Image to Base64 Converter for MCP Testing

Use this tool to convert a local image to a base64 string that can be used with the MCP server's multi_image_analysis tool.

Select an image:

Image Preview:

Base64 String:

How to use with MCP:

{
  "images": [
    {
      "url": "PASTE_BASE64_STRING_HERE"
    }
  ],
  "prompt": "Please describe this image in detail. What does it show?",
  "model": "qwen/qwen2.5-vl-32b-instruct:free"
}