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How to scale an image

To scale an image, send it with a factor to the 1001fx function scaleimage – from Make, n8n or the 1001fx app. A factor of 0.5 halves width and height, 2 doubles them, and the aspect ratio stays the same.

Get your free API keyTry it in the appscaleimage reference

The fields

The same in the 1001fx app, Make, n8n and AI assistants. scaleimage costs 3 credits per call.

file
– The image from the previous step.
factor
– The scale factor, greater than 0 and up to 10, for example 0.5 for half the size.

All parameters and examples: scaleimage reference.

Example

What you send to scaleimage and what comes back – the same in every tool.

Image scaling by factor 2

Scales an image by the given factor

Input

Expects one image file named as file parameter: file
{
  "factor": "2",
  "files": [
    {
      "name": "1600x900.png",
      "type": "image/png",
      "path": "testdata/images/1600x900.png"
    }
  ]
}

Output · HTTP 200

Result is a single file.
{
  "statusCode": 200,
  "headers": {
    "content-type": "image/png"
  }
}
Show curl command
curl -X POST 'https://api.1001fx.com/images/scaleimage' \
  -H 'X-API-KEY: YOURSECRETAPIKEY' \
  -F 'file=@1600x900.png' \
  -F 'factor=2'

In the 1001fx app

Without a scenario or workflow: run the function in your browser for a one-off task, or to try the fields before you build the automation.

scaleimage in the 1001fx app: the form with example values
Scale an Image in the 1001fx app
  1. 1

    Open the function

    Log in to the 1001fx app and open Functions → Scale an Image.

  2. 2

    Fill the fields

    Fill the fields as described above. Files can be uploaded from your computer.

  3. 3

    Run it

    Click Run. The answer appears next to the form; files come as a download. Each run is charged like an API call.

  4. 4

    Reuse the call

    The same page shows the call as cURL command, ready for scripts and other tools.

In Make

  1. 1

    Start the scenario

    Start with the module that delivers the image, for example Google Drive "Watch files in a folder" followed by "Download a file".

  2. 2

    Add the 1001fx module

    Add a module, search for 1001fx and pick “Scale an Image”. Select your 1001fx connection or create one with your API key.

  3. 3

    Fill the fields

    Fill the fields as described above, mapped from the previous steps.

  4. 4

    Use the result

    The module returns the scaled image as a file. Upload it with Google Drive "Upload a file" or pass it on to your shop or website.

Connecting 1001fx: 1001fx for Make.

In n8n

  1. 1

    Start the workflow

    Start with the node that delivers the image, for example a Google Drive Trigger followed by a Google Drive node that downloads the file.

  2. 2

    Add the 1001fx node

    Add a node, search for 1001fx and pick “Scale an Image”. Select your 1001fx credential or create one with your API key.

  3. 3

    Fill the fields

    Fill the fields as described above, mapped from the previous steps.

  4. 4

    Use the result

    The node returns the scaled image as a file. Upload it with a Google Drive node or pass it on to your shop or website.

Connecting 1001fx: 1001fx for n8n.

With an AI assistant (MCP)

Without building anything: connect your assistant to 1001fx once and ask for the result in your own words.

  1. 1

    Connect your assistant

    Add the 1001fx MCP server to Claude, Cursor or another MCP client and log in to 1001fx.

  2. 2

    Ask for the result

    Describe what you need and mention 1001fx, for example: "Use 1001fx to scale an image". The assistant finds images/scaleimage and fills its fields.

  3. 3

    Get the answer

    Pass files as links. File results come back as a temporary download link. Each run is charged like an API call.

Tips

  • For an exact size in pixels use resizeimage, for a maximum box use scaleimagetofit.
  • Remove the EXIF data in the same scenario with removeimageexif before you publish photos.

Frequently asked questions

What does a call cost?
3 credits per call.
Which factors are allowed?
Any factor greater than 0 and up to 10.
Ask 1001fx