When dealing with PDF files, you might sometimes need to crop pages in the PDF to remove unnecessary margins, borders, or unwanted content. By doing so, you can make the document conform to specific design requirements or page sizes, ensuring a more aesthetically pleasing or functionally optimized output. This article will introduce how to crop pages in PDF in Python using Spire.PDF for Python.
Install Spire.PDF for Python
This scenario requires Spire.PDF for Python. It can be easily installed in your Windows through the following pip command.
pip install Spire.PDF
If you are unsure how to install, please refer to this tutorial: How to Install Spire.PDF for Python on Windows
Crop a PDF Page in Python
Spire.PDF for Python allows you specify a rectangular area, and then use the PdfPageBase.CropBox property to crop page to the specified area. The following are the detailed steps.
- Create a PdfDocument instance.
- Load a PDF file using PdfDocument.LoadFromFile() method.
- Get a specified page using PdfDocument.Pages[] property.
- Crop the page to the specified area using PdfPageBase.CropBox property.
- Save the result file using PdfDocument.SaveToFile() method.
- Python
from spire.pdf.common import *
from spire.pdf import *
# Create a PdfDocument object
pdf = PdfDocument()
# Load a PDF file from disk
pdf.LoadFromFile("Sample1.pdf")
# Get the first page
page = pdf.Pages[0]
# Crop the page by the specified area
page.CropBox = RectangleF(0.0, 300.0, 600.0, 260.0)
# Save the result file
pdf.SaveToFile("CropPDF.pdf")
pdf.Close()
Crop a PDF Page and Export as an Image in Python
To accomplish this task, you can use the PdfDocument.SaveAsImage(pageIndex: int) method to convert a cropped PDF page to an image stream. The following are the detailed steps.
- Create a PdfDocument instance.
- Load a PDF file using PdfDocument.LoadFromFile() method.
- Get a specified page using PdfDocument.Pages[] property.
- Crop the page to the specified area using PdfPageBase.CropBox property.
- Convert the cropped page to an image stream using PdfDocument.SaveAsImage() method.
- Save the image as a PNG, JPG or BMP file using Stream.Save() method.
- Python
from spire.pdf.common import *
from spire.pdf import *
# Create a PdfDocument object
pdf = PdfDocument()
# Load a PDF file from disk
pdf.LoadFromFile("Sample1.pdf")
# Get the first page
page = pdf.Pages[0]
# Crop the page by the specified area
page.CropBox = RectangleF(0.0, 300.0, 600.0, 260.0)
# Convert the page to an image
with pdf.SaveAsImage(0) as imageS:
# Save the image as a PNG file
imageS.Save("CropPDFSaveAsImage.png")
pdf.Close()
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