See the full key-to-character mapping for a language-specific keyboard

keyboardlanguageunicode

I'd like to know which character is output from which key, including with modifiers like ⌥ ⌘ ⇧ ⌃, including the character and its Unicode number.

Only the primary characters appear on my physical keyboard, but some less-known ones are produced with the modifiers.

This can actually be seen under System Preferences->Keyboard->Input Sources; Select language and then press modifier keys. However, I cannot screenshot the image of the keyboard with a modifier because the screenshot key-combination overrides the modifier key; and in any case this is a tiny image of the keyboard, whereas I would like a precise listing in text form.

Is this in a configuration file somewhere on my Macbook (2017 15 inch; OS 10.15.7), or can I output it with a certain command?

[Edit]: In addition to the answer below, using Ukelele, note this code which processes Ukelele output into a searcable document.

Best Answer

The Ukelele app suggested in this answer can give you a printout of the keyboard layout for every combination of modifier keys in the form of keyboard diagrams (not a list unfortunately). The resulting diagram looks like this:

enter image description here

Follow below steps to get a diagram:

  1. Install and open Ukelele, you're greeted by the main window: main Ukelele window
  2. Open System Preferences → Keyboard → Input Sources and select the input source for which you want an overview. Alternatively select it in the menubar:
    enter image description here
  3. In Ukelele go to File → New From Current Input Source, this creates a copy of the keyboard layout:
    enter image description here
  4. Double click on it to open the keyboard layout in the main window.
  5. Press the Print button in the top right corner:
    enter image description here
  6. Actually print the overview or save it as a PDF (through the PDF dropdown in the lower middle of the print dialog).
  7. Repeat step 2 to 6 for any other input sources you need.
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