Uppercase and Lowercase Converter
Convert text to uppercase, lowercase, alternating case, capitalize and title case quickly.
Advanced settings
How to use the Uppercase and Lowercase Converter?
1. Type or paste the text in the left field.
2. Click one of the quick actions above — UPPERCASE, Reverse, lowercase, aLtErNaTiNg or Capitalize Words.
3. The result appears instantly in the right field. Use Copy to save to your clipboard.
How does it work?
All conversions happen right in your browser. Nothing is sent to servers — your data never leaves your device, guaranteeing privacy, speed and full functionality even with an unstable connection. Advanced settings allow you to protect URLs, emails, emojis and numbers during processing.
Frequently asked questions
What can I do with the Uppercase and Lowercase Converter?
You can convert text to uppercase, lowercase, alternating case, reverse, capitalize words or sentences, title case, remove accents, extra spaces and much more.
Does 1FazTudo send my text to a server?
No. Everything happens in your browser. Your text never leaves your device.
Can I preserve URLs and emails during conversion?
Yes. In advanced settings, you can check "Don't alter URLs", "Don't alter emails", "Don't alter numbers", "Don't alter emojis", "Don't alter hashtags" and "Don't alter @mentions" to protect these elements during any processing.
Is the Uppercase and Lowercase Converter free?
Yes, it is 100% free and requires no sign-up. Use it as many times as you want.
Can I use it on my phone?
Yes. The site works perfectly on phones, tablets and computers.