ConvertOnline

Image

Audio

Video

Document

Color

1. Convert Online
2. Video Converters
3. MKV to MPEG

{
  "convert": "mkv-mpeg",
  "multiple": true,
  "from": "mkv",
  "to": "mpeg",
  "controls": [
    {
      "type": "number",
      "name": "vframes",
      "label": "Video Frame Limit",
      "optional": true,
      "range": {
        "min": 1,
        "max": 100000
      },
      "desc": "Sets the maximum number of video frames to output. Useful for trimming or testing. Leave blank to convert the full video."
    },
    {
      "type": "dropdown",
      "name": "r",
      "label": "Frame Rate (FPS)",
      "optional": true,
      "options": [
        {
          "label": "15 FPS",
          "value": 15
        },
        {
          "label": "24 FPS (Film)",
          "value": 24
        },
        {
          "label": "30 FPS (Standard)",
          "value": 30
        },
        {
          "label": "60 FPS (High Motion)",
          "value": 60
        }
      ],
      "defaultValue": 30,
      "desc": "Sets the output video frame rate. Higher frame rates give smoother motion but larger file size."
    },
    {
      "type": "text",
      "name": "s",
      "label": "Resolution (WxH)",
      "placeholder": "e.g. 1920x1080",
      "optional": true,
      "desc": "Sets the output resolution. Example: 1280x720 or 1920x1080. Leave blank to preserve the original size."
    },
    {
      "type": "dropdown",
      "name": "aspect",
      "label": "Aspect Ratio",
      "optional": true,
      "options": [
        {
          "label": "16:9 (Widescreen)",
          "value": "16:9"
        },
        {
          "label": "4:3 (Classic)",
          "value": "4:3"
        },
        {
          "label": "1.85:1 (Cinema)",
          "value": "1.85"
        },
        {
          "label": "2.39:1 (Scope)",
          "value": "2.39"
        }
      ],
      "defaultValue": "16:9",
      "desc": "Sets the display aspect ratio of the output video. Use this if your video appears stretched or squished."
    },
    {
      "type": "dropdown",
      "name": "bits_per_raw_sample",
      "label": "Bits Per Raw Sample",
      "optional": true,
      "options": [
        {
          "label": "8-bit",
          "value": 8
        },
        {
          "label": "10-bit",
          "value": 10
        }
      ],
      "defaultValue": 8,
      "desc": "Sets the number of bits per raw video sample. Higher bit depth improves color fidelity but increases file size."
    },
    {
      "type": "dropdown",
      "name": "b:v",
      "label": "Video Bitrate",
      "optional": true,
      "options": [
        {
          "label": "500 kbps (Low)",
          "value": "500k"
        },
        {
          "label": "1000 kbps",
          "value": "1000k"
        },
        {
          "label": "2000 kbps",
          "value": "2000k"
        },
        {
          "label": "4000 kbps (HD)",
          "value": "4000k"
        },
        {
          "label": "8000 kbps (Full HD)",
          "value": "8000k"
        }
      ],
      "defaultValue": "2000k",
      "desc": "Sets the target video bitrate. Higher bitrates give better video quality but produce larger files."
    },
    {
      "type": "text",
      "name": "timecode",
      "label": "Start Timecode",
      "optional": true,
      "placeholder": "hh:mm:ss[:;.]ff",
      "desc": "Sets the starting timecode for the MPEG video. This is optional and mostly used in editing workflows."
    },
    {
      "type": "dropdown",
      "name": "pass",
      "label": "Encoding Pass",
      "optional": true,
      "options": [
        {
          "label": "1-pass (faster)",
          "value": 1
        },
        {
          "label": "2-pass (better quality)",
          "value": 2
        }
      ],
      "defaultValue": 1,
      "desc": "Specifies the number of encoding passes. 2-pass encoding gives better compression at the cost of speed."
    }
  ],
  "type": "video"
}