Image Converter

Convert images between formats and resize them.

Endpoint

POST https://www.acrewity.com/api/services/execute

Authentication

Include your API key in the Authorization header:

Authorization: Bearer YOUR_API_KEY

n8n Integration

This service is also available via our n8n community node: @acrewity/n8n-nodes-acrewity

Operations

Convert Image

Convert images between formats with optional resizing. Provide ONE of: imageUrl (or image_url/url), imageFile (or image_file/file), or imageData (or image_data/data/image).

Operation ID: convert_image

Parameters

Parameter	Type	Required	Default	Description
`format`	string	Yes	-	Target image format Options: `jpg`, `jpeg`, `png`, `webp`, `gif`, `bmp`, `tiff`, `ico`
`imageUrl`	string	No	-	URL of image to convert. Aliases: image_url, url
`imageFile`	file	No	-	Base64 encoded image file. Aliases: image_file, file
`imageData`	string	No	-	Base64 image data (with or without data URI prefix). Aliases: image_data, data, image
`quality`	number	No	`85`	Image quality (1-100) (min: 1, max: 100)
`width`	number	No	-	Resize width in pixels (maintains aspect ratio) (min: 1, max: 10000)
`height`	number	No	-	Resize height in pixels (maintains aspect ratio) (min: 1, max: 10000)

Example Request

Convert PNG to WebP (from URL):

{
  "service": "image-converter",
  "operation": "convert_image",
  "parameters": {
    "imageUrl": "https://example.com/images/hero-image.png",
    "format": "webp",
    "quality": 85
  }
}

Convert and Resize for Thumbnail:

{
  "service": "image-converter",
  "operation": "convert_image",
  "parameters": {
    "imageUrl": "https://example.com/images/product-photo.jpg",
    "format": "jpeg",
    "quality": 80,
    "width": 300,
    "height": 200
  }
}

Convert Base64 Image:

{
  "service": "image-converter",
  "operation": "convert_image",
  "parameters": {
    "imageData": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...",
    "format": "webp",
    "quality": 90
  }
}

Example Response

{
  "success": true,
  "result": {
    "data": {
      "filename": "image-1735567890123.webp",
      "contentType": "image/webp",
      "size": 45320,
      "content": "UklGRhYAAABXRUJQVlA4TAoAAAAvAQA...",
      "downloadUrl": "/api/downloads/image-1735567890123.webp",
      "downloadable": true,
      "metadata": {
        "originalSize": 125000,
        "convertedSize": 45320,
        "format": "webp",
        "quality": 85,
        "dimensions": { "width": 1920, "height": 1080 },
        "compressionRatio": 64
      }
    }
  },
  "credits_used": 1
}

More Examples

See Visual Content Generation Examples for complete workflow examples including image optimization, thumbnail generation, and CDN preparation.