Uppercase to Lowercase & Case Converter
Convert text case instantly between UPPERCASE, lowercase, Sentence case, Title Case, Capitalize Each Word, and Toggle case.
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About Uppercase to Lowercase & Case Converter
A complete client-side case converter. Transform uppercase to lowercase, title case, sentence case, and inverted toggle case in your browser with character and word statistics.
Key Features & Performance
Supported File Formats
Privacy & Data Security
All file conversions, OCR extractions, and calculations execute directly in your browser memory with zero server uploads. Your data never leaves your computer.
Frequently Asked Questions
Is my text processed locally?
Yes, all text transformations happen 100% inside your browser JavaScript. Nothing is sent to any server.
What is the difference between Sentence Case and Title Case?
Sentence Case capitalizes only the first letter of each sentence, while Title Case capitalizes every major word in a headline.
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