Aren't you tired of rewriting the titles of your posts pasted in uppercase?
Plugin Tag: capitalize
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Auto Capitalize & UPPERCASE Names and Addresses
Automatically formats customer names & addresses in WordPress and WooCommerce with multiple modes, exclusions, and bulk conversion.
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Capitalize Titles and Headings
Properly capitalize your English post titles, page titles and heading blocks after you type it.
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To Title Case
Automatically convert post titles on-the-fly, using Kroc Camen's port of John Gruber's title case.