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How to merge PDF files using Python programming language?

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Have you ever been in a situation when you had to merge multiple PDFs into one and thought, ‘how am I ever going to do this?’ You tried all the usual methods, like copying and pasting, zipping files together, using old scripts and even praying to the tech gods – but nothing seemed to work. If only there were an easy way for Python developers to merge PDFs!

But don’t worry – merging PDFs is actually quite simple if you know how.

So let’s look at how easy it can be to use the Python programming language with ConvertAPI’s PDF Merge API; it is a file conversion API that helps you convert, merge, and split various files.

It provides an easy-to-use REST API with powerful features such as Retaining Page Numbers, Removing Duplicate Fonts, support for multiple languages (including Java and C#), secure SSL/TLS encryption, and much more.

With the help of merge PDF Python API, you can combine files with just a few lines of code.

How to Merge with Python:

  1. Install the ConvertAPI Python client: pip install convertapi
  2. Import the convertapi and os modules: import convertapi and import os.
  3. Get your API Secret from here, and Set your API secret key: convertapi.api_secret = ‘your-api-secret’
  4. Call the convert() function of the ConvertAPI Client library, passing a merge operation, source files as a parameter, and from the format as PDF using this line:
    convertapi.convert(‘merge’, {
    Files: [
    ‘/path/to/sample-1.pdf’,
    ‘/path/to/sample-2.pdf’,
    ‘/path/to/sample-3.pdf’ ] }, from_format=’PDF’)
  5. Use the save_files() method of ConvertAPI Client to save merged PDFs output files in a given directory location; in this case, ‘/path/to/dir’:
    convertapi.save_files(‘/path/to/dir’).

Here is the full code snippet:

import convertapi
import os
import tempfile
# Code snippet is using the ConvertAPI Python Client: https://github.com/ConvertAPI/convertapi-python
# Read more about PDF Merge API: https://www.convertapi.com/pdf-to-merge
convertapi.api_secret = ‘your-api-secret’
convertapi.convert(‘merge’, {
Files: [
‘/path/to/sample-1.pdf’,
‘/path/to/sample-2.pdf’,
‘/path/to/sample-3.pdf’
]
}, from_format = ‘pdf’).save_files(‘/path/to/dir’)

That’s it! Now you know how to merge PDF files using Python! Let’s explore the benefits ConverAPI provides.

Advanced Parameters:

ConverAPI Supports Advanced Conversion and Merging Parameters.

For example, the RetainNumbering parameter tells ConvertAPI to keep the original PDF labels numbering rather than re-numbering merged PDF from the 1st page. This could be useful if you try maintaining page numbers when combining multiple documents.

The RemoveDuplicateFonts parameter removes duplicate fonts from source PDFs while merging them. This helps to reduce the size of the resulting merged file and makes it easier to process.

The BookmarksToc parameter adds a top-level bookmark for each file, using the filename or PDF title from metadata. This could be useful when creating a table of contents for merged documents, so readers can quickly navigate between sections.

The PageSize and PageOrientation parameters allow users to scale each page to fit a given page size and set the orientation of individual pages. This can be beneficial if you want your merged documents to have consistent layouts and formatting across multiple files.

Adding the above merge parameters can be done with a click by accessing advanced properties, and the code related to those parameters will get dynamically added to your code snippet.

This sentence is unclear. Where is it accessible with a click? How will it be added to the API? Btw, you cannot add or remove anything from the API, it is an interface of communication. You can add or remove parameters from the API call.

Benefits of ConvertAPI for merging PDFs using Python:

  1. Easy to use REST API: ConvertAPI’s REST API makes it easy to quickly integrate PDF merging into your Python project without requiring specialized programming knowledge.
  2. Advance Parameters: Advanced parameters can also be set when merging PDFs, such as retaining the numbering of the pages, removing duplicate fonts to increase performance, and creating a table of contents for the merged documents.
  3. Support for multiple languages: ConvertAPI supports Python and JavaScript, Node.js, PHP, Java, and many more languages.
  4. Secure: SSL/TLS encryption guarantees the privacy and security of your data during and after conversion.
  5. Free Trial: With the free trial, you can test the service before investing any money in a paid subscription.

Some Business Use cases:

Businesses often use ConvertAPI’s merge feature to combine PDFs to streamline workflow and increase efficiency.

Here are some of the most common use cases:

  1. Combining PDFs from multiple sources into a single document: Rather than manually combining each document, ConvertAPI allows businesses to quickly automate the process for more efficient workflows.
  2. Generating branded documents with logos and titles: Businesses can easily add branding elements such as logos and headers to their merged documents with the help of ConvertAPI’s API.
  3. Generating applications or forms that require multiple documents: By merging PDFs, businesses can create applications or forms that require information from multiple documents without having to manually copy and paste each time.
  4. Merging large collections of files into a single document: For example, businesses could easily combine hundreds of pages into a single booklet or portfolio using ConvertAPI’s merge API. This can be especially helpful when there are many versions of the same document since it helps keep everything organized in one place.
  5. Creating Table of Contents for merged documents: Businesses can easily use ConvertAPI’s API to generate tables of contents for merged documents, which makes them more convenient and easier to navigate for readers.
  6. Automating the process of archiving and filing paperwork: By merging multiple PDFs into one file, businesses can save time when filing paperwork and retrieving archived documents later on down the line.

It’s an excellent API for Software Developers, Web Developers, and System Administrators looking to quickly merge PDFs in Python. This can also be used for creating reports, presentations, e-books, newsletters, and more.

Whether you are a freelancer or working at an enterprise-level company, ConvertAPI’s Merge PDF API can help you save time and effort merging multiple documents into one PDF file using Python programming language.

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