Media

Video Background Remove (Chroma Key)

Remove solid color backgrounds from video using chroma key (green screen, blue screen, etc.)

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-background-remove' \
  -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-background-remove' \
  -F 'videoFile=/path/to/file.ext' \
  -F 'keyColor=0x00FF00' \
  -F 'customColor=#00FF00' \
  -F 'similarity=0.3' \
  -F 'blend=0.1' \
  -F 'outputFormat=webm'

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-background-remove

Parameters

Name	Type	Required	Description
videoFile	fileupload required	Yes	—
keyColor	select	No	—
customColor	color	No	Select custom background color to remove (when Key Color is set to Custom)
similarity	range	No	Color matching tolerance (0-1). Higher values remove more similar colors.
blend	range

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-background-remove": {
      "name": "video-background-remove",
      "description": "Remove solid color backgrounds from video using chroma key (green screen, blue screen, etc.)",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=video-background-remove",
      "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-background-remove",
    "arguments": {
  "videoFile": "https://example.com/file.ext",
  "keyColor": "0x00FF00",
  "customColor": "#00FF00",
  "similarity": 0.3,
  "blend": 0.1,
  "outputFormat": "webm"
}
  }
}

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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