wezterm/docs/config/lua/keyassignment/DecreaseFontSize.md

DecreaseFontSize

Decreases the font size of the current window by 10%

local wezterm = require 'wezterm'

return {
  keys = {
    { key = '-', mods = 'CTRL', action = wezterm.action.DecreaseFontSize },
  },
}