Media

Convert PNG to Palette-based PNG

Convert PNG images to palette-based format with indexed colors for smaller file size

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/png-to-palette-png' \
  -F 'file=@/path/to/imageFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/png-to-palette-png' \
  -F 'imageFile=/path/to/file.ext' \
  -F 'colors=256' \
  -F 'quality=90' \
  -F 'compressionLevel=9' \
  -F 'dithering=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/png-to-palette-png

Parameters

Name	Type	Required	Description
imageFile	fileupload required	Yes	—
colors	number	No	Fewer colors = smaller file size but less color accuracy
quality	range	No	Quality of color quantization and dithering
compressionLevel	range	No	0 = no compression, 9 = maximum compression
dithering	checkbox

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-png-to-palette-png": {
      "name": "png-to-palette-png",
      "description": "Convert PNG images to palette-based format with indexed colors for smaller file size",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=png-to-palette-png",
      "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": "png-to-palette-png",
    "arguments": {
  "imageFile": "https://example.com/file.ext",
  "colors": 256,
  "quality": 90,
  "compressionLevel": 9,
  "dithering": 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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