[Latest] How to Convert A4 to A3 for Single or Multiple PDFs?

A4 is the default paper size used in most documents, such as legal documents, business reports, research articles, and much more. Due to the confined paper size in A4, it fails to properly handle complex visuals or extensive datasets. For that, converting A4 to A3 seems a viable solution, as it can help increase the size of the pictures, objects (arrows, stripes, squares), and other elements. Therefore, this guide is all about how to resize A4 to A3 using the best solution. So, let's head right to it!

Part 1. How to Convert/Resize/Scale a Single PDF from A4 to A3  

If you have a single A4 PDF file of a complex visual or dataset, then you can convert A4 PDF to A3 using different tools. However, our emphasis in today's guide is to present the best tool to resize A4 to A3 with utmost accuracy. This is what you can get with UPDF.

UPDF is a powerful PDF editor and converter tool that can take your A4 and convert it into A3 paper dimensions: 11.7 x 16.5 inches. All it requires is a few simple clicks to print A4 to A3 while preserving all details. On top of that, UPDF allows you to crop, rotate, and resize individual PDF pages to further enhance the document quality the way you want.

The key features of UPDF are as follows:

• Convert/resize/scale A4 to A3 PDF with simple clicks.
• Crop, resize, and rotate individual PDF pages.
• Shrink oversized pages with one click.
• Customizable printer settings, such as print in grayscale, custom page printing, paper orientation, and much more.
• Convert A4 to other formats as well, including A5, B4, B5, tabloid, letter, etc.
• Batch resize multiple PDFs from A4 to A3.

In short, UPDF is your one-stop tool to easily print A4 to A3 with many customization options. So, hit the download button to install UPDF on your computer and scale for A4 to A3 conversion right away.

Let's now see UPDF in action and list the steps to resize A4 to A3 PDF with it:

Step 1. Download and launch UPDF on your Windows/Mac computer. Click "Open File" from the home screen and select the A4 PDF.

Step 2. Click File > Print to open the printer settings.

Step 3. Under the "Paper Size" section, select "A3".

Step 4. Customize other printer settings the way you want, such as orientation, grayscale print, shrink the oversized page, etc. Once done, select "Microsoft Print to PDF" and then click the "Print" button.

Step 5. To crop or resize selective pages further, click the "Crop Pages" icon from the left sidebar and go to the page you want to resize. Click the "Options" icon next to it and then resize/crop the page the way you want.

That's it! This way, UPDF offers an intuitive approach to convert A4 PDF to A3 effortlessly. Besides resizing a single A4 PDF, you can do the same for multiple PDFs at once with UPDF. The next part talks in detail about it.

Part 2. Part 2. How to Convert/Resize/Scale Multiple PDFs from A4 to A3

Sometimes, there is a need to resize multiple A4 PDFs to A3. For instance, you may have several A4-sized drawings of a project that you now want to print in A3 for effective presentation. Here again, UPDF comes into action.

UPDF has a dedicated "Batch Process" feature with which you can resize and print multiple A4 PDFs to A3 at once. All you have to do is select all the A4 PDFs and then set the paper size as A3. The batch process feature even allows you to select the entire folder instead of selecting files one by one.

Here are the steps to batch print multiple PDFs (A4 to A3) with UPDF:

Step 1. Launch UPDF and click "Batch" from the main home screen.

Step 2. From the list of batch process activities you can do, select the "Print" option.

Step 3. Click "Add File" and select the PDFs you want to convert from A4 to A3.

Step 4. Set the "Paper Size" to A3 and customize other printer settings. Once done, select "Microsoft Print to PDF" and click the "Print" button.

This way, you can easily print multiple A4 PDFs to A3. Simply put, UPDF is your best companion to convert/resize/scale A4 to A3 for single or multiple PDFs. Therefore, download UPDF and get the A3 formatted documents conveniently.

UPDF has even more features to offer besides just printing A4 to A3. To learn more, read the next part.

Part 3. Bonus Tip: UPDF – A Cost-Effective PDF Editor Beyond Just an A4 to A3 Resizer

Until now, we have seen UPDF as the best solution to resize A4 to A3 PDFs. However, that's just one feature that UPDF has to offer. In fact, UPDF is a complete PDF editor tool that has various other features for you, as follows:

• Edit PDF: add, edit, and remove text, links, and images from a PDF.
• Annotate PDF: Highlight, add stamps/stickers, underline, strikethrough, mark, draw, and do other annotations to a PDF.
• UPDF AI: UPDF provides an AI chat box to chat with PDF and get assistance in consuming PDF content by asking for summaries, translations, explanations, and much more.
• Create PDF: It allows you to create a PDF from scratch or convert existing ones to Word, image, PPT, Excel, text, etc.
• Compress PDF: Reduce/shrink large PDFs into smaller sizes in two clicks.
• Protect PDF: Protect a PDF with a password or redact sensitive information.
• Fill & Sign PDF: Assists in filling PDF forms and signing PDFs digitally.
• Organize PDF: Rearrange, add, rotate, crop, remove, replace, extract, and split PDF pages.
• Merge PDF: Merge two or more PDFs into a single PDF.
• OCR PDF: Convert scanned or image-based PDFs into editable PDFs.

Overall, UPDF is the advanced and feature-rich PDF editor and converter tool you need for almost any PDF-related activity. In fact, now is the best time to upgrade to UPDF Pro, access all its above features, and buy AI unlimited with its limited-time 60% off offer.

To get more info about UPDF, check out the UPDF review on ToolPilot.

Conclusion

The need to convert A4 to A3 is common whenever the A4 paper fails to demonstrate a detailed picture or lengthy datasets. By resizing A4 PDF to A3, you can effectively increase the size of the pictures, objects (arrows, stripes, squares), and other elements. For that, UPDF is your ultimate solution to effortlessly converting, scaling, and resizing A4 to A3 PDF documents. Therefore, follow the steps discussed in this guide and leverage UPDF to print A4 to A3 conveniently.