Sozi – zooming presentation editor and player

Sozi is a zooming presentation editor and player based on SVG and JavaScript.

Unlike most presentation applications, a Sozi document is not organized as a slideshow, but rather as a poster where the content of your presentation can be freely laid out. Playing such a presentation consists in a series of translations, zooms and rotations that allow to focus on the elements you want to show.

Sozi can be run either as a standalone desktop application, or as a hosted web application. The desktop application is based on Electron.

Sozi is based on open standards.

Features include:

  • Presenter console – the editor creates an additional HTML file that contains the presenter console. This file can be opened in a web browser which shows a presenter view with the previous, current, and next frames, navigation buttons, and notes. It also opens the presentation automatically in a separate window.
  • Embed Sozi presentations in HTML documents.
  • Preview transitions in the presentation editor.
  • Embed presentations in video and audio.
  • Hide the controls of the embedded video and audio documents.
  • Keyboard shortcuts are customizable.
  • Full-screen mode.
  • Move/crop/rotate/zoom layers.
  • Reset layer geometry: clears all transformations that have been applied to the selected layers.
  • Preferences pane where users can edit the settings of the editor.
  • Add layers.
  • Add notes.
  • Sozi-export – a set of command-line tools that you can use to convert a Sozi presentation into a PDF document, a video, or a PowerPoint presentation.
  • Internationalization support – including Chinese, Danish, French, Lithuanian, Polish, Portuguese (Brazilian), and Russian.

Support: Documentation, Forums, Twitter
Developer: Guillaume Savaton and contributors
License: Mozilla Public License 2.0


Sozi is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.

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