What Is Content-Type (MIME)?
Multipurpose Internet Mail Extensions (MIME) type is a standard way of describing a data type. The MIME type is passed in the Content-Type header.
 
  If you do not specify Content-Type when uploading an object, the SDK determines the object type based on the suffix of the specified object name and automatically assigns a value to Content-Type.
Content-Type
Content-Type indicates the type of data to send or receive and determine the form and encoding method browsers will use to display data (mainly custom client files or media files). If no content type is specified, the type will be generated based on the file name extension. If there is no extension, the content type is application/octet-stream by default.
Common Content Types
The commonly used content types are given in the table below.
| 
        File Name Extension  | 
      
        Content-Type  | 
      
        File Name Extension  | 
      
        Content-Type  | 
     
|---|---|---|---|
| 
        .* (binary stream, unknown file type)  | 
      
        application/octet-stream  | 
      
        .7z  | 
      
        application/x-7z-compressed  | 
     
| 
        .001  | 
      
        application/x-001  | 
      
        .301  | 
      
        application/x-301  | 
     
| 
        .323  | 
      
        text/h323  | 
      
        .906  | 
      
        application/x-906  | 
     
| 
        .907  | 
      
        drawing/907  | 
      
        .a11  | 
      
        application/x-a11  | 
     
| 
        .acp  | 
      
        audio/x-mei-aac  | 
      
        .ai  | 
      
        application/postscript  | 
     
| 
        .aif  | 
      
        audio/aiff  | 
      
        .aifc  | 
      
        audio/aiff  | 
     
| 
        .aiff  | 
      
        audio/aiff  | 
      
        .anv  | 
      
        application/x-anv  | 
     
| 
        .asa  | 
      
        text/asa  | 
      
        .asf  | 
      
        video/x-ms-asf  | 
     
| 
        .asp  | 
      
        text/asp  | 
      
        .asx  | 
      
        video/x-ms-asf  | 
     
| 
        .au  | 
      
        audio/basic  | 
      
        .avi  | 
      
        video/avi  | 
     
| 
        .awf  | 
      
        application/vnd.adobe.workflow  | 
      
        .biz  | 
      
        text/xml  | 
     
| 
        .bmp  | 
      
        application/x-bmp  | 
      
        .bot  | 
      
        application/x-bot  | 
     
| 
        .c4t  | 
      
        application/x-c4t  | 
      
        .c90  | 
      
        application/x-c90  | 
     
| 
        .cal  | 
      
        application/x-cals  | 
      
        .cat  | 
      
        application/vnd.ms-pki.seccat  | 
     
| 
        .cdf  | 
      
        application/x-netcdf  | 
      
        .cdr  | 
      
        application/x-cdr  | 
     
| 
        .cel  | 
      
        application/x-cel  | 
      
        .cer  | 
      
        application/x-x509-ca-cert  | 
     
| 
        .cg4  | 
      
        application/x-g4  | 
      
        .cgm  | 
      
        application/x-cgm  | 
     
| 
        .cit  | 
      
        application/x-cit  | 
      
        .class  | 
      
        java/*  | 
     
| 
        .cml  | 
      
        text/xml  | 
      
        .cmp  | 
      
        application/x-cmp  | 
     
| 
        .cmx  | 
      
        application/x-cmx  | 
      
        .cot  | 
      
        application/x-cot  | 
     
| 
        .crl  | 
      
        application/pkix-crl  | 
      
        .crt  | 
      
        application/x-x509-ca-cert  | 
     
| 
        .csi  | 
      
        application/x-csi  | 
      
        .css  | 
      
        text/css  | 
     
| 
        .cut  | 
      
        application/x-cut  | 
      
        .dbf  | 
      
        application/x-dbf  | 
     
| 
        .dbm  | 
      
        application/x-dbm  | 
      
        .dbx  | 
      
        application/x-dbx  | 
     
| 
        .dcd  | 
      
        text/xml  | 
      
        .dcx  | 
      
        application/x-dcx  | 
     
| 
        .der  | 
      
        application/x-x509-ca-cert  | 
      
        .dgn  | 
      
        application/x-dgn  | 
     
| 
        .dib  | 
      
        application/x-dib  | 
      
        .dll  | 
      
        application/x-msdownload  | 
     
| 
        .doc  | 
      
        application/msword  | 
      
        .dot  | 
      
        application/msword  | 
     
| 
        .drw  | 
      
        application/x-drw  | 
      
        .dtd  | 
      
        text/xml  | 
     
| 
        .dwf  | 
      
        Model/vnd.dwf  | 
      
        .dwf  | 
      
        application/x-dwf  | 
     
| 
        .dwg  | 
      
        application/x-dwg  | 
      
        .dxb  | 
      
        application/x-dxb  | 
     
| 
        .dxf  | 
      
        application/x-dxf  | 
      
        .edn  | 
      
        application/vnd.adobe.edn  | 
     
| 
        .emf  | 
      
        application/x-emf  | 
      
        .eml  | 
      
        message/rfc822  | 
     
| 
        .ent  | 
      
        text/xml  | 
      
        .epi  | 
      
        application/x-epi  | 
     
| 
        .eps  | 
      
        application/x-ps  | 
      
        .eps  | 
      
        application/postscript  | 
     
| 
        .etd  | 
      
        application/x-ebx  | 
      
        .exe  | 
      
        application/x-msdownload  | 
     
| 
        .fax  | 
      
        image/fax  | 
      
        .fdf  | 
      
        application/vnd.fdf  | 
     
| 
        .fif  | 
      
        application/fractals  | 
      
        .fo  | 
      
        text/xml  | 
     
| 
        .frm  | 
      
        application/x-frm  | 
      
        .g4  | 
      
        application/x-g4  | 
     
| 
        .gbr  | 
      
        application/x-gbr  | 
      
        .  | 
      
        application/x-  | 
     
| 
        .gif  | 
      
        image/gif  | 
      
        .gl2  | 
      
        application/x-gl2  | 
     
| 
        .gp4  | 
      
        application/x-gp4  | 
      
        .hgl  | 
      
        application/x-hgl  | 
     
| 
        .hmr  | 
      
        application/x-hmr  | 
      
        .hpg  | 
      
        application/x-hpgl  | 
     
| 
        .hpl  | 
      
        application/x-hpl  | 
      
        .hqx  | 
      
        application/mac-binhex40  | 
     
| 
        .hrf  | 
      
        application/x-hrf  | 
      
        .hta  | 
      
        application/hta  | 
     
| 
        .htc  | 
      
        text/x-component  | 
      
        .htm  | 
      
        text/html  | 
     
| 
        .html  | 
      
        text/html  | 
      
        .htt  | 
      
        text/webviewhtml  | 
     
| 
        .htx  | 
      
        text/html  | 
      
        .icb  | 
      
        application/x-icb  | 
     
| 
        .ico  | 
      
        image/x-icon  | 
      
        .ico  | 
      
        application/x-ico  | 
     
| 
        .iff  | 
      
        application/x-iff  | 
      
        .ig4  | 
      
        application/x-g4  | 
     
| 
        .igs  | 
      
        application/x-igs  | 
      
        .iii  | 
      
        application/x-iphone  | 
     
| 
        .img  | 
      
        application/x-img  | 
      
        .ins  | 
      
        application/x-internet-signup  | 
     
| 
        .isp  | 
      
        application/x-internet-signup  | 
      
        .IVF  | 
      
        video/x-ivf  | 
     
| 
        .java  | 
      
        java/*  | 
      
        .jfif  | 
      
        image/jpeg  | 
     
| 
        .jpe  | 
      
        image/jpeg  | 
      
        .jpe  | 
      
        application/x-jpe  | 
     
| 
        .jpeg  | 
      
        image/jpeg  | 
      
        .jpg  | 
      
        image/jpeg  | 
     
| 
        .jpg  | 
      
        application/x-jpg  | 
      
        .js  | 
      
        application/x-javascript  | 
     
| 
        .jsp  | 
      
        text/html  | 
      
        .la1  | 
      
        audio/x-liquid-file  | 
     
| 
        .lar  | 
      
        application/x-laplayer-reg  | 
      
        .latex  | 
      
        application/x-latex  | 
     
| 
        .lavs  | 
      
        audio/x-liquid-secure  | 
      
        .lbm  | 
      
        application/x-lbm  | 
     
| 
        .lmsff  | 
      
        audio/x-la-lms  | 
      
        .ls  | 
      
        application/x-javascript  | 
     
| 
        .ltr  | 
      
        application/x-ltr  | 
      
        .m1v  | 
      
        video/x-mpeg  | 
     
| 
        .m2v  | 
      
        video/x-mpeg  | 
      
        .m3u  | 
      
        audio/mpegurl  | 
     
| 
        .m4e  | 
      
        video/mpeg4  | 
      
        .mac  | 
      
        application/x-mac  | 
     
| 
        .man  | 
      
        application/x-troff-man  | 
      
        .math  | 
      
        text/xml  | 
     
| 
        .mdb  | 
      
        application/msaccess  | 
      
        .mdb  | 
      
        application/x-mdb  | 
     
| 
        .mfp  | 
      
        application/x-shockwave-flash  | 
      
        .mht  | 
      
        message/rfc822  | 
     
| 
        .mhtml  | 
      
        message/rfc822  | 
      
        .mi  | 
      
        application/x-mi  | 
     
| 
        .mid  | 
      
        audio/mid  | 
      
        .midi  | 
      
        audio/mid  | 
     
| 
        .mil  | 
      
        application/x-mil  | 
      
        .mml  | 
      
        text/xml  | 
     
| 
        .mnd  | 
      
        audio/x-musicnet-download  | 
      
        .mns  | 
      
        audio/x-musicnet-stream  | 
     
| 
        .mocha  | 
      
        application/x-javascript  | 
      
        .movie  | 
      
        video/x-sgi-movie  | 
     
| 
        .mp1  | 
      
        audio/mp1  | 
      
        .mp2  | 
      
        audio/mp2  | 
     
| 
        .mp2v  | 
      
        video/mpeg  | 
      
        .mp3  | 
      
        audio/mp3  | 
     
| 
        .mp4  | 
      
        video/mp4  | 
      
        .mpa  | 
      
        video/x-mpg  | 
     
| 
        .mpd  | 
      
        application/vnd.ms-project  | 
      
        .mpe  | 
      
        video/x-mpeg  | 
     
| 
        .mpeg  | 
      
        video/mpg  | 
      
        .mpg  | 
      
        video/mpg  | 
     
| 
        .mpga  | 
      
        audio/rn-mpeg  | 
      
        .mpp  | 
      
        application/vnd.ms-project  | 
     
| 
        .mps  | 
      
        video/x-mpeg  | 
      
        .mpt  | 
      
        application/vnd.ms-project  | 
     
| 
        .mpv  | 
      
        video/mpg  | 
      
        .mpv2  | 
      
        video/mpeg  | 
     
| 
        .mpw  | 
      
        application/vnd.ms-project  | 
      
        .mpx  | 
      
        application/vnd.ms-project  | 
     
| 
        .mtx  | 
      
        text/xml  | 
      
        .mxp  | 
      
        application/x-mmxp  | 
     
| 
        .net  | 
      
        image/pnetvue  | 
      
        .nrf  | 
      
        application/x-nrf  | 
     
| 
        .nws  | 
      
        message/rfc822  | 
      
        .odc  | 
      
        text/x-ms-odc  | 
     
| 
        .out  | 
      
        application/x-out  | 
      
        .p10  | 
      
        application/pkcs10  | 
     
| 
        .p12  | 
      
        application/x-pkcs12  | 
      
        .p7b  | 
      
        application/x-pkcs7-certificates  | 
     
| 
        .p7c  | 
      
        application/pkcs7-mime  | 
      
        .p7m  | 
      
        application/pkcs7-mime  | 
     
| 
        .p7r  | 
      
        application/x-pkcs7-certreqresp  | 
      
        .p7s  | 
      
        application/pkcs7-signature  | 
     
| 
        .pc5  | 
      
        application/x-pc5  | 
      
        .pci  | 
      
        application/x-pci  | 
     
| 
        .pcl  | 
      
        application/x-pcl  | 
      
        .pcx  | 
      
        application/x-pcx  | 
     
| 
        | 
      
        application/pdf  | 
      
        | 
      
        application/pdf  | 
     
| 
        .pdx  | 
      
        application/vnd.adobe.pdx  | 
      
        .pfx  | 
      
        application/x-pkcs12  | 
     
| 
        .pgl  | 
      
        application/x-pgl  | 
      
        .pic  | 
      
        application/x-pic  | 
     
| 
        .pko  | 
      
        application/vnd.ms-pki.pko  | 
      
        .pl  | 
      
        application/x-perl  | 
     
| 
        .plg  | 
      
        text/html  | 
      
        .pls  | 
      
        audio/scpls  | 
     
| 
        .plt  | 
      
        application/x-plt  | 
      
        .png  | 
      
        image/png  | 
     
| 
        .png  | 
      
        application/x-png  | 
      
        .pot  | 
      
        application/vnd.ms-powerpoint  | 
     
| 
        .ppa  | 
      
        application/vnd.ms-powerpoint  | 
      
        .ppm  | 
      
        application/x-ppm  | 
     
| 
        .pps  | 
      
        application/vnd.ms-powerpoint  | 
      
        .ppt  | 
      
        application/vnd.ms-powerpoint  | 
     
| 
        .ppt  | 
      
        application/x-ppt  | 
      
        .pr  | 
      
        application/x-pr  | 
     
| 
        .prf  | 
      
        application/pics-rules  | 
      
        .prn  | 
      
        application/x-prn  | 
     
| 
        .prt  | 
      
        application/x-prt  | 
      
        .ps  | 
      
        application/x-ps  | 
     
| 
        .ps  | 
      
        application/postscript  | 
      
        .ptn  | 
      
        application/x-ptn  | 
     
| 
        .pwz  | 
      
        application/vnd.ms-powerpoint  | 
      
        .r3t  | 
      
        text/vnd.rn-realtext3d  | 
     
| 
        .ra  | 
      
        audio/vnd.rn-realaudio  | 
      
        .ram  | 
      
        audio/x-pn-realaudio  | 
     
| 
        .ras  | 
      
        application/x-ras  | 
      
        .rat  | 
      
        application/rat-file  | 
     
| 
        .rdf  | 
      
        text/xml  | 
      
        .rec  | 
      
        application/vnd.rn-recording  | 
     
| 
        .red  | 
      
        application/x-red  | 
      
        .rgb  | 
      
        application/x-rgb  | 
     
| 
        .rjs  | 
      
        application/vnd.rn-realsystem-rjs  | 
      
        .rjt  | 
      
        application/vnd.rn-realsystem-rjt  | 
     
| 
        .rlc  | 
      
        application/x-rlc  | 
      
        .rle  | 
      
        application/x-rle  | 
     
| 
        .rm  | 
      
        application/vnd.rn-realmedia  | 
      
        .rmf  | 
      
        application/vnd.adobe.rmf  | 
     
| 
        .rmi  | 
      
        audio/mid  | 
      
        .rmj  | 
      
        application/vnd.rn-realsystem-rmj  | 
     
| 
        .rmm  | 
      
        audio/x-pn-realaudio  | 
      
        .rmp  | 
      
        application/vnd.rn-rn_music_package  | 
     
| 
        .rms  | 
      
        application/vnd.rn-realmedia-secure  | 
      
        .rmvb  | 
      
        application/vnd.rn-realmedia-vbr  | 
     
| 
        .rmx  | 
      
        application/vnd.rn-realsystem-rmx  | 
      
        .rnx  | 
      
        application/vnd.rn-realplayer  | 
     
| 
        .rp  | 
      
        image/vnd.rn-realpix  | 
      
        .rpm  | 
      
        audio/x-pn-realaudio-plugin  | 
     
| 
        .rsml  | 
      
        application/vnd.rn-rsml  | 
      
        .rt  | 
      
        text/vnd.rn-realtext  | 
     
| 
        .rtf  | 
      
        application/msword  | 
      
        .rtf  | 
      
        application/x-rtf  | 
     
| 
        .rv  | 
      
        video/vnd.rn-realvideo  | 
      
        .sam  | 
      
        application/x-sam  | 
     
| 
        .sat  | 
      
        application/x-sat  | 
      
        .sdp  | 
      
        application/sdp  | 
     
| 
        .sdw  | 
      
        application/x-sdw  | 
      
        .sit  | 
      
        application/x-stuffit  | 
     
| 
        .slb  | 
      
        application/x-slb  | 
      
        .sld  | 
      
        application/x-sld  | 
     
| 
        .slk  | 
      
        drawing/x-slk  | 
      
        .smi  | 
      
        application/smil  | 
     
| 
        .smil  | 
      
        application/smil  | 
      
        .smk  | 
      
        application/x-smk  | 
     
| 
        .snd  | 
      
        audio/basic  | 
      
        .sol  | 
      
        text/plain  | 
     
| 
        .sor  | 
      
        text/plain  | 
      
        .spc  | 
      
        application/x-pkcs7-certificates  | 
     
| 
        .spl  | 
      
        application/futuresplash  | 
      
        .spp  | 
      
        text/xml  | 
     
| 
        .ssm  | 
      
        application/streamingmedia  | 
      
        .sst  | 
      
        application/vnd.ms-pki.certstore  | 
     
| 
        .stl  | 
      
        application/vnd.ms-pki.stl  | 
      
        .stm  | 
      
        text/html  | 
     
| 
        .sty  | 
      
        application/x-sty  | 
      
        .svg  | 
      
        text/xml  | 
     
| 
        .swf  | 
      
        application/x-shockwave-flash  | 
      
        .tdf  | 
      
        application/x-tdf  | 
     
| 
        .tg4  | 
      
        application/x-tg4  | 
      
        .tga  | 
      
        application/x-tga  | 
     
| 
        .tif  | 
      
        image/tiff  | 
      
        .tiff  | 
      
        image/tiff  | 
     
| 
        .ttf  | 
      
        font/otf  | 
      
        .tld  | 
      
        text/xml  | 
     
| 
        .top  | 
      
        drawing/x-top  | 
      
        .torrent  | 
      
        application/x-bittorrent  | 
     
| 
        .tsd  | 
      
        text/xml  | 
      
        .txt  | 
      
        text/plain  | 
     
| 
        .uin  | 
      
        application/x-icq  | 
      
        .uls  | 
      
        text/iuls  | 
     
| 
        .vcf  | 
      
        text/x-vcard  | 
      
        .vda  | 
      
        application/x-vda  | 
     
| 
        .vdx  | 
      
        application/vnd.visio  | 
      
        .vml  | 
      
        text/xml  | 
     
| 
        .vpg  | 
      
        application/x-vpeg005  | 
      
        .vsd  | 
      
        application/vnd.visio  | 
     
| 
        .vsd  | 
      
        application/x-vsd  | 
      
        .vss  | 
      
        application/vnd.visio  | 
     
| 
        .vst  | 
      
        application/vnd.visio  | 
      
        .vst  | 
      
        application/x-vst  | 
     
| 
        .vsw  | 
      
        application/vnd.visio  | 
      
        .vsx  | 
      
        application/vnd.visio  | 
     
| 
        .vtx  | 
      
        application/vnd.visio  | 
      
        .vxml  | 
      
        text/xml  | 
     
| 
        .wav  | 
      
        audio/wav  | 
      
        .wax  | 
      
        audio/x-ms-wax  | 
     
| 
        .wb1  | 
      
        application/x-wb1  | 
      
        .wb2  | 
      
        application/x-wb2  | 
     
| 
        .wb3  | 
      
        application/x-wb3  | 
      
        .wbmp  | 
      
        image/vnd.wap.wbmp  | 
     
| 
        .wiz  | 
      
        application/msword  | 
      
        .wk3  | 
      
        application/x-wk3  | 
     
| 
        .wk4  | 
      
        application/x-wk4  | 
      
        .wkq  | 
      
        application/x-wkq  | 
     
| 
        .wks  | 
      
        application/x-wks  | 
      
        .wm  | 
      
        video/x-ms-wm  | 
     
| 
        .wma  | 
      
        audio/x-ms-wma  | 
      
        .wmd  | 
      
        application/x-ms-wmd  | 
     
| 
        .wmf  | 
      
        application/x-wmf  | 
      
        .wml  | 
      
        text/vnd.wap.wml  | 
     
| 
        .wmv  | 
      
        video/x-ms-wmv  | 
      
        .wmx  | 
      
        video/x-ms-wmx  | 
     
| 
        .wmz  | 
      
        application/x-ms-wmz  | 
      
        .wp6  | 
      
        application/x-wp6  | 
     
| 
        .wpd  | 
      
        application/x-wpd  | 
      
        .wpg  | 
      
        application/x-wpg  | 
     
| 
        .wpl  | 
      
        application/vnd.ms-wpl  | 
      
        .wq1  | 
      
        application/x-wq1  | 
     
| 
        .wr1  | 
      
        application/x-wr1  | 
      
        .wri  | 
      
        application/x-wri  | 
     
| 
        .wrk  | 
      
        application/x-wrk  | 
      
        .ws  | 
      
        application/x-ws  | 
     
| 
        .ws2  | 
      
        application/x-ws  | 
      
        .wsc  | 
      
        text/scriptlet  | 
     
| 
        .wsdl  | 
      
        text/xml  | 
      
        .wvx  | 
      
        video/x-ms-wvx  | 
     
| 
        .xdp  | 
      
        application/vnd.adobe.xdp  | 
      
        .xdr  | 
      
        text/xml  | 
     
| 
        .xfd  | 
      
        application/vnd.adobe.xfd  | 
      
        .xfdf  | 
      
        application/vnd.adobe.xfdf  | 
     
| 
        .xhtml  | 
      
        text/html  | 
      
        .xlsx  | 
      
        application/vnd.openxmlformats-officedocument.spreadsheetml.sheet  | 
     
| 
        .xls  | 
      
        application/x-xls  | 
      
        .xlw  | 
      
        application/x-xlw  | 
     
| 
        .xml  | 
      
        text/xml  | 
      
        .xpl  | 
      
        audio/scpls  | 
     
| 
        .xq  | 
      
        text/xml  | 
      
        .xql  | 
      
        text/xml  | 
     
| 
        .xquery  | 
      
        text/xml  | 
      
        .xsd  | 
      
        text/xml  | 
     
| 
        .xsl  | 
      
        text/xml  | 
      
        .xslt  | 
      
        text/xml  | 
     
| 
        .xwd  | 
      
        application/x-xwd  | 
      
        .x_b  | 
      
        application/x-x_b  | 
     
| 
        .sis  | 
      
        application/vnd.symbian.install  | 
      
        .sisx  | 
      
        application/vnd.symbian.install  | 
     
| 
        .x_t  | 
      
        application/x-x_t  | 
      
        .ipa  | 
      
        application/vnd.iphone  | 
     
| 
        .apk  | 
      
        application/vnd.android.package-archive  | 
      
        .xap  | 
      
        application/x-silverlight-app  | 
     
| 
        .zip  | 
      
        application/zip  | 
      
        .rar  | 
      
        application/x-rar-compressed  | 
     
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