In HTML, traditionally we use path of image file to specify image source in IMG tag.
However, we can give binary data as well as source in “SRC” attribute of IMG tag, and image will be display in html.
<IMG SRC=”data:image/gif;base64,<Binary Data>” />
<IMG SRC=”data:image/gif;base64, R0lGODlhCAAFAIABAMaAgP///yH5BAEAAAEALAAAAAAIAAUAAAIKBBKGebzqoJKtAAA7″ />
Binary data in above line is ‘base64 encoded’ format of image.
One advantage of this method is that visitor never knows the PATH of image you have displayed.
Drawback of this point is that IE does not support this way to display image.
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