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Convert text to UPPERCASE, lowercase, Title Case, Sentence case, Capitalized or aLtErNaTiNg with one click. Free online case converter, no signup, instant and private.
Paste your text, then click the case you want: UPPERCASE, lowercase, Title Case, Sentence case, Capitalized or aLtErNaTiNg. The converted text appears instantly — copy it with one tap.
Content creators use Title Case for video titles and headlines, Sentence case for descriptions, and UPPERCASE for thumbnail emphasis words.
YouTube titles in Title Case tend to look more professional than all-lowercase, while thumbnails often mix UPPERCASE punch words ("SHOCKING", "FREE") with the visual. Descriptions and scripts read best in normal sentence case.
Whatever you choose, stay consistent across your channel — consistency is part of branding.
Yes — unlimited conversions, no signup.
Title Case capitalizes the first letter of every word except small words in some style guides; our Capitalized mode capitalizes every word. For headlines, Title Case usually looks best.
Yes — conversion happens entirely in your browser. Nothing is uploaded.
Sparingly — for emphasis in thumbnails or short headings. Whole paragraphs in uppercase are hard to read.