Free Online Case Converter — Transform Text Instantly
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and PascalCase. 100% free, no signup, all processing in your browser.
Instant Conversion
Transform text in real-time with a single click. No waiting, no loading.
100% Private
Everything runs in your browser. Your text is never uploaded to any server. We collect zero data.
Unicode Support
Works with English, Chinese, Japanese, Korean, accented characters, and more — full Unicode support.
Mobile Friendly
Convert text on any device — desktop, tablet, or mobile. No app download needed.
How to Convert Text Case
- 1Paste your text — Type or paste text into the input box above. You can paste multiple lines at once.
- 2Click a conversion button — Choose from UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, or PascalCase.
- 3Copy the result — Click the copy button to copy the converted text to your clipboard. Instant and easy.
Case Types Explained
Case Conversion Guides
How to Convert Uppercase to Lowercase
5 methods compared — online tools, OS features, Word, programming, extensions.
Guide · 4 minTitle Case Rules — When to Capitalize
Learn standard rules for Title Case, including which words to capitalize.
Comparison · 6 mincamelCase vs snake_case
When to use each naming convention in programming and data formats.
Frequently Asked Questions
What is case conversion?
Case conversion changes the capitalization of text — for example, converting "HELLO" to "hello" (lowercase), "Hello" (Title Case), or "helloWorld" (camelCase).
Is CaseShift free?
Yes, CaseShift is completely free with no signup required. There are no hidden fees or usage limits.
Is my text safe?
Absolutely. All processing happens in your browser — your text is never uploaded to any server. We collect zero data.
What case types are supported?
CaseShift supports UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and PascalCase conversions.
Does it work on mobile?
Yes! CaseShift is fully responsive and works on any device with a web browser — desktop, tablet, or mobile.
Does it support non-English characters?
Yes! CaseShift supports Unicode, so it works with English, Chinese, Japanese, Korean, accented Latin characters, and more.