These two formats are among the most popular photo formats on the internet, but they serve very different purposes. PNG is a lossless format that supports full transparency, making it logos and design assets. JPG employs file compression to generate far smaller storage.
Main purpose to change PNG to JPG is file size. A single PNG file is often 5 to 10 times bigger the same JPG. On web pages, this translates directly to poor loading speed and lower Core Web Vitals ratings.
Transforming PNG to JPG is the best choice when you're using photographic images that do not use a clear background. Also ideal if you want to reduce image weight for improved web uploads.
However check here PNG to JPG converting is not necessarily appropriate. When the PNG image includes a clear canvas such as a graphic, converting it to JPG will fill the transparent area with white, losing the clear background.
For the best image conversion output, use a compression level of 80 to 85 percent for website use. Use alljpgconverters.com offering 100 percent free online PNG to JPG tool with no account required.