브라우저에서

Turkish upper and lower case

istanbul → İSTANBUL. i and ı stay distinct. Conversion stays in the browser.

  1. Paste the text Type in the box or open a .txt file. It stays on this device.
  2. Pick upper, lower or title i → İ, I → ı. English converters get this wrong.
  3. Copy or download Copy the summary or the result. Download a .txt if you want.

Does the text go to you?

No. The job finishes in the browser. The text is not uploaded.

Why does i become İ?

That is the Turkish rule. istanbul → İSTANBUL. An English converter makes IstanbuL, which is wrong.

How long can the text be?

Up to 400,000 characters. Shorten longer text so the browser does not lock up.

Does it work offline?

After the page loads once, the job does not need the internet. The text still stays with you.