Kdenlive 25.04.0
Kdenlive is an acronym for KDE Non-Linear Video Editor. It works on GNU/Linux, Windows and BSD. Through the MLT framework, Kdenlive integrates many plugin effects for video and sound processing or creation. Furthermore Kdenlive brings a powerful titling tool, a DVD authoring (menus) solution, and can then be used as a complete studio for video creation.
Kdenlive supports all of the formats supported by FFmpeg or libav (such as QuickTime, AVI, WMV, MPEG, and Flash Video, among others), and also supports 4:3 and 16:9 aspect ratios for both PAL, NTSC and various HD standards, including HDV and AVCHD. Video can also be exported to DV devices, or written to a DVD with chapters and a simple menu.
Video editing features:
- Multi-track editing with a timeline and supports an unlimited number of video and audio tracks.
- A built-in title editor and tools to create, move, crop and delete video clips, audio clips, text clips and image clips.
- Ability to add custom effects and transitions.
- A wide range of effects and transitions. Audio signal processing capabilities include normalization, phase and pitch shifting, limiting, volume adjustment, reverb and equalization filters as well as others. Visual effects include options for masking, blue-screen, distortions, rotations, colour tools, blurring, obscuring and others.
- Configurable keyboard shortcuts and interface layouts.
- Rendering is done using a separate non-blocking process so it can be stopped, paused and restarted.
- Kdenlive also provides a script called the Kdenlive Builder Wizard (KBW) that compiles the latest developer version of the software and its main dependencies from source, to allow users to try to test new features and report problems on the bug tracker.
- Project files are stored in XML format.
- An archiving feature allows exporting a project among all assets into a single folder or compressed archive.
- Built-in audio mixer
Highlights from the Kdenlive 25.04.0 update:
Object segmentation
- A new plugin based on the SAM2 model now allows you to create object masks to remove the background of your videos or apply an effect only to an object. All processing is done locally.
Improved audio waveforms in timeline.
- A nice refactoring was done by Etienne André to make the audio thumbnails faster and more precise.
OpentimelineIO import/export
- Darby Johnston rewrote our OpentimelineIO import and export function using the C++ library. Now you can exchange projects with other editing applications that support this open source file format. Please note that effects, filters, and transitions are not exported as each application uses its own standard.
Workflow improvements
- The duration of multiple adjacent clips can be changed in one operation
- Allow vertical zooming of audio waveforms
- Fixed proxy clips workflow for videos with an alpha channel
- Added Shift+Click to expand/collapse all effects in the stack
- It is now easier to find out which monitor is active as the time code widget now uses a different color
- Added a search feature to the project notes, and made standard search shortcut work on all widgets
- Fixed UI translations not appearing correctly despite being translated
- Kdenlive now remembers the last used LUT files when doing color correction, making it easier to access them
- Fixed Render widget hidden behind main window on Mac
- Many other improvements made it into this release, and we closed more than 30 reported bugs. Please see the changelog for details.
Last minute fixes
- Fixed a corruption when copying and pasting sequence clips to another project
- Improved the Title Editor's text outline to follow the font curves more closely
- Fixed an application freeze when trying to extract the last clip in a track
- Made the Auto Save feature less aggressive by increasing the time intervals and fine tuning the triggers in order to prevent a severe lag in large projects