I have tried to export metadata with the option that exists in “Render Project” “Export metadata Edit metadata.”
In the window at the bottom right, the command says:
“ab=160k acodec=aac channels=2 crf=23 f=mp4 g=15 meta.attr.FechaEvento.markup=18 de Agosto de 2007 meta.attr.Musica.markup=La gran gala de veranometa.attr.Obra.markup=III Concerto para clarinete meta.attr.title.markup=Primer paseo en bici de claudia meta.attr.year.markup=2007 movflags=+faststart preset=veryfast real_time=-1 threads=0 vcodec=libx264”
However, neither fprobre nor exiftool inform me of the metadata that I have added, and that are not the predefined ones.
The rendering is of several clips edited on the timeline.
My OS is Windows 11 Pro and the KDEnlive version is 25.12.3.
Am I doing something wrong or does this option currently not work?
Thanks in advance.
Lamola
(22/04/2026).
Due to the lack of response, I have investigated the reason why the metadata is not being saved in the mp4 file.
In short, the command is missing this option “-movflags use_metadata_tags” so that the “new metadata” is included in the file.
Tested with ffmpeg and ffprobe, with and without the option, only with the option is the recording successful.
On the other hand, is there any way to edit the command I mentioned in my initial post?
The test was done with this command that I copied from the internet: ffmpeg -i ‘/home/evens/Images/2025/10/23/20251023_215242.mp4’ -map_metadata 0 -metadata author=“Evens Fortuné” -metadata title=“Small clip of a music concert” -movflags use_metadata_tags -c copy -y ‘17-20251023_215242.mp4’
Regards,
LaMola
Thanks for sharing the solution. I will check whether this can be incorporated in Kdenlive in 26.04.1 (first maintenance release for the upcoming 26.04 version). Until then you can create a new render profile/preset and add that ffmpeg command.
Go to File > Render, select the profile you want to base the new one on, click on
In the next screen select the Other tab, and add the ffmpeg command to Additional Parameters:
I have created a new preset including the instruction “movflags use_metadata_tags” and I have rendered with “ab=160k acodec=aac bf=0 channels=2 crf=23 f=mp4 g=15 meta.attr.OtraCosa.markup=OtrasCosas meta.attr.author.markup=RGE meta.attr.copyright.markup=Copyright meta.attr.title.markup=PreubaRicardo meta.attr.year.markup=2026 movflags=use_metadata_tags preset=veryfast real_time=-1 threads=0 vcodec=libx264”
I checked with ffprobe and now all the metadata is there.
Thanks for everything, the guidance on how to include the new movflags has meant a lot.
I will be attentive to the incorporation in a future version of KDEnlive.
Lamola
