Convert text case instantly. Transform your text to uppercase, lowercase, title case, sentence case, and more with our free online case converter. Perfect for writers, developers, and anyone who needs to quickly change text formatting.
Copy-pasting text from PDFs, emails, or legacy systems often leaves you with formatting that's all wrong — everything in CAPS, random capitalization, or inconsistent casing. Instead of retyping, paste it here and convert to whatever case you need in one click. We support nine different formats, from standard Title Case to developer-friendly snake_case and camelCase.
How It Works
Paste Your Text
Enter or paste the text you want to convert into the text area above.
Choose a Case
Click any of the case transformation buttons to instantly convert your text.
Copy or Download
Copy the converted text to your clipboard or download it as a text file.
Features
Sentence, lower, UPPER, Capitalized, aLtErNaTiNg, Title, InVeRsE
Transform text with a single click
All processing happens in your browser
Easily export your converted text
Track characters and word count
Convert unlimited text for free
When to Use Case Conversion
- ✓Writing headlines and titles for articles
- ✓Formatting code variable names
- ✓Fixing text with incorrect capitalization
- ✓Creating social media posts and captions
- ✓Standardizing data entries and lists
- ✓Preparing text for formal documents
Case Types Explained
| Case Type | Example | Best For |
|---|---|---|
| Sentence case | The quick brown fox. | Normal text, paragraphs |
| lowercase | the quick brown fox | URLs, usernames, code |
| UPPERCASE | THE QUICK BROWN FOX | Headlines, emphasis, acronyms |
| Capitalized Case | The Quick Brown Fox | Names, simple titles |
| Title Case | The Quick Brown Fox | Article titles, book names |
| aLtErNaTiNg | tHe QuIcK bRoWn FoX | Memes, stylized text |