Kdenlive/Manual/Troubleshooting and Common Problems

Information

• How to file a bug report, and where? How to do debugging if necessary (link gdb tutorials) when using a dev version?

Kdenlive is too large on my screen. I cannot make it smaller.

This usually happens when too many widgets are open. Each widget label takes a minimum amount of space in width. Close some (e.g. via the View button) and consider using layouts (View -> Save Layout As).

I want to trim videos without re-encoding them. How can I do this?

You cannot do this with Kdenlive. (Please try Avidemux instead.) The reason is that, for splitting, files need to be treated in a very different manner (the file itself needs to be edited, whileas Kdenlive renders frames into a new file).
See also: [1], [2]

I want to apply an effect, for example a watermark, to the whole project. What is the best way to do this?

Create a new project with the same project profile and import the project on which you want to apply the effect to as a clip (Project -> Add Clip).
See also: How to: Add a Watermark in kdenlive on Vimeo.

My monitor plays distorted images, or generally something it really should not.

Please check your Settings -> Configure Kdenlive -> Playback settings. Try to disable OpenGL if it is enabled, or use a different driver. Kdenlive may need to be restarted.

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