duti

duti is a command-line utility capable of setting default applications for various document types on macOS, using Apple's Uniform Type Identifiers (UTI).

• Project Homepage [EN]
  • Repository

• duti [EN] @ Homebrew Formula

Documentation

• man 1 'duti' [EN]

Syntax

duti [-d UTI] [-l UTI] [FILE]
duti -s BUNDLE-ID UTI|URL-SCHEME [ROLE]
duti -x EXTENSION

Parameters

-d UTI

Display the default handler for a Uniform Type Identifier (UTI).

-l UTI

Display all handlers for a Uniform Type Identifier (UTI).

-s

Set the handler from data provided on the command line.

-x EXTENSION

Print information describing the default application for file EXTENSION.

Examples

Set the default handler for a file extension

duti -s 'org.videolan.vlc' '.mp4' 'all'

Print the default application for a given file extension

duti -x '.mp4'

Output:

VLC.app
/Applications/VLC.app
org.videolan.vlc

Get the default handler for a UTI

duti -d 'public.mpeg-4'

Output:

org.videolan.vlc

Get all handlers for a UTI

duti -l 'public.mpeg-4'

Output:

com.apple.QuickTimePlayerX
com.apple.system-library
org.videolan.vlc

Get the handler ID using AppleScript

osascript -e 'id of app "VLC"'

Output:

org.videolan.vlc