Dolphin (file manager)

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"Dolphin (software)" redirects here. For mobile browser, see Dolphin Browser. For Nintendo emulator, see Dolphin (emulator).
Dolphin FileManager.png
Dolphin, showing several image thumbnails on Plasma Desktop 4.5
Original author(s) Peter Penz[1]
Developer(s) KDE
Initial release 2006; 9 years ago (2006)
Stable release 4.14.3 / November 11, 2014; 4 months ago (2014-11-11)
Written in C++ (Qt)
Operating system Unix-like, Mac OS X, Windows[2]
Available in multiple languages[which?]
Type File browser
License GNU General Public License v2

Dolphin is a free and open source file manager included in the KDE Software Compilation. It is the default file manager in the current version, KDE Software Compilation 4,[3] and can be optionally installed on K Desktop Environment 3. Although replaced as the default file manager for KDE SC 4, Konqueror is still the default web browser, and can be used as an alternative file manager for power users.

Under previous K Desktop Environment versions, Konqueror had served both as the default file manager and web browser. However, for many years users have been critical of Konqueror as being too complex for simple file navigation. As a response, the two functions were divided into two separate applications. Under KDE SC 4, Dolphin was streamlined for browsing files, while sharing as much code as possible with Konqueror. Konqueror continues to be developed primarily as a web browser.[4]

As of July 2014, Yakuake, Konsole, Dolphin, Kate and KDE Telepathy are in the process of being ported to KDE Frameworks 5.[5]

Dolphin and K Desktop Environment 3[edit]

As development of the KDE SC 4 version was underway, the K Desktop Environment 3 version of Dolphin was discontinued. However, the program continues to be unofficially available for K Desktop Environment 3 under the slightly modified name of “D3lphin”. D3lphin contains many bugfixes and a new sidebar, but is no longer maintained.[6]


  • Breadcrumb navigation bar – each part of the URL is clickable
  • 3 view modes (Icons, Details and Compact), remembered for each folder
  • File Previews
  • Split views (for copying and moving files)
  • Network transparency – using KDE’s KIO slaves
  • Undo/Redo functionality
  • Tabbed navigation
  • Renaming of a variable number of selected items in one step
  • NEPOMUK integration (including search, tagging, rating and commenting files)
  • Places bar which also integrates with the Kickoff launcher menu's “Computer” tab
  • Sorting and grouping of files by name, size, type and others


  1. ^ Peter Penz (2012-06-26). "Dolphin 2.1". Retrieved 2013-09-03. 
  2. ^ "Projects/KDE on Windows/Installation". KDE TechBase. KDE Website. 7 December 2009. Retrieved 29 January 2010. 
  3. ^ "4.0 Released". KDE. 2008-01-11. Retrieved 2013-09-03. 
  4. ^ "(KDE) Revision 633622". The KDE Source Repository. KDE Website. 14 February 2007. Retrieved 29 January 2010. 
  5. ^ "KDE SC 4.14 wird 4er-Reihe abschließen" (in German). 2014-07-10. 
  6. ^ "D3lphin – marratwiki". 17 December 2007. Archived from the original on 2007-09-29. Retrieved 29 January 2010. 

External links[edit]