Media

Convert ICO to WebP

Convert ICO icon files to WebP format with modern compression and transparency support

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/ico-to-webp' \
  -F 'file=@/path/to/icoFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/ico-to-webp' \
  -F 'icoFile=/path/to/file.ext' \
  -F 'width=0' \
  -F 'height=0' \
  -F 'extractSize=auto' \
  -F 'quality=80' \
  -F 'lossless=false' \
  -F 'effort=4' \
  -F 'method=4' \
  -F 'preserveTransparency=true' \
  -F 'backgroundColor='

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/ico-to-webp

Parameters

Name	Type	Required	Description
icoFile	fileupload required	Yes	—
width	number	No	Output width in pixels (optional)
height	number	No	Output height in pixels (optional)
extractSize	select	No	—
quality	range	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-ico-to-webp": {
      "name": "ico-to-webp",
      "description": "Convert ICO icon files to WebP format with modern compression and transparency support",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=ico-to-webp",
      "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": "ico-to-webp",
    "arguments": {
  "icoFile": "https://example.com/file.ext",
  "width": 0,
  "height": 0,
  "extractSize": "auto",
  "quality": 80,
  "lossless": false,
  "effort": 4,
  "method": 4,
  "preserveTransparency": true,
  "backgroundColor": ""
}
  }
}

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).