I had the same experience of this add-on no longer working, as of a couple of weeks ago. But today it has magically begun to work again! I guess it was just some glitch on the Vinted servers. Thanks Boberle -- your add-on helps me to see the product shots on Vinted at full resolution and that's a big help!

p.s. config: Firefox v150.0.3 (64b) on Win11Pro, also using NoScript and uBlock Origin.

Fantastic tool, thank you!
So much better than the local version where I had to download scripts from GitHub and learn to use system console ;)

This is so precious! It saves LOADS of time.
Thank you so very much.