| gm2 | Gens Game Recording Format 2 File |
| gmm | Global Mobile Media |
| gmt | Global Mobile Television |
| gmv | Gens Game Recording |
| gts | CaptiveWorks PVR Video |
| gvi | Google Video |
| gvp | Google Video Pointer |
| gxf | SMPTE General Exchange Format Video |
| h-263 | H.263 Video |
| h261 | H.261 Video |
| h262 | H.262 Encoded Video |
| h263 | H.263 Video |
| h264 | H.264 Bitstream |
| h265 | HEVC/H.265 HM-10 Video |
| h3r | Panasonic Security Camera Recorded Video |
| h4m | Nintendo Gamecube Game Video |
| h64 | Audio-less H.264 Video |
| hav | Handan Video Stream |
| hav | High Quality Audio-Video |
| hdmov | HD QuickTime Movie |
| hdv | High-definition Digital Video |
| hev | HEVC/H.265 HM-10 Video |
| hev1 | HEVC/H.265 HM-10 Video |
| hevc | HEVC/H.265 HM-10 Video |
| hkv | Eyesight IP Camera Video |
| hls | HTTP Live Streaming Video |
| hlv | H.263 Flash Video |
| hm10 | HEVC/H.265 HM-10 Video |
| hmv | Houdini HMV Movie |
| hpv | HPV Eco-system Video |
| hq | Apple ProRes 422 HQ Video |
| hup | Haihaisoft Universal Player Media |
| idx | VobSub Subtitle Index |
| ifv | Indeo Format Video |
| imv | Impatica Video |
