🌀Possible "Content-Type" Header values

You can find every content types here: http://www.iana.org/assignments/media-types/media-types.xhtml

The most common types are:

1. Type application:

    application/java-archive
    application/EDI-X12   
    application/EDIFACT   
    application/javascript   
    application/octet-stream   
    application/ogg   
    application/pdf  
    application/xhtml+xml   
    application/x-shockwave-flash    
    application/json  
    application/ld+json  
    application/xml   
    application/zip  
    application/x-www-form-urlencoded  

2. Type audio:

    audio/mpeg   
    audio/x-ms-wma   
    audio/vnd.rn-realaudio   
    audio/x-wav   

3. Type image:

    image/gif   
    image/jpeg   
    image/png   
    image/tiff    
    image/vnd.microsoft.icon    
    image/x-icon   
    image/vnd.djvu   
    image/svg+xml    

4. Type multipart:

    multipart/mixed    
    multipart/alternative   
    multipart/related (using by MHTML (HTML mail).)  
    multipart/form-data  

5. Type text:

    text/css    
    text/csv    
    text/html    
    text/javascript (obsolete)    
    text/plain    
    text/xml    

6. Type video:

    video/mpeg    
    video/mp4    
    video/quicktime    
    video/x-ms-wmv    
    video/x-msvideo    
    video/x-flv   
    video/webm   

7. Type vnd:

    application/vnd.android.package-archive
    application/vnd.oasis.opendocument.text    
    application/vnd.oasis.opendocument.spreadsheet  
    application/vnd.oasis.opendocument.presentation   
    application/vnd.oasis.opendocument.graphics   
    application/vnd.ms-excel    
    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet   
    application/vnd.ms-powerpoint    
    application/vnd.openxmlformats-officedocument.presentationml.presentation    
    application/msword   
    application/vnd.openxmlformats-officedocument.wordprocessingml.document   
    application/vnd.mozilla.xul+xml