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Media

Batch Image Crop

Batch crop multiple images to specific dimensions or aspect ratios with custom positioning. Returns cropped images as a ZIP download.

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-batch-crop' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"imageFiles.ext","contentType":"application/octet-stream","size":12345}'

# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
  --data-binary @/path/to/file.ext

# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/image-batch-crop' \
  -F 'imageFiles=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'cropMode=square' \
  -F 'aspectRatio=16:9' \
  -F 'width=0' \
  -F 'height=0' \
  -F 'gravity=center' \
  -F 'x=0' \
  -F 'y=0' \
  -F 'format=original' \
  -F 'quality=90' \
  -F 'keepOriginalNames=true'

© 2026 Elysia Tools. Developer documentation.

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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/image-batch-crop

Parameters

NameTypeRequiredDescription
imageFilesfileupload requiredYes—
cropModeselectYesChoose how to crop images: square, aspect ratio, exact dimensions, or custom positioning
aspectRatioselectNoSelect a predefined aspect ratio for cropping
widthnumberNoSet the exact width for cropped area
heightnumberNoSet the exact height for cropped area
gravityselectNoChoose where to position the crop area
xnumberNoSet the horizontal position for crop area (0 = left edge)
ynumberNoSet the vertical position for crop area (0 = top edge)
formatselectNoChoose output format or keep original
qualitynumberNoOutput quality for lossy formats
keepOriginalNamescheckboxNo—
File-type parameters must be uploaded first via POST /upload/image-batch-crop, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON
{
  "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)"
}

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-image-batch-crop": {
      "name": "image-batch-crop",
      "description": "Batch crop multiple images to specific dimensions or aspect ratios with custom positioning. Returns cropped images as a ZIP download.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=image-batch-crop",
      "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": "image-batch-crop",
    "arguments": {
  "imageFiles": "https://example.com/file.ext",
  "cropMode": "square",
  "aspectRatio": "16:9",
  "width": 0,
  "height": 0,
  "gravity": "center",
  "x": 0,
  "y": 0,
  "format": "original",
  "quality": 90,
  "keepOriginalNames": 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).
File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]

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