Quick Answer: This free case converter changes your text between small letters and CAPITAL letters in one click — plus Title Case, Sentence case, aLtErNaTiNg case and iNVERSE case. Paste your text, click the case you want, and copy the result. Nothing is uploaded; it all runs in your browser.
Case Converter (Small to Capital & Capital to Small)
How to Convert Small Letters to Capital (and Back)
- Type or paste your text into the box above.
- Click Small to CAPITAL to make everything uppercase, or CAPITAL to small for lowercase.
- Or pick Title Case, Sentence case, aLtErNaTiNg or iNVERSE.
- Click Copy text and paste it anywhere.
Case Types Explained
| Case type | Example (from “hello world”) |
|---|---|
| Small to CAPITAL (UPPERCASE) | HELLO WORLD |
| CAPITAL to small (lowercase) | hello world |
| Title Case | Hello World |
| Sentence case | Hello world |
| aLtErNaTiNg case | hElLo wOrLd |
| iNVERSE case | hELLO wORLD (swaps each letter) |
When to Use a Case Converter
- Fix Caps Lock mistakes — instantly turn ALL CAPS text back into normal case.
- Headings & titles — apply Title Case to headlines and blog titles.
- Forms & data — make names or codes all uppercase or all lowercase.
- Social media — create eye-catching aLtErNaTiNg text for posts.
Is It Safe and Free?
Yes. This case converter runs entirely in your browser. Your text is never uploaded, stored, or shared, and the tool is completely free with no sign-up.
Frequently Asked Questions
How do I change small letters to capital letters?
Paste your text into the box and click “Small to CAPITAL”. Every letter is converted to uppercase instantly, and you can then copy the result.
How do I convert capital letters to small letters?
Type or paste your text and click “CAPITAL to small”. This converts everything to lowercase. It is the fastest way to fix text typed with Caps Lock on.
What is Title Case?
Title Case capitalises the first letter of every word, like “The Quick Brown Fox”. It is commonly used for headings and titles.
What is the difference between Sentence case and Title Case?
Sentence case only capitalises the first letter of each sentence (“Hello world. How are you.”), while Title Case capitalises the first letter of every word (“Hello World How Are You”).
Does this tool change my original formatting?
It only changes letter case. Spaces, punctuation, numbers and line breaks stay exactly where they were.
Is my text uploaded anywhere?
No. Everything happens locally in your browser, so your text is private and never sent to any server.
Conclusion
Whether you need to turn small letters into CAPITALS, fix an all-caps mistake, or apply Title Case to a heading, this free case converter does it in one click. Paste your text above, choose a case, and copy the result.
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