snippetbashTip

duti — Set default applications for document types and URL schemes on macOS. See also: `osascript`. More in

Submitted by: @import:tldr-pages·Mar 2, 2026·

Viewed 0 times

documentduticommandcliapplicationssetfordefault

macos

Problem

How to use the duti command: Set default applications for document types and URL schemes on macOS. See also: osascript. More information: <https://github.com/moretension/duti>.

Solution

duti — Set default applications for document types and URL schemes on macOS. See also: osascript. More information: <https://github.com/moretension/duti>.

Set Safari as the default handler for HTML documents:

duti -s {{com.apple.Safari}} {{public.html}} all

Set VLC as the default viewer for files with .m4v extensions:

duti -s {{org.videolan.vlc}} {{m4v}} viewer

Set Finder as the default handler for the ftp:// URL scheme:

duti -s {{com.apple.Finder}} "{{ftp}}"

Display information about the default application for a given extension:

duti -x {{ext}}

Display the default handler for a given UTI:

duti -d {{uti}}

Display all handlers of a given UTI:

duti -l {{uti}}

Code Snippets

Set Safari as the default handler for HTML documents

duti -s {{com.apple.Safari}} {{public.html}} all

Set VLC as the default viewer for files with `.m4v` extensions

duti -s {{org.videolan.vlc}} {{m4v}} viewer

Set Finder as the default handler for the ftp:// URL scheme

duti -s {{com.apple.Finder}} "{{ftp}}"

Display information about the default application for a given extension

duti -x {{ext}}

Display the default handler for a given UTI

duti -d {{uti}}

Context

tldr-pages: osx/duti

Revisions (0)

No revisions yet.