{"id":141489,"date":"2026-02-20T19:43:20","date_gmt":"2026-02-20T17:43:20","guid":{"rendered":"https:\/\/www.javacodegeeks.com\/?p=141489"},"modified":"2026-02-20T19:43:23","modified_gmt":"2026-02-20T17:43:23","slug":"pdf-files-in-python-a-pypdf-example","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/pdf-files-in-python-a-pypdf-example.html","title":{"rendered":"PDF Files In Python &#8211; A PyPDF Example"},"content":{"rendered":"<p>PDF files are widely used for reports, invoices, contracts, and documentation, but automating tasks such as reading, extracting text, or combining files can be challenging without the right tools. Python makes this much easier with <a href=\"https:\/\/pypdf.readthedocs.io\/en\/stable\/\" target=\"_blank\" rel=\"noreferrer noopener\">PyPDF<\/a>, a lightweight and well-maintained library for working with PDF files programmatically. This article explains how to work with PDF files in Python using PyPDF, a modern and actively maintained library designed for reading, writing, and manipulating PDFs.<\/p>\n<h2 class=\"wp-block-heading\">1. Prerequisites<\/h2>\n<ul class=\"wp-block-list\">\n<li>Python 3.8+<\/li>\n<li>Basic Python knowledge.<\/li>\n<li>One or more PDF files to test with.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">2. What Is PyPDF?<\/h2>\n<p>PyPDF is a pure Python library for reading, writing, and manipulating PDF files programmatically. It allows us to extract text, split and merge documents, rotate or reorder pages, and create new PDFs without relying on external tools or system dependencies. Because it is lightweight, actively maintained, and easy to integrate, PyPDF is well-suited for automation scripts, backend services, and document processing workflows in Python applications.<\/p>\n<h2 class=\"wp-block-heading\">3. Installing PyPDF<\/h2>\n<p>Install PyPDF using <code>pip<\/code>:<\/p>\n<pre class=\"brush:bash\">\npip install pypdf\n<\/pre>\n<p>On many systems, especially macOS and Linux, <code>pip<\/code> is not installed by default, but <code>pip3<\/code> is.<\/p>\n<pre class=\"brush:bash\">\npip3 install pypdf\n<\/pre>\n<h3 class=\"wp-block-heading\">3.1 How to Use PyPDF<\/h3>\n<p>Using PyPDF typically involves three simple steps: loading a PDF, performing an operation, and saving the result. A PDF file is opened with <code>PdfReader<\/code>, which provides access to its pages and metadata. Any changes or new documents are handled with <code>PdfWriter<\/code>, where pages can be added, removed, or reordered. Once the desired operations are complete, the output is written to a new PDF file. <\/p>\n<p>This straightforward workflow makes PyPDF easy to use for common tasks such as text extraction, splitting pages, and merging multiple documents.<\/p>\n<h2 class=\"wp-block-heading\">4. Reading a PDF File<\/h2>\n<p>Before performing any operations, you need to load the PDF and inspect its structure.<\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader\n\n# Load the PDF\nreader = PdfReader(\"javafxmobile.pdf\")\n\n# Print basic information\nprint(\"Total pages:\", len(reader.pages))\n<\/pre>\n<p><strong>Output<\/strong><\/p>\n<pre class=\"brush:plain\">\nTotal pages: 10\n<\/pre>\n<p>This confirms that the PDF has been loaded successfully and shows how many pages it contains.<\/p>\n<h2 class=\"wp-block-heading\">5. Extracting Text from a PDF<\/h2>\n<p>Extracting text is one of the most common tasks when working with PDFs, whether for search indexing, data analysis, or content processing.<\/p>\n<p><strong>Extract Text from a Single Page<\/strong><\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader\n\nreader = PdfReader(\"javafxmobile.pdf\")\n\n# Extract text from the first page\npage = reader.pages[0]\ntext = page.extract_text()\n\nprint(text)\n<\/pre>\n<p><strong>Extract Text from All Pages<\/strong><div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<p>Sometimes you need to extract text from every page in a PDF, for example, to analyze the entire document or prepare it for search indexing. PyPDF makes it easy to loop through all pages and retrieve their content systematically.<\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader\n\nreader = PdfReader(\"javafxmobile.pdf\")\n\nfor i, page in enumerate(reader.pages):\n    text = page.extract_text()\n    print(f\"--- Page {i + 1} ---\")\n    print(text)\n<\/pre>\n<div class=\"tip\"><strong>Note<\/strong><br \/>Text extraction from PDFs is not always perfect. PDFs store content according to layout rather than reading order, so extracted text can sometimes appear jumbled or have missing spaces. However, for most well-structured documents, PyPDF provides reliable and usable results.<\/div>\n<h2 class=\"wp-block-heading\">6. Splitting PDF Pages<\/h2>\n<p>Splitting PDFs is useful when extracting individual pages or separating large documents.<\/p>\n<p><strong>Split Each Page into a Separate PDF<\/strong><\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader, PdfWriter\n\nreader = PdfReader(\"javafxmobile.pdf\")\n\nfor index, page in enumerate(reader.pages):\n    writer = PdfWriter()\n    writer.add_page(page)\n\n    output_filename = f\"page_{index + 1}.pdf\"\n    with open(output_filename, \"wb\") as output_file:\n        writer.write(output_file)\n\n    print(f\"Created {output_filename}\")\n\n<\/pre>\n<p>Each page is now saved as its own PDF file.<\/p>\n<p><strong>Extract a Specific Page Range<\/strong><\/p>\n<p>If you only need certain pages from a PDF, like a chapter from a report or selected invoices, you can extract a specific range of pages and save them as a new PDF.<\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader, PdfWriter\n\nreader = PdfReader(\"javafxmobile.pdf\")\nwriter = PdfWriter()\n\n# Extract pages 2 to 4 (0-based indexing)\nfor i in range(1, 4):\n    writer.add_page(reader.pages[i])\n\nwith open(\"pages_2_to_4.pdf\", \"wb\") as output_file:\n    writer.write(output_file)\n\nprint(\"pages_2_to_4.pdf created\")\n<\/pre>\n<h2 class=\"wp-block-heading\">7. Merging Multiple PDF Files<\/h2>\n<p>Merging PDFs is ideal for combining reports, invoices, or documents generated by different systems.<\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader, PdfWriter\n\nfiles_to_merge = [\"document1.pdf\", \"document2.pdf\", \"document3.pdf\"]\n\nwriter = PdfWriter()\n\nfor file_name in files_to_merge:\n    reader = PdfReader(file_name)\n    for page in reader.pages:\n        writer.add_page(page)\n\nwith open(\"merged.pdf\", \"wb\") as output_file:\n    writer.write(output_file)\n\nprint(\"merged.pdf created successfully\")\n<\/pre>\n<p>The resulting file preserves the order of pages from each source PDF.<\/p>\n<h2 class=\"wp-block-heading\">8. Encryption and Decryption of PDFs<\/h2>\n<p>PyPDF allows us to secure PDFs with a password or unlock encrypted PDFs for reading and processing.<\/p>\n<p><strong>Encrypting a PDF<\/strong><\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader, PdfWriter\n\n# Load the PDF\nreader = PdfReader(\"javafxmobile.pdf\")\nwriter = PdfWriter()\n\n# Copy all pages\nfor page in reader.pages:\n    writer.add_page(page)\n\n# Encrypt the PDF with a password\nwriter.encrypt(user_password=\"mypassword\", owner_password=\"ownerpassword\")\n\n# Save the encrypted PDF\nwith open(\"encrypted_sample.pdf\", \"wb\") as file:\n    writer.write(file)\n\nprint(\"encrypted_sample.pdf created with password protection\")\n\n<\/pre>\n<p><strong>Decrypting a PDF<\/strong><\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader\n\n# Load the encrypted PDF\nreader = PdfReader(\"encrypted_sample.pdf\")\n\n# Provide the password to decrypt\nreader.decrypt(\"mypassword\")\n\n# Access pages after decryption\nprint(\"Total pages after decryption:\", len(reader.pages))\n<\/pre>\n<p>Encryption is useful for protecting sensitive documents, and decryption allows us to process secured files programmatically.<\/p>\n<h2 class=\"wp-block-heading\">9. Adding a Watermark to a PDF<\/h2>\n<p>You can overlay an existing PDF (like a watermark or company logo) on all pages of another PDF.<\/p>\n<pre class=\"brush:python\">\nfrom pypdf import PdfReader, PdfWriter\n\n# Load the original PDF and the watermark PDF\nwriter = PdfWriter(clone_from=\"javafxmobile.pdf\")\nwatermark = PdfReader(\"page_1.pdf\").pages[0]\n\n# Apply watermark to every page\nfor page in writer.pages:\n    page.merge_page(watermark, over=False)\n\n# Save the watermarked PDF\nwith open(\"watermarked_sample.pdf\", \"wb\") as file:\n    writer.write(file)\n\nprint(\"watermarked_sample.pdf created with watermark applied\")\n<\/pre>\n<div class=\"tip\"><strong>Tip<\/strong><br \/>The watermark PDF can be semi-transparent text or a logo, designed to appear on every page.<\/div>\n<p><strong>Adding a Watermark or Stamp to a PDF (Using an Image)<\/strong><\/p>\n<p>We can overlay an image on every page of a PDF as a watermark or stamp. First, we need to convert the image to a PDF page. This can be done using the <a href=\"https:\/\/pypi.org\/project\/pillow\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pillow<\/a> library.<\/p>\n<pre class=\"brush:python\">\nfrom io import BytesIO\n\nfrom PIL import Image\nfrom pypdf import PdfReader, PdfWriter, Transformation\n\n\npdf_path = \"javafxmobile.pdf\"\nimage_path = \"logo.png\"\noutput_pdf = \"watermarked_sample.pdf\"\n\n# Step 1: Convert the image to a PDF in memory\nimg = Image.open(image_path)\nimg_as_pdf = BytesIO()\nimg.save(img_as_pdf, \"pdf\")\n\n# Load the image PDF as a stamp page\nstamp_pdf = PdfReader(img_as_pdf)\nstamp_page = stamp_pdf.pages[0]\n\n# Load the PDF you want to watermark\nreader = PdfReader(pdf_path)\nwriter = PdfWriter()\n\n# Merge the stamp page on every page of the PDF\nfor page in reader.pages:\n    page.merge_transformed_page(\n        stamp_page,\n        Transformation()\n    )\n    writer.add_page(page)\n\n# Step 4: Save the new PDF\nwith open(output_pdf, \"wb\") as f:\n    writer.write(f)\n\nprint(f\"{output_pdf} created successfully with image watermark\")\n<\/pre>\n<p>The script imports the necessary libraries: <code>BytesIO<\/code> for in-memory streams, Pillow (<code>Image<\/code>) for handling images, and PyPDF (<code>PdfReader<\/code>, <code>PdfWriter<\/code>, <code>Transformation<\/code>) for PDF manipulation. It defines file paths for the original PDF, the watermark image, and the output PDF.<\/p>\n<p>The image is opened with Pillow and saved as a PDF in memory using <code>BytesIO()<\/code>. This avoids creating a temporary file. The script loops through each page, merging the watermark using <code>merge_transformed_page<\/code> with no transformations applied, and adds the modified pages to the writer. <\/p>\n<p>Finally, the watermarked pages are saved to a new PDF. This efficiently applies an image watermark to every page of the PDF.<\/p>\n<h2 class=\"wp-block-heading\">10. Conclusion<\/h2>\n<p>In this article, we explored how to work with PDF files in Python using PyPDF. We covered reading PDFs, extracting text, splitting pages, merging multiple files, encrypting and decrypting documents, and adding watermarks using images. By combining PyPDF with Pillow for image handling, Python developers can automate PDF workflows efficiently, making tasks such as document processing, reporting, and content management much easier and more programmatic.<\/p>\n<p>This article explored how to work with PDF files in Python using PyPDF as a guide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PDF files are widely used for reports, invoices, contracts, and documentation, but automating tasks such as reading, extracting text, or combining files can be challenging without the right tools. Python makes this much easier with PyPDF, a lightweight and well-maintained library for working with PDF files programmatically. This article explains how to work with PDF &hellip;<\/p>\n","protected":false},"author":128888,"featured_media":219,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1878],"tags":[5124,5126,5128,5125,224,5127],"class_list":["post-141489","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-pdf-automation","tag-pdf-encryption","tag-pdf-watermark","tag-pypdf","tag-python","tag-text-extraction"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PDF Files In Python - A PyPDF Example - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"Learn to manage files, extract text, merge pages in modern python libraries like pypdf for pdf documents efficiently.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.javacodegeeks.com\/pdf-files-in-python-a-pypdf-example.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PDF Files In Python - A PyPDF Example - Java Code Geeks\" \/>\n<meta property=\"og:description\" content=\"Learn to manage files, extract text, merge pages in modern python libraries like pypdf for pdf documents efficiently.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.javacodegeeks.com\/pdf-files-in-python-a-pypdf-example.html\" \/>\n<meta property=\"og:site_name\" content=\"Java Code Geeks\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/javacodegeeks\" \/>\n<meta property=\"article:author\" content=\"https:\/\/web.facebook.com\/omos.aziegbe\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-20T17:43:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-20T17:43:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/python-logo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"150\" \/>\n\t<meta property=\"og:image:height\" content=\"150\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Omozegie Aziegbe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/OAziegbe\" \/>\n<meta name=\"twitter:site\" content=\"@javacodegeeks\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Omozegie Aziegbe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/pdf-files-in-python-a-pypdf-example.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/pdf-files-in-python-a-pypdf-example.html\"},\"author\":{\"name\":\"Omozegie Aziegbe\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#\\\/schema\\\/person\\\/7d3eac6e45542536e961129ae0fb453e\"},\"headline\":\"PDF Files In Python &#8211; 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