These is a recurrent topic. We have been having problems with image compression previously, as there seems that the software tries to compress each image uploaded by the users. We are a photography forum and our users complain about their photos loosing quality (they loose quality indeed). Till n…

Make sure you have recompress original jpg quality set to 100, this one bit me for a long time and I just figured it out.

Thank you, I will try. I had it set to 97, I had thought that recompress was only activated when the image exceeded image thresholds. I have configured composer media parameters like this (I don’t fully understand the meaning of all of them): image bytes optimization threshold: 1259520 (a bit mo…

From what I understand and verified in my testing is that the recompress original jpg quality setting will resample the image no matter what if it is set below 100. max image size kb is what will trigger a resample if it’s over this size, even with the above setting at 100. Both of these happen ser…

Well, thank you so local optimización should be off and 100 the recompress factor. I gave to donsomebtests ti see hoy all these work It seens complucated and not ideal If imagen comoky ti the limita they should not be toyches and only compressed to the target size when they exceed the limit in siz…

Hey @ariznaf :slight_smile: Could you share a link to an original picture < 2000px and < 1.2 MB, and to the recompressed one after upload?

Thank you, I will try to, I have to make tests on my own to see if the files Yolanda added are changed when they comply with the thresholds, I have several people complaining about It but I could not corroborate it by myself. If I find an example I will provide it.

Y a-t-il eu des changements récents dans la compression d'images ?

Soutien

davidkingham (David Kingham) Avril 20, 2023, 4:11 2

Assurez-vous que recompress original jpg quality est réglé sur 100, cela m’a posé problème pendant longtemps et je viens de le découvrir.

Sujet		Réponses	Vues
How to avoid any kind of recompression on images? Support	8	1581	Février 14, 2022
Help me understand image compression Support	7	824	Novembre 9, 2025
Composer image resize threshold Self-hosting uploads , composer	14	321	Mai 1, 2026
Auto convert upload to JPG? Support	6	1044	Mars 22, 2023
Image compression and resizing Feature	9	4203	Août 28, 2015

Y a-t-il eu des changements récents dans la compression d'images ?

Sujets connexes