Skip to content
Branch: master
Find file History
Type Name Latest commit message Commit time
Failed to load latest commit information.
doc Don't force bold/italic font on combo/menu texts Apr 4, 2019
kvantummanager Translated using Weblate (Portuguese (Brazil)) Apr 12, 2019
kvantumpreview Translated using Weblate (French) Mar 7, 2019
screenshots Updated the screenshots Aug 15, 2018
style Corrected a typo in the previous commit Apr 20, 2019
themes Covered a special case of applying the blur effect Apr 20, 2019
COPYING first commit Aug 8, 2014
ChangeLog Made Kvantum compilable with Qt < 5.12 again Apr 17, 2019
INSTALL Added a key for removing Kvantum shadows Mar 30, 2019
TRANSLATION Localization support Jun 4, 2017 Added extra themes. Aug 12, 2015



Kvantum (by Pedram Pourang, a.k.a. Tsu Jan is an SVG-based theme engine for Qt, tuned to KDE and LXQt, with an emphasis on elegance, usability and practicality. Its homepage is

Kvantum has a default dark theme, which is inspired by the default theme of Enlightenment. Creation of realistic themes like that for KDE was my first reason to make Kvantum but it goes far beyond its default theme: you could make themes with very different looks and feels for it, whether they be photorealistic or cartoonish, 3D or flat, embellished or minimalistic, or something in between, and Kvantum will let you control almost every aspect of Qt widgets.

Kvantum also comes with extra themes that are installed as root with Qt5 installation and can be selected and activated by using Kvantum Manager.

Please see INSTALL for instructions on compilation, installation and usage!

For instructions on how to change configuration or make new themes, read the files Theme-Config and Theme-Making in the "doc" folder!


The core idea of Kvantum, namely using of SVG images for drawing Qt widgets, is taken from QuantumStyle (not developed anymore but continued as QSvgStyle at

Some code parts are adapted from:

QtCurve (

Oxygen (

Oxygen-Transparent (

Bespin (

My sincerest thanks go to all users whose bug reports, feature requests and suggestions have been crucial for improving Kvantum.

Some Screenshots:

Default KvAmbience KvBeige KvGray KvFlatLight KvCurves3d KvCurvesLight KvGnomish KvOxygen KvSimplicityDark KvSimplicityTurquoise KvAdapta

You can’t perform that action at this time.