Media

Video Quality Adjust

Adjust video quality using CRF (Constant Rate Factor) and encoding presets, from lossless to highly compressed

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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-quality-adjust' \
  -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-quality-adjust' \
  -F 'videoFile=/path/to/file.ext' \
  -F 'qualityPreset=good' \
  -F 'customCrf=23' \
  -F 'customPreset=medium' \
  -F 'tune=film' \
  -F 'scalePercent=100' \
  -F 'outputFormat=mp4'

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-quality-adjust

Parameters

Name	Type	Required	Description
videoFile	fileupload required	Yes	—
qualityPreset	select	No	—
customCrf	number	No	CRF value (0 = lossless, 23 = default, 51 = worst quality)
customPreset	select	No	—
tune	select	No

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-quality-adjust": {
      "name": "video-quality-adjust",
      "description": "Adjust video quality using CRF (Constant Rate Factor) and encoding presets, from lossless to highly compressed",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=video-quality-adjust",
      "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-quality-adjust",
    "arguments": {
  "videoFile": "https://example.com/file.ext",
  "qualityPreset": "good",
  "customCrf": 23,
  "customPreset": "medium",
  "tune": "film",
  "scalePercent": 100,
  "outputFormat": "mp4"
}
  }
}

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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