In today's digital workplace, document conversion is a routine yet essential task. Among all format conversions, transforming Microsoft Word documents (doc, .docx) into PDF files stands out as one of the most frequently requested operations. Whether you are generating reports, creating shareable archives, or producing print-ready documents, Python offers several powerful approaches to accomplish this task efficiently.
Why Convert Word to PDF?
PDF (Portable Document Format) preserves formatting across platforms and devices, making it the ideal choice for final document distribution. Unlike Word documents, which can render differently depending on the software version, fonts, or operating system, a PDF file looks identical everywhere. This consistency is crucial for legal documents, resumes, academic papers, and business reports.
This article will introduce a practical Python document processing library — Spire.Doc for Python. This library supports full-cycle Word document operations including document creation, reading, editing, comparison and format conversion, and delivers high-precision conversion effects with simple code logic. The following section provides detailed implementation methods for common Word-to-PDF conversion scenarios.
- Convert Doc or Docx to PDF in Python
- Convert Word to Secured PDF in Python
- Convert Word to PDF with Fonts Embedded in Python
Convert Doc or Docx to Standard PDF in Python
This basic implementation enables the conversion of local Word documents (in both .doc and .docx formats) to standard PDF files with complete formatting retention.
from spire.doc import *
from spire.doc.common import *
# Create word document
document = Document()
# Load a doc or docx file
document.LoadFromFile("C:\\Users\\Administrator\\Desktop\\input.docx")
#Save the document to PDF
document.SaveToFile("output/ToPDF.pdf", FileFormat.PDF)
document.Close()
Convert Word to Password-Protected Secured PDF in Python
It is usually necessary to encrypt confidential business documents and private files before generating a PDF. The library supports the setting of passwords for opening documents and for granting permissions, as well as the configuration of encryption parameters, to protect file security.
from spire.doc import *
from spire.doc.common import *
# Create a Document object
document = Document()
# Load a Word file
document.LoadFromFile("C:\\Users\\Administrator\\Desktop\\input.docx")
# Create a ToPdfParameterList object
parameter = ToPdfParameterList()
# Specify open password and permission password
openPsd = "abc-123"
permissionPsd = "permission"
# Protect the PDF to be generated with open password and permission password
parameter.PdfSecurity.Encrypt(openPsd, permissionPsd, PdfPermissionsFlags.Default, PdfEncryptionKeySize.Key128Bit)
# Save the Word document to PDF
document.SaveToFile("output/ToPdfWithPassword.pdf", parameter)
document.Close()
Convert Word to PDF with Fonts Embedded in Python
Missing fonts are a common problem that can lead to distortion of the PDF format. Enabling font embedding during conversion packages all the fonts used in the original Word document into the PDF file, ensuring consistent display effects on any device without the need to install fonts.
from spire.doc import *
from spire.doc.common import *
# Create a Document object
document = Document()
# Load a Word file
document.LoadFromFile("C:\\Users\\Administrator\\Desktop\\input.docx")
# Create a ToPdfParameterList object
parameter = ToPdfParameterList()
# Embed fonts in PDF
parameter.IsEmbeddedAllFonts = True
# Save the Word document to PDF
document.SaveToFile("output/EmbedFonts.pdf", parameter)
document.Close()
Conclusion
Spire.Doc for Python allows developers to swiftly fulfill various Word-to-PDF conversion requirements, including standard, encrypted and font-embedded conversions. The solution features simple code, high conversion accuracy and reliable compatibility. It can be easily integrated into Python automation projects to help achieve efficient, standardized batch processing of office documents.
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