YouTube

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YouTube is a website that allows users to upload video that can then be viewed by other users. Some of YouTube's wild popularity hinges on its accessibility-- it is able to accept multimedia files encoded in an enormous array of formats. Some suspect that YouTube's backend conversion software leverages FFmpeg. FFmpeg supports a wide range of multimedia formats as documented in this Multimedia Wiki. This Wiki page is an effort to determine which multimedia formats can be converted by YouTube's software.

Note that this is an ongoing project and is not exactly an authoritative list of all the formats that YouTube accepts.

Formats That YouTube Accepts

container video codec audio codec status YouTube link sample file name sample location date tested
AVI FMP4 PCM works converted video n/a n/a January 4, 2007
RoQ RoQ Video Id RoQ DPCM some visual bugs converted video jk02.roq location January 4, 2007
Sega FILM Cinepak PCM mostly works converted video
converted video
converted video
converted video
converted video
worldseriesbaseball.cpk
hiddensouls-gun-butterfly.cpk
intro.film
corelogo-stereo.cpk
R01.CAK
location January 4, 2007
4xm Format 4xm Video 4X IMA ADPCM somewhat works converted video aitd-29.4xm location January 4, 2007
Flic Video Flic Video n/a works converted video
converted video
a.fli
fli-engines.fli
location January 4, 2007
AVI DUCK, 16-bit variant Duck DK4 IMA ADPCM works converted video
converted video
vc2_intro.avi
salsa.avi
location January 4, 2007
AVI DUCK, 24-bit variant Duck DK3 IMA ADPCM visual bugs converted video sonic3dblast_intro.avi location January 4, 2007
MOV 8BPS  ?? works converted video full9ironswing.mov location January 4, 2007
AVI AASC  ?? works converted video AASC.AVI location January 4, 2007
AVI AP41  ?? works converted video AP2_teaser.avi location January 4, 2007
AVI ASV1  ?? works converted video ASV1.avi location January 4, 2007
AVI ASV2  ?? works converted video asv2_320x240_3.avi location January 4, 2007
AVI CJPG  ?? works converted video video013_paulera.avi location January 4, 2007
AVI CLJR  ?? works converted video testcljr.avi location January 4, 2007
AVI CRAM, 8-bit variant Microsoft ADPCM works converted video dance.avi location January 4, 2007
AVI CRAM, 16-bit variant  ?? works converted video clock-cram16.avi location January 4, 2007
MOV Cinepak, 8-bit palettized  ?? works converted video
(private)
catfight%20Tag%20team%20DT.mov location January 4, 2007
AVI CYUV n/a works converted video cyuv.avi location January 4, 2007
AVI DXGM  ?? works converted video 0x4D475844-wow.avi location January 4, 2007
AVI I263  ?? works converted video i263.avi location January 4, 2007
AVI IV32  ?? works converted video levis.avi location January 4, 2007
AVI IV41  ?? works converted video indeo41.avi location January 4, 2007
AVI IV50  ?? works converted video Educ_Movie_DeadlyForce.avi location January 4, 2007
MOV ZyGo  ?? somewhat works converted video Film_200_zygo_pro.mov location January 4, 2007
AVI WV1F  ?? works converted video title2.avi location January 4, 2007
AVI QPEG  ?? works converted video Clock.avi location January 4, 2007
AVI RT21  ?? works converted video VPAR0019.AVI location January 4, 2007
MOV RPZA n/a works converted video rpza2.mov location January 4, 2007
MOV SMC n/a works converted video cass_schi.qt location January 4, 2007
AVI TM20  ?? works converted video sqlogo.avi location January 4, 2007
AVI YVU9 n/a works converted video indeoraw1.2.avi location January 4, 2007
NuppelVideo NuppelVideo RTJPEG  ?? works converted video Today.nuv location January 4, 2007
PVA MPEG-2 MPEG layer 2 works converted video PVA_DeejayTV_Coldplay.pva location January 4, 2007
RealMedia RV10  ?? works converted video jade-56.rm location January 4, 2007
RealMedia RV20  ?? works converted video Legend-of-the-Rangers_I.rm location January 4, 2007
RealMedia RV30  ?? works converted video eiqu-56k.rm location January 4, 2007
FLV Sorenson Spark  ?? works converted video zelda.flv location January 4, 2007
AVI FFV1 n/a works converted video custom command line <cite_reference_link> n/a January 4, 2007
YUV4MPEG2 Raw YCbCr 4:2:0 n/a works converted video custom command line<cite_reference_link> n/a January 5, 2007
AVI Microsoft RLE Microsoft ADPCM works converted video January 14, 2007
MOV SVQ1 QDM2 works converted video January 20, 2007
Rad Game Tools Smacker Smacker Video Smacker Audio somewhat works converted video Streets of Sim City intro.smk December 15, 2008
Wing Commander III MVE Wing Commander III MVE Video Codec PCM audio works, no video converted video wc3-chewed-out.mve location September 23, 2009
Quake II CIN Quake II CIN Video PCM audio works, glitched video converted video idlog.cin location September 23, 2009
Interplay MVE Interplay Video Interplay DPCM audio works, no video converted video baldursgate-logo.mve location September 23, 2009
Westwood VQA Westwood VQA Westwood ADPCM Audio works converted video cc-demo1.vqa location September 23, 2009
AVI CSCD  ?? works converted video sample_video.avi location September 23, 2009
AVI KMVC  ?? works converted video LOGO1.AVI location September 23, 2009
MOV 3IV2  ?? works converted video Aqua_...partial.mov location September 23, 2009
Magic Carpet Modified FLIC Modified FLIC n/a works converted video logo.dat location September 23, 2009
AVI ZMBV  ?? works converted video td3_000.avi location September 23, 2009
AVI On2 VP6  ?? works converted video chvp6_390kb.vp6 September 23, 2009
RealMedia RV40  ?? works converted video spygames-2MB.rmvb location September 23, 2009
Vivo Vivo H.263 Vivo Siren works [converted video trail28.viv location September 23, 2009

Formats That YouTube Fails To Convert

The reason that this list tests so many obscure formats is that YouTube is known to handle an impressive number of obscure formats just fine.

Note that items marked rejected because they were too long are probably results of software malfunction; the samples should not exceed the 10-minute time length (I'm making this assumption based on their relatively small sizes --Multimedia Mike).

container video codec audio codec status YouTube error sample file name sample location date tested
Creature Shock AVS AVS video PCM fails Failed (unable to convert video file) THEEND.AVS location September 23, 2009
AVI COL1  ?? fails Rejected (length of video is too long) sample.vid location January 4, 2007
MOV IV41  ?? fails Failed (no additional information) indeo41.avi location January 4, 2007
MOV PGVV  ?? fails Failed (unable to convert video file) airfone.mov location September 23, 2009
VMD VMD video VMD audio fails Rejected (length of video is too long)
Failed (unable to convert video file)
phantas-intro-R-rated.vmd
swat_3157.vmd
location January 4, 2007
American Laser Games MM MM Video PCM fails Failed (invalid file format) scene6.mm location January 4, 2007
FLV Flash screen video  ?? fails Failed (invalid file format) screen.flv location January 4, 2007
AVI Snow n/a fails Failed (unable to convert video file) custom command line <cite_reference_link> n/a January 4, 2007
Bink Container Bink Video Bink Audio Failed (invalid file format) logo_legal.bik location February 9, 2007

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