To give you a "proper review," could you please clarify one of the following?
Every time you edit and re-save a JPEG, it loses a bit of data and quality. It does not support transparent backgrounds (unlike PNG). Download 1235075570 jpeg
(e.g., a specific stock photo site or social media app). To give you a "proper review," could you
(e.g., a landscape, a person, a technical diagram). General Review of JPEG as a Format To give you a "proper review
It is the most universally compatible format, easily opened on any device. It uses "lossy" compression, which significantly reduces file sizes while maintaining "reasonable" image quality for web use.
If you are asking about the quality of JPEG files in general for your downloads, here is a quick breakdown: