The following file types and codecs have been tested and optimized for optimal transcoding input:
Media File Formats: Mpeg-4 and QuickTime Formats (MP4, MOV, QT, and M4V), Flash Video (FLV and F4V), Microsoft Windows Formats (AVI, ASF, WMV and WMA), MPEG-1/2 (MPG, M1V, M2V, MP3), WAV, Matroska (MKV), OGG OGM & OGV, WEBM, 3GP, RM, Webex (ARF), MXF
Video Codecs: DivX (Div3/4/5, DX50), DV, H.263, H.264 and AVC, MPEG-4 Visual, MPEG-1/2, MJPG, MP42/3, IV40/50 (Indeo codecs), RV30/40, RMVB, FLV1/4, VP3/5/6/7/8/9, Sorenson (SVQ1/3), Xvid, Theora, WMV1/2/3, VC1, ProRes 422, ICOD, DVCPRO, PXLT, TCSS/TCS2, GoToMeeting Codec (G2M3/4)
The Maximum Video Frame Size is 5000 x 5000.
Audio Codecs: MP3, MP1/2, AC3, AAC, Vorbis, AMR, PCM, WMA7/8/9, WMSpeech, FLAC, QDM2, RA, Nellymoser, Cook, GSM, SPEEX
There are no file size upload restrictions. Although please be aware that some internet browsers have file upload limits.