Text Case Converter
About Text Case Converter
Transform text into the exact case you need—UPPERCASE, lowercase, Title Case, Sentence case, and more. Paste your content and apply conversions instantly to standardize formatting for documents, emails, headlines, and code comments. The editor preserves punctuation and spacing while offering fast, accurate results free of typographical errors. Perfect for content creators, students, and developers who need consistent casing across platforms. Everything runs locally in your browser, so your text never leaves your device.
❓ Frequently Asked Questions
Which cases are supported?
UPPERCASE, lowercase, Title Case, Sentence case, and others common in content and code.
Do you preserve punctuation and spacing?
Yes. We transform letter casing while keeping punctuation, numbers, and whitespace intact.
Can I convert large text?
Yes. The tool is optimized for long articles and code snippets.
Is my text private?
Everything runs locally in your browser—no uploads, no tracking.
How do I handle headlines?
Use Title Case for English headlines; we apply sensible rules that avoid capitalizing short prepositions in the middle.
Can I undo a conversion?
Use your browser’s undo (Ctrl/Cmd+Z) or keep a copy of the original text before converting.