These two formats are two of the most widely used image formats on the web, but they fulfill very different functions. PNG is a lossless file type that supports full alpha channel, perfect for logos and icons. JPG employs efficient compression to create far smaller file sizes.
Primary motivation to convert PNG to JPG is storage. One PNG file can be 5 to 10 times the size of the comparable JPG. For websites, this read more translates directly to slower loading speed and lower PageSpeed ratings.
Converting PNG to JPG is the best decision if you're handling photographs that have no need a transparent background. Also perfect when you want to lower storage for quicker web uploads.
But PNG to JPG conversion is not always appropriate. If your PNG file includes a alpha channel for example a graphic, changing it to JPG fills that transparency with white, destroying the alpha.
For excellent image conversion output, use a quality setting of 80 to 85 percent for web publishing. Use alljpgconverters.com for a completely free online PNG to JPG solution requiring no account required.