data:[<MIME-type>][;charset=<encoding>][;base64],<data>
                    
Exemples (more here):
                    ... - it meens <data> - base64 code :)
                    
IMAGE:
                    
GIF: <img src="data:image/gif;base64,..."/>
                    
PNG: <img src="data:image/png;base64,..."/>
                    
JPEG: <img src="data:image/jpeg;base64,..."/>
                    
BMP: <img src="data:image/bmp;base64,..."/>
                    
WEBP: <img src="data:image/webp;base64,..."/>
                    
svg+xml: <img src="data:image/svg+xml;base64,..."/>
                    
                    
TEXT:
                    
PLAIN: href,and other="data:text/plain;base64,..."/>
                    
HTML: href,and other="data:text/html;base64,..."/>
                    
CSS: href,and other="data:text/css;base64,..."/>
                    
JAVASCRIPT: href,and other="data:text/javascript;base64,..."/>
                    
                    
AUDIO:
                    
MIDI: <audio src="data:audio/midi;base64,..."/>
                    
MPEG and MP3: <audio src="data:audio/mpeg;base64,..."/>
                    
WEBM: <audio src="data:audio/webm;base64,..."/>
                    
OGG: <audio src="data:audio/ogg;base64,..."/>
                    
WAV: <audio src="data:audio/wav;base64,..."/>
                    
                    
VIDEO:
                    
<video controls> 
                    
<source type="video/webm" src="data:video/webm;base64,..."> 
                    
<source type="video/mp4" src="data:video/mp4;base64,..."> 
                    
<source type="video/ogg" src="data:video/ogg;base64,..."> 
                    
</video>
                    
                    
APPLICATION:
                    
XML: <embed,iframe src="data:application/xml;base64,..."/>
                    
PDF: <embed,iframe src="data:application/pdf;base64,..."/>
                    
???: <embed,iframe src="data:application/octet-stream;base64,..."/>
                    
???: <embed,iframe src="data:application/pkcs12;base64,..."/>
                    
???: <embed,iframe src="data:application/vnd.mspowerpoint;base64,..."/>
                    
???: <embed,iframe src="data:application/xhtml+xml;base64,..."/>