The easiest way to change text case. Convert to Sentence case, UPPERCASE, lowercase, and Capitalized Case instantly.
Leaving Caps Lock on by accident is a common mistake. Instead of retyping your entire document, you can use our Convert Case Tool to fix it instantly. Whether you need to normalize text for a database, format a blog title, or just clean up a messy email, this tool handles it all.
This tool is ideal for:
| Scenario | Input | Action | Output |
|---|---|---|---|
| Fixing Caps Lock | i ACCIDENTALLY LEFT CAPS ON. | Sentence case | I accidentally left caps on. |
| Blog Titles | how to write a great post | Capitalized Case | How To Write A Great Post |
| Data Normalization | John@Example.COM | lower case | john@example.com |
Ensure your text looks polished and readable.
Manually changing the case of hundreds of words is tedious. This tool processes thousands of words instantly, allowing you to focus on content rather than formatting.
Correct formatting errors in milliseconds.
Choose the perfect case for your context.
Writers use it for headlines and sentences. Programmers use it to normalize user inputs or format constants. It's a universal tool for anyone working with text.
Our tool capitalizes the first letter of sentences. However, since it doesn't understand context (it's not AI), it might lowercase proper nouns (like names) if they aren't at the start of a sentence. We recommend proofreading after conversion.
Yes. All conversions happen locally in your browser using JavaScript. We never see, store, or upload your data.
Inverse case is great if you accidentally typed a whole paragraph with Caps Lock on while holding Shift for the first letters. It flips everything back to normal.