These two formats are two of the most widely used file formats on the web, however they serve very different purposes. PNG is a high quality format that supports full transparency, perfect for screenshots and design assets. JPG employs file compression to create significantly smaller files.
The most common motivation to transform PNG to JPG is storage. A single PNG photo is often several times bigger the equivalent JPG. For websites, resulting in into slower page load times and poor PageSpeed results.
Converting PNG to JPG is the correct decision when you're using photographic images that have no require a transparent background. Additionally recommended when you require to lower file size for improved web uploads.
However PNG to JPG converting is not always recommended. If your PNG file contains a alpha channel like a logo, changing it to JPG will fill the transparent area with white, losing the clear background.
For the best image conversion output, use a quality setting of 80 to 85 percent for online images. here Try alljpgconverters.com providing a totally free browser-based PNG to JPG solution with no account required.