the difference between Title Case and Capitalize Each Word?

Title Case follows editorial rules and keeps minor words lowercase, while Capitalize Each Word capitalizes the first letter of every word.

Is there a character limit?

There is no hard limit. The tool handles large documents smoothly since everything is processed locally.