Today I Learned

System wide vim-like tab switching in Mac Os

Mac Os allows you to natively map any menu bar command to a keybind of your choice. We can use it to map switching between tabs to ergonomic vim-like cmd+j/k instead of ctrl+tab/ctrl+shift+tab system-wide.

Start by locating tab switching commands in the menu bar: Chrome menu bar command on Mac Os The mapping works by matching the exact command’s name, so you need to note them carefully.
For switching tabs, in my experience, every application uses the “Select Next/Previous Tab” command, except for Chrome, which uses “Select next/previous tab” (i.e., lowercase), and Safari, which uses “Show Next/Previous Tab” ¯ \_(ツ)_/¯

Next, go to the System Preferences > Keyboard > Shortcuts > App Shortcuts, click on the plus sign, and enter the name of the command which you noted previously: Adding a keybing

After adding all the keybinds, you will end up with something like that: Fully configured keybinds

From now on, you should be able to use a way more ergonomic cmd+j/k to switch between tabs in most applications - and if a particular application uses a different system in place of the tabs, you know how to map it to the same keybind so that you can make better use of your muscle memory.