How to Change or Switch the Case of Characters in Vim

Total time: 3 minutes

Updated: November 19th, 2020

Need to change the case of characters to all caps or all lowercase? This is easily done using Vim. This guide will show you how to change the case of characters in Vim.

tl;dr

Toggle "Hello" to "hELLO" with g~. Uppercase "Hello" to "HELLO" with gU. Lowercase "Hello" to "hello" with gu.

vim

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Before changing case, you'll need to select the text you're interest in.

To do this, start on the first character you want to toggle, then enter visual mode by typing v. Use the directional keys (h, j, k, l) to select the rest of the text you want to change.