Media

Video Audio Volume

Adjust the audio volume in a video file by increasing, decreasing, or normalizing sound levels

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

# 1) Upload each file first → returns { filePath }
curl -X POST 'https://api.elysiatools.com/upload/video-audio-volume' \
  -F 'file=@/path/to/videoFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/video-audio-volume' \
  -F 'videoFile=/path/to/file.ext' \
  -F 'volume=100' \
  -F 'outputFormat=mp4' \
  -F 'videoCopy=true'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/video-audio-volume

Parameters

Name	Type	Required	Description
videoFile	fileupload required	Yes	—
volume	range	No	Audio volume level (0 = mute, 100 = original, 200 = double, max 500)
outputFormat	select	No	—
videoCopy	checkbox	No	Copy video stream without re-encoding (faster, no quality loss)

File-type parameters must be uploaded first via POST /upload/video-audio-volume, then the returned filePath is passed to the corresponding file field.

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-video-audio-volume": {
      "name": "video-audio-volume",
      "description": "Adjust the audio volume in a video file by increasing, decreasing, or normalizing sound levels",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=video-audio-volume",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "video-audio-volume",
    "arguments": {
  "videoFile": "https://example.com/file.ext",
  "volume": 100,
  "outputFormat": "mp4",
  "videoCopy": true
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

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