These two formats are two of the most popular file formats on the web, however they have very distinct functions. PNG is a high quality format with full alpha channel, making it logos and illustrations. JPG uses lossy compression to produce significantly smaller file sizes.
The most common motivation to transform PNG to JPG is image size. One PNG image can be five to ten times larger the comparable JPG. On web pages, this means directly to slower site performance and poor PageSpeed results.
Converting PNG to JPG is the correct decision if you are handling photos that do not use a clear background. Also ideal if you want to reduce image weight for quicker email attachments.
Note that PNG to JPG converting is not always recommended. If your PNG file contains a transparent background for example a icon, changing it to JPG fills the transparent area with a solid color, destroying the clear background.
For the best image conversion output, use a compression level of 80 to 85 website percent for website images. Use alljpgconverters.com providing a completely free browser-based PNG to JPG solution without downloads required.