Uppercase and Lowercase Converter
What is Uppercase and Lowercase Converter?
This simple tool switches your text between UPPERCASE and lowercase with a single click. It is useful for fixing text that was typed with caps lock on, or for making headings stand out in all capitals. The tool is free, fast, and needs no signup.
How to use
- Paste or type your text into the box.
- Click UPPERCASE to capitalize every letter.
- Click lowercase to make every letter small.
- Use the Copy text button to copy the result.
Features
- One-click conversion to UPPERCASE or lowercase.
- Handles long text without any length limit.
- Instant results with no page reload.
- Works on any device: phone, tablet, or computer.
- No signup, no ads in the way, completely free.
Frequently asked questions
How do I convert lowercase to uppercase online?
Paste your text into the box above and click the UPPERCASE button. Every letter is capitalized instantly, and you can copy the result.
Is this converter free?
Yes. It is free to use with no signup and no limits on text length.
What happens to numbers and punctuation?
Numbers, spaces, and punctuation are left unchanged. Only letters switch between upper and lower case.
Can I fix text typed with caps lock on?
Yes. If you typed a whole paragraph with caps lock on by accident, paste it here and click lowercase to fix it in one click.
Does my text get uploaded anywhere?
No. The conversion happens in your browser with JavaScript, so your text never leaves your device.
What is the difference from the full Text Converter?
This page is the simple two-button version for upper and lower case only. The Text Converter page has ten case styles, including Title Case, camelCase, and snake_case.