ConvertOnline

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

{
  "convert": "webm-mpeg",
  "multiple": true,
  "from": "webm",
  "to": "mpeg",
  "controls": [
    {
      "type": "number",
      "name": "vframes",
      "label": "Number of Frames",
      "optional": true,
      "range": {
        "min": 1,
        "max": 100000
      },
      "desc": "Specifies the number of video frames to output. Useful for trimming short clips or previews. Leave blank to convert the full video."
    },
    {
      "type": "dropdown",
      "name": "frame_rate",
      "label": "Frame Rate (FPS)",
      "options": [
        {
          "label": "15 FPS",
          "value": 15
        },
        {
          "label": "24 FPS (Film)",
          "value": 24
        },
        {
          "label": "30 FPS (Standard)",
          "value": 30
        },
        {
          "label": "60 FPS (Smooth)",
          "value": 60
        }
      ],
      "defaultValue": 30,
      "desc": "Sets the number of frames per second in the output video. Higher frame rates offer smoother playback but increase file size."
    },
    {
      "type": "text",
      "name": "size",
      "label": "Frame Size (Resolution)",
      "placeholder": "e.g. 1920x1080 or 1280x720",
      "desc": "Specifies the resolution of the output video in width x height format (e.g. 1920x1080). Leave blank to keep the original size."
    },
    {
      "type": "dropdown",
      "name": "aspect",
      "label": "Aspect Ratio",
      "options": [
        {
          "label": "Original",
          "value": ""
        },
        {
          "label": "4:3",
          "value": "4:3"
        },
        {
          "label": "16:9",
          "value": "16:9"
        },
        {
          "label": "1.3333",
          "value": "1.3333"
        },
        {
          "label": "1.7777",
          "value": "1.7777"
        }
      ],
      "defaultValue": "",
      "desc": "Sets the display aspect ratio for the output video. Leave as 'Original' to retain source aspect ratio."
    },
    {
      "type": "dropdown",
      "name": "video_bitrate",
      "label": "Video Bitrate",
      "options": [
        {
          "label": "500 kbps",
          "value": "500k"
        },
        {
          "label": "1000 kbps (Standard)",
          "value": "1000k"
        },
        {
          "label": "2000 kbps",
          "value": "2000k"
        },
        {
          "label": "4000 kbps (High Quality)",
          "value": "4000k"
        }
      ],
      "defaultValue": "1000k",
      "desc": "Controls the quality and file size of the output video. Higher bitrates improve quality but increase size."
    },
    {
      "type": "dropdown",
      "name": "audio_bitrate",
      "label": "Audio Bitrate",
      "options": [
        {
          "label": "64 kbps",
          "value": "64k"
        },
        {
          "label": "128 kbps (Standard)",
          "value": "128k"
        },
        {
          "label": "192 kbps",
          "value": "192k"
        },
        {
          "label": "256 kbps",
          "value": "256k"
        }
      ],
      "defaultValue": "128k",
      "desc": "Specifies the bitrate for the audio stream. Higher values offer better audio quality but increase file size."
    }
  ],
  "note": "When converting WebM to MPEG, options such as frame rate, resolution, bitrate, and aspect ratio can significantly affect the output size and quality. MPEG is suitable for legacy devices and DVDs, while WebM is web-optimized. Bitrate controls are critical for managing compression levels during conversion.",
  "type": "video",
  "operation": "convert"
}