Convert Text to UPPER CASE Online
Rewrite text as sentence case, upper case, lower case, title case, a slug, or alternating case.
🔒 Processed entirely in your browser — nothing you enter here is ever uploaded.
The result appears on this page after you run the tool. Nothing you enter is uploaded.
Result
About this tool
This page opens the case converter with “UPPER CASE” already selected — paste your text, run it and copy the result.
UPPERCASE turns every letter into capitals — handy for headings, form fields that demand caps, or undoing an accidental Caps Lock paragraph the other way round.
Need a different transformation? The full tool also does sentence case, title case, slugs and more — everything runs locally in your browser and your text never leaves it.
Example. Slug turns Hello, World! into hello-world. Sentence case turns HELLO WORLD. second line into Hello world. Second line. Alternating case turns Hello into hElLo. Title case turns hello world into Hello World.
Limit. Sentence and title case only capitalize a–z and а-яіїєґ. Slug deletes other letters instead of transliterating them. An empty input leaves the previous output in place.