UI Themer

UI Themer lets customize icons, fonts, sounds and pixel density in Sailfish OS. Graphical User Interface for Theme pack support.

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  • Icon theming.
  • Icon overlay.
  • Font theming.
  • Sound theming.
  • Change device pixel ratio.
  • Change DPI for Alien Dalvik.
  • Change icon size.
  • Recovery tools.

Usage guide

A usage guide is available here.

Create custom theme packs

Documentation on how to create theme packs available here.


Languages supported:

Languages supported

Request a new language or contribute to existing languages on the Transifex project page.


Builds for armv7hl and i486 available on OpenRepos.

Custom builds

You can change the defaults of UI Themer in your custom build. More info here.


Roadmap and features will be tracked on the Trello dashboard.


  • Partially based on Icon pack support GUI.
  • App icon by Free Vectors.
  • Iconography by Retinaicons.
  • Keyboard navigation based on Piepmatz by Sebastian Wolf.
  • Thanks to Dax89 for helping with C++ and QML code, this app would not exist without him.
  • Thanks to Eugenio_g7 for helping with the One-click restore service.
  • Thanks to LQS for helping with the Android DPI on the Xperia XA2.
  • Thanks to all the testers for being brave and patient.