MKVToolNix... does it change the quality?

[ancient]

Hi all

If I use MKVToolNix to change the titles of the Audio or Subtitle tracks, will this have any impact on the quality of the Video or Audio of MKV file...?
I assume I just need the Header Editor part, is that correct?

Any help appreciated.

[Sunoo]

No, it doesn’t change the quality.

[ancient]

Thank you.