Turns page-width text into a more readable column.With just one keystroke, instantly transform a page with text that stretches across the entire screen into a manageable column for easier reading.
Ctrl+Shift+K to columnify.
Ctrl+Shift+L to decolumnify.
There are other apps that include this feature, but because they also include a lot of other stuff, they have a clunky interface and you end up doing a lot more work and seeing more needless popups than you need for a feature like this.
This is instant: boom, the page is a column. No forms to fill out, no passwords.