Add Image to PDF reads the page, x, y, width, and height values from the submitted form fields and converts each to a number before placing the image.
Adobe's own Acrobat SDK documentation places the PDF coordinate system's origin at the bottom-left of the page, measured in units of 1/72 of an inch, called points. Coordinate Systems
Add Image to PDFAdd Image to PDF at Exact Position
The image is drawn onto the selected page with coordinates counted from the displayed page's bottom-left corner.
Enter the X and Y values in the form fields to set the image's lower-left corner relative to the page origin.
Set the width and height values to define the image's dimensions in PDF points.
Mapping Form Fields to PDF Coordinates
Select the target page number before entering coordinate values.
Measure the desired spot from the page's lower-left corner to determine the correct X and Y inputs.
Placing an Image at a Measured Spot
Upload the PDF file and the image file to begin the placement process.
Submit the form to generate the updated PDF with the image at the specified coordinates.
Continue with Outside Page Bounds Error or Single Page Target.
Frequently Asked Questions about Add Image to PDF at Exact Position
How do I set the image position?
Type numeric X and Y coordinates measured from the bottom-left origin.
Where do I define the image size?
Type the image's target width and height in points before submitting.
How do I choose the correct page?
Pick the page number that should receive the image.
What files do I need to upload?
Add both the PDF and the image file before setting coordinates.