Case converter
Switches text between upper, lower, title, and sentence case.
- Free
- No sign-up needed to try
- Runs in your browser
Sign in to use this tool
Case converter is free once you're signed in — one quick account unlocks every tool on Alux Tools, no payment, ever.
How this works
Pick a case style and the text below is rewritten instantly using simple string rules — no server round trip.
Nothing you type is sent to a server.
Frequently asked questions
Is the case converter free?
Yes. Case converter is free to use, with no software to install and no hidden fees.
Is my data uploaded anywhere?
No. This tool runs entirely in your browser, so what you enter or select never leaves your device.
Does it work on phones and tablets?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.