Supported Formats
Input formats (20+)
Medix auto-discovers files with any of these extensions:
| Extension | Container / Codec family |
|---|---|
.vob | DVD MPEG-2 Program Stream |
.mp4 | MPEG-4 Part 14 |
.mkv | Matroska |
.avi | Audio Video Interleave |
.mov | QuickTime |
.wmv | Windows Media Video |
.flv | Flash Video |
.mpeg / .mpg | MPEG-1/2 Program Stream |
.ts | MPEG Transport Stream |
.webm | WebM (Matroska subset) |
.m4v | MPEG-4 Video |
.3gp | 3GPP Mobile |
.ogv | Ogg Video |
.mts / .m2ts | AVCHD Blu-ray |
.divx | DivX |
.asf | Advanced Systems Format |
.rm / .rmvb | RealMedia |
.f4v | Flash Video (H.264) |
Extension matching is case-insensitive.
Output formats
| Format | Extension | Default video | Default audio |
|---|---|---|---|
| MP4 | .mp4 | H.264 | AAC |
| MKV | .mkv | H.264 | AAC |
| WebM | .webm | VP9 | Opus |
| MOV | .mov | H.264 | AAC |
| AVI | .avi | H.264 | MP3 |
| TS | .ts | H.264 | AAC |
Video codecs
| Codec | FFmpeg name |
|---|---|
| H.264 | libx264 |
| H.265 | libx265 |
| VP9 | libvpx-vp9 |
| AV1 | libaom-av1 |
| MPEG-4 | mpeg4 |
| Copy | copy (no re-encode) |
Audio codecs
| Codec | FFmpeg name |
|---|---|
| AAC | aac |
| MP3 | libmp3lame |
| Opus | libopus |
| AC3 | ac3 |
| FLAC | flac |
| Copy | copy (no re-encode) |
Resolutions
Original · 4K (3840×2160) · 2K (2560×1440) · 1080p · 720p · 480p · 360p
Frame rates
Original · 24 · 25 · 30 · 48 · 60 fps
Encoding presets
ultrafast · superfast · veryfast · faster · fast · medium · slow · slower · veryslow
CRF range
0 (lossless) — 23 (default) — 51 (worst).
Audio bitrates
Auto · 96k · 128k · 192k · 256k · 320k