How to Easily Increase the Size of Scanned PDF Files Online

PDF files are essential in daily activities, from work to education. They offer easy file editing and are widely used for various purposes like compressing, copying, converting formats, and resizing.

Sometimes, PDF files from scans or other sources have low resolution, making them blurry and hard to read. Increasing the resolution of these PDF files is crucial for clarity. Fortunately, with today’s technology, you can easily increase the size of PDF files online. Here are several online methods to enlarge your scanned PDF files, ensuring they are clear and readable.

1. Using PDF Resizer Website

You can use PDF Resizer, available at pdfresizer.com/resize, to change the size of your PDF files. This online tool allows you to resize PDF documents without installing any additional software. All you need is a stable internet connection. Here’s how to use it:

1. Go to pdfresizer.com/resize.
2. Upload your PDF file to PDF Resizer by clicking the “Choose Files” button, selecting your PDF file, and then clicking “Upload files”. Note that the file size limit is 100 MB. Wait for the upload to complete.
3. Once uploaded, you will be directed to the “resize” interface. In the resolution section, choose your desired new resolution. Options include: low 72dpi (for screen viewing), med 150dpi (for ebooks), high 300dpi (for printing), and high+ 300dpi (for PDF documents with many images). For optimal quality, especially for color documents, select “high+ 300dpi”.
4. If you plan to print the PDF, you can also adjust the paper size by selecting “set paper size” and choosing your preferred paper format.
5. After configuring all settings, click “Looks good, do the magic!” to start the resizing process.
6. Wait for the process to finish, and then click the “download” button to save the resized file to your computer.

2. Using PDF2GO Website

Another excellent online tool for increasing PDF file size and resolution is PDF2GO. Like PDF Resizer, it requires a good internet connection. Here are the steps to resize your PDF file using PDF2GO:

1. Go to pdf2go.com/resize-pdf.
2. Click the “Choose file” button and select the PDF file you want to resize.
3. The upload process will start automatically. Wait for it to complete.
4. Once uploaded, adjust the size by clicking on the “size of pages” menu. You will find several format options to choose from, suitable for various printing needs.
5. Finally, click the “Start” button to begin increasing the size of your selected PDF file. Wait for the process to finish and click “Download” to save the file to your computer or laptop.

3. Using Soda PDF Website

Soda PDF is another viable option for increasing the size of your PDF files. Similar to the previous sites, Soda PDF works efficiently with a stable internet connection. Here’s a step-by-step guide to increasing PDF resolution using Soda PDF:

1. Go to sodapdf.com.
2. Click “Choose File”.
3. Adjust the margin and page size settings as needed, then click “Resize”.
4. Wait for the process to complete.
5. Once done, click “Download now” to save the resized PDF to your computer or laptop.

4. Using Docupub.com Website

Docupub.com is an alternative website for resizing PDF files, offering settings to both increase and decrease PDF size. This site remains functional and user-friendly. If you want to try Docupub.com, follow these steps:

1. Visit Docupub.com to start resizing your PDF file.
2. Look for the “Resize/Scale Settings”. Here are the options you can customize:
   • Pagesize: Automatically resizes the PDF to a specific size, including landscape and portrait orientations.
   • Custom Pagesize: Manually set the PDF size using points, inches, millimeters, or centimeters.
   • Scale: Adjust the scale of the PDF (check this option to enable scaling).
   • Constrain proportions when scaling: Automatically maintain aspect ratio during scaling (recommended to keep checked).
   • Placethe original content in: Sets the position of the PDF content (left, center, or right). It’s best to leave this at the default setting.
3. After choosing your preferred settings, upload the PDF file you want to resize. Click “browse” or “telusuri”, then “upload & resize”. Wait for the resizing process to complete.
4. Once finished, download the file to save it on your device. The output PDF file will reflect the settings you have configured.

These are several online methods to increase the size of scanned PDF files. We hope this information helps you resize your PDF files to your desired resolution, ensuring clarity and readability.