Image Threshold

Apply threshold operation to convert images to black and white based on pixel intensity

Image File *

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/png, image/webp, image/gif, image/bmp, image/tiff

Threshold Value (0-255) *

Pixels with value >= threshold become white (255), others become black (0)

Convert to Greyscale First

If checked, the image will be converted to greyscale before applying threshold

API Documentation

Request Endpoint

POST /en/api/tools/image-threshold

Request Parameters

Parameter Name	Type	Required	Description
imageFile	file (Upload required)	Yes	-
threshold	number	Yes	Pixels with value >= threshold become white (255), others become black (0)
greyscale	checkbox	No	If checked, the image will be converted to greyscale before applying threshold

File type parameters need to be uploaded first via POST /upload/image-threshold to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

File: File

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-image-threshold": {
      "name": "image-threshold",
      "description": "Apply threshold operation to convert images to black and white based on pixel intensity",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-threshold",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]