Text Case Converter Online
Change text to uppercase, lowercase, title case, or sentence case.
Add text, choose capitalization, then copy the result.
A clear result starts here
Run the tool to see your output here.
Try the example to explore how it works.What to know about this tool
Title case capitalizes every space-separated word. Names, acronyms, and language-specific casing may need manual correction. Up to 1 MB and 20,000 lines per input.
Instructions and examples
From input to output
- Paste text or load TXT.
- Choose Title case, Sentence case, UPPERCASE or lowercase.
- Select Convert case, review the output and copy or download TXT.
Settings and result behavior
- Title case capitalizes each whitespace-separated word while preserving original spaces, tabs and paragraph breaks.
- Sentence case lowercases the source, then capitalizes recognized sentence starts. Uppercase/lowercase also change acronyms and proper names.
A worked example
- Input
a small change makes a BIG difference
- Settings
- Title case.
- Expected result
A Small Change Makes A Big Difference
Supported input and limits
Type or paste text, or use the TXT import control for a UTF-8 text file. PDF and Word documents cannot be imported into this text workspace.
Title case capitalizes every space-separated word. Names, acronyms, and language-specific casing may need manual correction. Up to 1 MB and 20,000 lines per input.
If the result is unexpected
- If a brand name or acronym loses its intended spelling, restore it manually.
- All modes retain paragraph breaks and spacing. Case changes can expand some Unicode characters; review names and language-specific casing.
Check before using the result
Check names, abbreviations and punctuation. This is a mechanical capitalization transform, not an editorial style checker.
Report a problem with this tool. Include a nonsensitive example and your browser details.