About A4 and A5

A4 and A5 are two widely used file size standards. The size of A4 is about 210 x 297 mm, and the size of A5 paper is about 148 x 210 mm. The A5 paper size is exactly half the size of A4 paper.
A4 paper size is the most commonly used format for printers, while A5 paper size is used specifically in the field of graphic design. A5-size PDFs can maintain the beauty and resolution of larger images.
In the digital age, dealing with various document formats is a common task. One frequently encountered situation is the need to change PDF page size from A4 to A5.
This conversion can be essential for different reasons, like creating more compact booklets, fitting content for mobile device viewing, or simply optimizing the layout for specific printing requirements.
Here's a step-by-step guide on how to convert a PDF from A4 to A5.
How to Change a PDF from A4 to A5
Want to resize PDF to A5? Here are 2 effective methods to achieve this operation. You can have a try.
Way 1. Use MiniTool PDF Editor
MiniTool PDF Editor is an all-in-one PDF editing tool. It helps you create/edit/compress/merge/split PDFs. As a PDF converter, it can help you convert it to other file formats or vice versa.
In this scenario, we use it to change a PDF from A4 to A5. Now, download and install MiniTool PDF Editor on your computer. Then, follow the steps below to resize PDF to A5 with the Print feature. Actually, this software also enables you to resize PDF to A4.
MiniTool PDF EditorClick to Download100%Clean & Safe
Step 1: Launch MiniTool PDF Editor to enter its main interface. Then click Open to find & open the target PDF file.
Step 2: Click on the Print icon from the top toolbar.
Step 3: In the Print window, locate the Page Size and Orientations section. Then select A5 from the drop-down menu. Here, you can also make other changes in this window.
Step 4: Once done, click on Print to complete the operation.

Step 5: In the Save Print Output As window, configure the location and type a file name for the PDF. Then click Save to save the changes.
Alternatively, you can convert a PDF from A4 to A5 via the Page Setup feature. Go to the Edit tab and then select Page Setup in the toolbar. In the next window, select A5 next to Standard Size and apply to all pages or certain pages. Finally, click on OK to save the changes.
Way 2. Use Adobe Acrobat
Another way to convert a PDF from A4 to A5 is to use Adobe Acrobat. It is a popular and powerful PDF editor that allows you to create, edit, and sign PDF files.
- Open Adobe Acrobat and then open the file you want to resize.
- Once you have opened your file, click on the Print icon on the toolbar.
- In the new window, go to the options of Printer, from where you can either select Adobe Printer or Microsoft Print to PDF.
- Click on Page Setup on the bottom left and select A5. Then click on OK to proceed.
- Once done, click on Print to resize PDF to A5.
If you don’t like to install any desktop software or prefer a more accessible, web-based solution, there are several online PDF editing tools available, like Online2PDF, pdf2go, etc. You can change PDF page size from A4 to A5 only if you have a stable and fast internet connection.
Changing a PDF from A4 to A5 may seem like a daunting task at first, but with the right tools, it becomes a straightforward process. Whether you choose to use professional software or rely on online tools, each method offers its own set of advantages.
Bottom Line
This post has shown you two feasible ways to change a PDF from A4 to A5. By resizing PDFs, you can gain more control over your documents, enabling you to adapt them to different requirements and enhance their usability.