How do you use a macro to convert plain URLs to Markdown links?
qayiWi[<Esc>ea](<Esc>pa)<Esc>q
Record a macro that yanks the URL, wraps the text before it in brackets, and appends the URL in parentheses for Markdown link format.
All Vim Tricks
How do you use a macro to convert single quotes to double quotes?
qaf'r"q
Record a macro that finds the next single quote with f' and replaces it with a double quote using r".
How do you use a macro to convert spaces in words to underscores?
qaf r_q
Record a macro that finds the next space with f and replaces it with an underscore using r_.
How do you record a macro to convert 4-space indentation to 2-space?
qa:s/^ / /\njq
Record a macro that substitutes leading 4-space indentation with 2 spaces on each line.
How do you record a macro to clean log file lines by removing timestamps?
qa0d2Wjq
Record a macro that goes to the start of the line, deletes the first two words (timestamp fields), then moves down.
How do you record a macro to convert a list of items into an array literal?
qaI"<Esc>A",<Esc>jq
Record a macro that wraps each line in quotes and adds a trailing comma.
How do you use a macro to rename a variable throughout a function?
qa*Ncgn<C-r>=newName\n<Esc>q
Record a macro using * to search for the word under cursor, cgn to change the next match, type the new name.
How do you record a macro to convert camelCase to snake_case?
qa/[A-Z]\ni_<Esc>l~q
Record a macro that finds the next uppercase letter, inserts an underscore before it, and lowercases it.
How do you use a macro to align variable assignments?
qa0f=40i <Esc>040lDjq
Record a macro that inserts spaces before = to pad to column 40, then trims excess.
How do you use a macro to append a comma to every line?
qaA,<Esc>jq
Record a macro that moves to end of line with A, types a comma, escapes to normal mode, and moves down.
How do you append additional keystrokes to an existing macro?
qA...q
Use uppercase register letter qA to append to macro a instead of overwriting.
How do you use a macro to prepend line numbers to each line?
qaI1. <Esc>jq
Start at line 1, record a macro that inserts 1.
How do I select text inside angle brackets?
vi<
The vi).
How do I toggle the case of all characters in a visual selection?
~ (in visual mode)
In visual mode, pressing ~ toggles the case of every character in the selection.
How do I create a fold from a visual selection?
zf (in visual mode)
In visual mode, pressing zf creates a manual fold from the selected lines.
How do I move selected lines down in the file?
:'<,'>m'>+1
The :m command with the visual range moves selected lines.
How do I quickly jump to any location with two characters?
s{char}{char} (vim-sneak)
vim-sneak provides a motion that lets you jump to any location specified by two characters.
How do I get a start screen with recent files and sessions?
vim-startify plugin
vim-startify provides a configurable start screen when you open Vim without a file.
How do I see available key mappings as I type?
vim-which-key plugin
vim-which-key displays a popup showing available key bindings as you type a prefix key.
How do I visualize and navigate Vim's undo tree?
:UndotreeToggle
The undotree plugin provides a visual tree representation of Vim's undo history.