JPEG, Joint Photographic Experts Group, is defined how an image is compressed into a stream of bytes and decompressed back into an image, but not the file format used to contain that stream. The frequent compress ways in JPEG is lossy compression, which means that the quality of the picture may be damaged apparently. And JPG is one type of JPEG. Actually, JPG and JPEG both have the same expression form. Strictly speaking, the only difference between these two format is that the JPG format have sacrificed more qualities than the JPEG format. PNG is widely used in the website design process. So sometimes you need to convert your JPG format to PNG. PNG, Portable Network graphics, is a bitmapped image format which employs lossless data compression with the best apparent quality. PNG replaces TIFF and GIF format and was created to improve upon as an image-file format not requiring a patent license. Sometimes, PNG format is always used in JAVA script and website which support 256 colors. This format also have a very streamability read/write function , progressive display and transparency.

If you want to convert your JPG file to PNG, you may first upload your target files and then click convert to finish.

How to convert jpg to png?

Step 1:Upload your target file from your local computer and then click "Upload Now"

Step 2:The online convert system will upload your chosen file.

Step 3:You need to select which picture format you want to convert. Here you may choose PNG format.

Step 4:You may configure the parameters of your convert files.

Step 5:Click "Convert Now" to finish the process.

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