Case Converter
Switch text between uppercase, lowercase, title case, sentence case and more.
A case converter lets you switch text between uppercase, lowercase, title case, sentence case, capitalized and alternating case in one click, without retyping.
How to Use the Case Converter
- Paste your text. Enter the content to convert.
- Choose a case. Pick uppercase, lowercase, title, sentence, capitalize or alternating.
- Copy the result. Grab the converted text.
This tool processes your input locally in your browser. Nothing is uploaded.
What Is Case Converter?
A case converter switches text between different capitalization styles instantly, so you never have to retype or fix case manually.
What is a case converter?
It is a tool that reformats text into a chosen capitalization style: uppercase, lowercase, title case, sentence case, capitalized words or alternating case.
Which case should you use?
Use lowercase for code and URLs, title case for headings, sentence case for body text, and uppercase sparingly for emphasis. The right choice depends on the context and your style guide.
Key Features
- Six case styles
- One-click conversion
- Local processing
Examples
- "hello world" → "HELLO WORLD", "Hello World", "Hello world", "Hello World", "hElLo WoRlD".
Common Use Cases
- Formatting content
- Fixing caps-lock text
- Preparing data
Tips & Best Practices
- For mixed needs, run multiple conversions and pick the best.
Limitations
- Automated casing cannot always detect proper nouns.