Uppercase and Lowercase Converter
Convert text to uppercase, lowercase or capitalize.
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About the Text Case Converter
The Text Case Converter transforms any text between UPPERCASE, lowercase, Title Case, Sentence case, and other formats in one click. It saves you from retyping when a document arrives in the wrong case, when a form demands a specific format, or when you need consistent headings across a document or website.
It is a favorite of writers fixing capitalization, developers normalizing strings, and marketers preparing headlines. Like every Pockly tool, the conversion happens locally in your browser — your text is never sent anywhere.
How to use it
- Paste or type your text into the input box.
- Click the case you want: UPPERCASE, lowercase, Title Case, Sentence case, and more.
- The converted text appears immediately.
- Copy the result and paste it wherever you need it.
Frequently asked questions
What is Title Case?
Title Case capitalizes the first letter of each word — the style commonly used for headlines and book titles, e.g. "The Quick Brown Fox".
What is Sentence case?
Sentence case capitalizes only the first letter of each sentence, leaving the rest lowercase — the style of normal prose.
Does it work with accents and other alphabets?
Yes. The converter uses Unicode-aware transformations, so accented characters (á, ñ, ü) and non-Latin alphabets are handled correctly.
Is my text uploaded to a server?
No. All conversions run in your browser. Nothing you paste here is transmitted or stored.