Image Canvas Extender

Basic image canvas extension tool for adding space around images with various fill strategies

Image File *

Click to upload file or drag and drop file here

Maximum file size: 20MB Supported formats: image/jpeg, image/png, image/webp, image/tiff, image/gif, image/bmp

Upload any image file (JPEG, PNG, WebP, TIFF, GIF, BMP)

Extend Mode *

Choose how to extend the image canvas

Extension Method *

Choose how to fill the extended area

Background Color

Background color for the extended area (default: white)

Uniform Padding (pixels)

Padding to add on all sides when using uniform mode

Top Padding (pixels)

Padding to add to the top edge

Right Padding (pixels)

Padding to add to the right edge

Bottom Padding (pixels)

Padding to add to the bottom edge

Left Padding (pixels)

Padding to add to the left edge

Output Format

Choose output format or keep original

Quality (1-100)

Output quality for lossy formats (JPEG, WebP). Higher = better quality but larger file size

API Documentation

Request Endpoint

POST /en/api/tools/image-extend

Request Parameters

Parameter Name	Type	Required	Description
imageFile	file (Upload required)	Yes	Upload any image file (JPEG, PNG, WebP, TIFF, GIF, BMP)
extendMode	select	Yes	Choose how to extend the image canvas
extendWith	select	Yes	Choose how to fill the extended area
backgroundColor	color	No	Background color for the extended area (default: white)
uniformPadding	number	No	Padding to add on all sides when using uniform mode
topPadding	number	No	Padding to add to the top edge
rightPadding	number	No	Padding to add to the right edge
bottomPadding	number	No	Padding to add to the bottom edge
leftPadding	number	No	Padding to add to the left edge
format	select	No	Choose output format or keep original
quality	number	No	Output quality for lossy formats (JPEG, WebP). Higher = better quality but larger file size

File type parameters need to be uploaded first via POST /upload/image-extend 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-extend": {
      "name": "image-extend",
      "description": "Basic image canvas extension tool for adding space around images with various fill strategies",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-extend",
      "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]