About: Flowblade is a multitrack non-linear video editor to compose movies from video clips, audio clips and graphics files.
  Fossies Dox: flowblade-  ("unofficial" and yet experimental doxygen-generated source code documentation)  

flowblade Documentation

Some Fossies usage hints in advance:

  1. To see the Doxygen generated documentation please click on one of the items in the steelblue colored "quick index" bar above or use the side panel at the left which displays a hierarchical tree-like index structure and is adjustable in width.
  2. If you want to search for something by keyword rather than browse for it you can use the client side search facility (using Javascript and DHTML) that provides live searching, i.e. the search results are presented and adapted as you type in the Search input field at the top right.
  3. Doxygen doesn't incorporate all member files but just a definable subset (basically the main project source code files that are written in a supported language). So to search and browse all member files you may visit the Fossies flowblade- contents page and use the Fossies standard member browsing features (also with source code highlighting and additionally with optional code folding).



INSTALLING: see here.


  1. Introduction
  2. Features
  3. Releases
  4. Installing Flowblade
  5. Docs
  6. Screenshot
  7. Forum, Webpage
  8. Contact


Flowblade is a multitrack non-linear video editor for Linux released under GPL 3 license.

With Flowblade Movie Editor you can compose movies from video clips, audio clips and graphics files. Clips can be cut at the desired frames, filters can be added to clips, and you can create multilayer composite images using compositor objects.

Flowblade offers a configurable workflow - toolset, its order, default tool and certain timeline behaviours are user settable.



  • 11 editing tools, 9 of which can be selected to the working set
  • 4 methods to insert / overwrite / append clips on the timeline
  • Drag'n'Drop clips on the timeline
  • Clip and compositor parenting with other clips
  • Max. 9 combined video and audio tracks available

Image compositing:

  • 10 compositors. Mix, zoom, move and rotate source video with keyframed animation tools
  • 19 blends. Stardand image blend modes like Add, Hardlight and Overlay are available
  • 40+ pattern wipes.

Image and audio filtering:

  • 50+ image filters: color correction, image effects, distorts, alpha manipulation, blur, edge detection, motion effects, freeze frame, etc.
  • 30+ audio filters: keyframed volume mixing, echo, reverb, distort, etc.

Supported editable media types:

  • Most common video and audio formats, depends on installed MLT/FFMPEG codecs
  • JPEG, PNG, TGA, TIFF graphics file types
  • SVG vector graphics
  • Numbered frame sequences

Output encoding:

  • Most common video and audio formats, depends on installed MLT/FFMPEG codecs
  • User can define rendering by setting FFMpeg args individually


Latest release: Flowblade Movie Editor 2.8 was released on February 2021.

Next release: Flowblade Movie Editor 2.10 is targeted to be release in June 2021.

Installing Flowblade

Installing instructions are available here.



Known Issues


Release notes

Creating a translation


System Requirements


Screenshot 2.8 neutral theme

Screenshot 2.8 grey theme

Screenshot 2.0 blue theme

These are in the repository /docs folder.

Forum, Webpage

For questions and discussion on Flowblade we have a User Forum.

The project webpage is here.


Use the Issues tab to give bug reports or to make feature requests.

If needed, contact the project lead for additional information: janne.liljeblad@gmail.com