Case Converter
Convert text to UPPER, lower or Title Case.
How to use
Choose or drop your file
Pick options and start
Download the result
About Case Converter
Case Converter changes text between UPPERCASE, lowercase, Title Case, Sentence case and more with one click — with correct handling of language-specific letters such as Turkish İ and ı.
- 100% free
- Files stay on your device
- No sign-up
- No watermark
- Works on mobile
Frequently asked questions
Does it handle Turkish İ and ı?
Yes. Letters are converted according to the selected language.
Can I copy the result?
Yes, with one click.
Is Case Converter free?
Yes. Case Converter is completely free, needs no account and never adds a watermark to your files.
Are my files safe?
Yes. Your file is processed inside your browser on your own device; it is never uploaded or stored.
Can I use it on my phone?
Yes. Case Converter works in every modern browser on iPhone and Android, no app needed.
Is it safe to use Case Converter online?
Yes. Case Converter processes your file on your own device, inside your browser. The file is never uploaded, stored or shared, and the connection is encrypted with HTTPS.
Does Case Converter work on iPhone or Android without an app?
Yes. It works in Safari, Chrome and every modern browser — no app, no account.