How to Download Protected PDF Files from Google Drive
Have you ever encountered a PDF file on Google Drive that you wanted to download, but couldn't because it had no download button? This means that the file is protected by the owner, who has disabled the download or print option for viewers. This can be frustrating, especially if you need to access or use the file offline. But don't worry, there are some ways to bypass this restriction and download protected PDF files from Google Drive. In this article, we will show you two methods that you can use to download protected PDF files from Google Drive using JavaScript code.
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What are Protected PDF Files and Why Do They Exist?
Protected PDF files are files that have restricted access or permissions, such as disabling the download or print option.
PDF stands for Portable Document Format, which is a file format that preserves the layout, formatting, and content of a document across different platforms and devices. PDF files are widely used for sharing documents online, such as reports, ebooks, forms, invoices, etc. However, some PDF files may have certain restrictions or protections applied by their owners or creators, such as password protection, encryption, digital signature, watermark, etc. One of these restrictions is disabling the download or print option for viewers, which means that you can only view the file as a preview in your browser or Google Drive app, but you cannot download it to your computer or print it out.
They exist to protect the intellectual property or privacy of the owner or creator of the file, or to prevent unauthorized copying or distribution.
The main reason why some PDF files are protected is to protect the intellectual property or privacy of the owner or creator of the file. For example, if you are an author who has written an ebook and uploaded it to Google Drive, you may want to prevent others from downloading or printing your ebook without your permission or payment. Or if you are a business owner who has shared a confidential report or invoice with your clients or partners via Google Drive, you may want to prevent them from downloading or printing your document without your consent. By disabling the download or print option for viewers, you can control who can access or use your PDF file and how they can use it.
How to Download Protected PDF Files from Google Drive Using JavaScript Code
This method This method works for simple PDF files that are split into separate images by Google Drive.
Google Drive has a feature that converts PDF files into separate images for faster loading and viewing. This feature is useful for PDF files that have a lot of graphics or pictures, but it also makes it easier to download them as images. This method uses a JavaScript code that extracts the image URLs from the PDF file and downloads them as a zip file. You can then use any image viewer or editor to combine the images into a single PDF file. Here are the steps to follow:
Step 1: Open the PDF file on your Chrome browser and let it load completely.
First, you need to open the PDF file that you want to download on your Chrome browser. You can do this by clicking on the file name or the preview icon in Google Drive, or by copying and pasting the file URL in your browser's address bar. Make sure that the file loads completely and that you can see all the pages.
Step 2: Scroll to the bottom of the page and open the Developer Console by pressing Ctrl + Shift + C for Windows or Cmd + Shift + C for Mac.
Next, you need to open the Developer Console, which is a tool that allows you to inspect and modify the web page's code. You can do this by scrolling to the bottom of the page and pressing Ctrl + Shift + C for Windows or Cmd + Shift + C for Mac. Alternatively, you can right-click anywhere on the page and select Inspect from the menu.
Step 3: Click on the Console tab and paste the JS code (provided below) in the console and hit Enter.
Then, you need to click on the Console tab, which is where you can enter and execute JavaScript code. You can paste the following JS code in the console and hit Enter. This code will scan the page for image URLs and download them as a zip file.
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// JS code to download protected PDF files from Google Drive as images // Source: // Create a zip file var zip = new JSZip(); // Get all image elements on the page var images = document.getElementsByTagName("img"); // Loop through each image element for (var i = 0; i
Step 4: The PDF file will be downloaded to your computer.
Finally, you will see a zip file named PDF.zip being downloaded to your computer. This zip file contains all the images from the PDF file. You can extract the zip file and use any image viewer or editor to combine the images into a single PDF file. Alternatively, you can use an online tool like to merge multiple PDF files into one.
How to Download Protected PDF Files from Google Drive Using an Alternative Method
This method works for large PDF files with complex orientation and high quality.
If the previous method does not work for you, or if you want to download large PDF files with complex orientation and high quality, you can try this alternative method. This method also uses a JavaScript code, but it requires you to download a zip file that contains some additional files and scripts. This method works by creating a canvas element on the page and drawing each page of the PDF file on it. Then, it converts each canvas element into a blob object and downloads them as a zip file. You can then use any PDF viewer or editor to combine the blobs into a single PDF file. Here are the steps to follow:
Step 1: Download the zip file (provided below) and extract the content.
First, you need to download this zip file: First, you need to download this zip file: and extract the content. This zip file contains the following files and folders:
Method_1_Script.js: This is the JS code that you will use to download the PDF file.
jszip.min.js: This is a JS library that allows you to create and download zip files.
pdf.js: This is a JS library that allows you to parse and render PDF files.
pdf.worker.js: This is a JS file that supports the pdf.js library.
images: This is a folder that contains some images that are used by the pdf.js library.
Step 2: Open the Method_1_Script.js file and copy the JS code.
Next, you need to open the Method_1_Script.js file and copy the JS code. You can use any text editor or IDE to open the file. The JS code looks like this:
// JS code to download protected PDF files from Google Drive as blobs // Source: // Load the pdf.js library var script = document.createElement('script'); script.src = 'pdf.js'; document.head.appendChild(script); // Load the jszip.min.js library var script2 = document.createElement('script'); script2.src = 'jszip.min.js'; document.head.appendChild(script2); // Create a zip file var zip = new JSZip(); // Get the PDF file URL var url = window.location.href; // Parse and render the PDF file pdfjsLib.getDocument(url).promise.then(function(pdf) // Get the number of pages var numPages = pdf.numPages; // Loop through each page for (var i = 1; i
Step 3: Open the PDF file on your Chrome browser and let it load completely.
Then, you need to open the PDF file that you want to download on your Chrome browser. You can do this by clicking on the file name or the preview icon in Google Drive, or by copying and pasting the file URL in your browser's address bar. Make sure that the file loads completely and that you can see all the pages.
Step 4: Scroll to the bottom of the page and open the Developer Console by pressing Ctrl + Shift + C for Windows or Cmd + Shift + C for Mac.
Next, you need to open the Developer Console, which is a tool that allows you to inspect and modify the web page's code. You can do this by scrolling to the bottom of the page and pressing Ctrl + Shift + C for Windows or Cmd + Shift + C for Mac. Alternatively, you can right-click anywhere on the page and select Inspect from the menu.
Step 5: Click on the Console tab and paste the JS code in the console and hit Enter.
Then, you need to click on the Console tab, which is where you can enter and execute JavaScript code. You can paste the JS code that you copied from Step 2 in the console and hit Enter. This code will parse and render each page of the PDF file as a canvas element, convert each canvas element into a blob object, and download them as a zip Then, you need to click on the Console tab, which is where you can enter and execute JavaScript code. You can paste the JS code that you copied from Step 2 in the console and hit Enter. This code will parse and render each page of the PDF file as a canvas element, convert each canvas element into a blob object, and download them as a zip file.
Step 6: The PDF file will be downloaded to your computer.
Finally, you will see a zip file named PDF.zip being downloaded to your computer. This zip file contains all the blobs from the PDF file. You can extract the zip file and use any PDF viewer or editor to combine the blobs into a single PDF file. Alternatively, you can use an online tool like to merge multiple PDF files into one.
Conclusion
In this article, we have shown you two methods that you can use to download protected PDF files from Google Drive using JavaScript code. These methods are useful for bypassing the download or print restriction that some PDF files may have. However, you should be careful when using these methods, as they may violate the intellectual property or privacy rights of the owner or creator of the PDF file. You should only use these methods for personal or educational purposes, and not for commercial or illegal purposes. Also, you should make sure that you have a stable internet connection and enough storage space on your computer before downloading large PDF files.
FAQs
Q: Can I use these methods to download any PDF file from Google Drive?
A: No, these methods may not work for some PDF files that have advanced encryption or protection features, such as digital signature, watermark, DRM, etc. These methods are only effective for simple PDF files that are split into separate images by Google Drive.
Q: Can I use these methods to download protected PDF files from other websites or platforms?
A: No, these methods are specific to Google Drive and may not work for other websites or platforms that host PDF files. You may need to use different tools or techniques to download protected PDF files from other sources.
Q: Can I use these methods to download other types of files from Google Drive?
A: No, these methods are only applicable to PDF files and may not work for other types of files that are hosted on Google Drive. You may need to use different tools or techniques to download other types of files from Google Drive.
Q: Are there any risks or drawbacks of using these methods?
A: Yes, there are some risks or drawbacks of using these methods, such as:
You may infringe the intellectual property or privacy rights of the owner or creator of the PDF file, which may result in legal consequences or penalties.
You may lose some quality or formatting of the PDF file when converting it into images or blobs.
You may encounter some errors or bugs when running the JavaScript code on your browser or console.
You may consume a lot of bandwidth or storage space when downloading large PDF files.
Q: How can I prevent others from downloading my protected PDF files from Google Drive?
A: If you want to prevent others from downloading your protected PDF files from Google Drive, you can do the following:
Use strong encryption or protection features on your PDF files, such as password protection, digital signature, watermark, DRM, etc.
Share your PDF files with specific people or groups and limit their access or permissions.
Monitor your PDF files' activity and usage on Google Drive and revoke access if necessary.
Use alternative platforms or services to host your PDF files that offer more security and control.
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