2, click on the "File" option in the toolbar, then select "S

2, click the "file" option in the toolbar, then select "save as other formats" in the pop-up window when selecting smaller image formats such as "JPEG" or "PNG".

3, select a save location and file name, then click "save". new PDF files will have a smaller size than the original file.

Another way is to use online tools such as Smallpdf, Online Convert, etc. These sites offer free PDF compacting services, just upload the PDF files you want to compact, and then select the desired
The output format (usually including JPEG, PNG, etc.) can be downloaded after the compact file.

How to reduce the size of PDF files with Apple phones

How to reduce the size of PDF files with Apple phones, there are the following ways :

How to reduce the size of PDF files with Apple phones

0 :

1

2 How to open PDF files that need to be compressed.

3

4 Click on the "share" button above the screen.

5

6 Slide the sharing menu.
Find and click on the "Print" option.

in the printing interface to reduce file size by adjusting the clarity of the PDF. Although this method is not directly compressed, reduced clarity can effectively reduce file volume.

using a dedicated PDF compression application :

such as "Compress PDF - Reduce PDF size" this app, it is designed for iPad but is also suitable for iPhone.

users can easily compress PDF files directly on the device, just click a click to select
File and compress.

This is a quick and simple method for users who need to compress PDF files frequently.

Download and install Adobe Acrobat Reader from the App Store on iPhone using the Adobe Acrobat Reader app:

Start the application and find the PDF file you want to reduce in size.

0

1 Click the menu icon to view the list of available tools and select "Compress PDF"
Options.

Customize the compression level and click the "Compress" button.Adobe Acrobat Reader is a powerful PDF processing tool that offers a variety of PDF editing and compression functions.

Note:

Some PDF documents may not be able to be further compressed because PDF documents may have been overcompressed or not have too much compressable content. When PDF compressing, it is recommended to back up the original files in advance to prevent problems in the process of compression that cause file damage or loss.
The compression method can have a different degree of impact on the clarity and quality of the PDF file, and users can choose the appropriate compression method according to actual needs.

pdf file size How to reduce

Use Adobe Acrobat DC to adjust the internal image size of the PDF as follows:

Open PDF document Start the Adobe Acrobat DC software on your computer, click Open the PDF file that needs to be edited.
In> go to image editing mode in the PDF document interface right-click the empty spot, select the menu add image option (to adjust the already existing image, you can right-click the image select edit image). position picture control point add or select the image, the picture will show the blue block control point:

four corners for proportional scalingIn> (maintain the width ratio).

the upper or right middle square is used for to adjust the width or height separately (proportion may change).

adjust the image size

the overall scale: drag the blue square of the four corners, the image will be enlarged or shrunk in proportion.

0

1

2 adjusted separately

3 : drag the blue square between the upper or right middle, can change the width or height separately (note)
If you want to change the image, then click on the document empty box to exit the editing mode and save the PDF file.

NOTE :

preferred to use four-angle squares when adjusting to avoid image deformation. In order to accurately control the size, you can select the property in the right-click menu, manually enter the width and height values. Some PDF readers may not support direct editing of images, and it is recommended to use Adobe Acro
Professional software such as bat DC.

To reduce the size of PDF files, you can try image compression, remove unnecessary elements, optimize page layout, cut pages, reduce PDF versions or use professional PDF compression software and other methods.

Image compression: Images in PDF files often take up more space and can significantly reduce the file volume by adjusting the resolution and quality of the image.

0 Remove unnecessary elementsng>: If a PDF contains some large images, complex graphics or long text paragraphs, and these elements are not necessary, you can delete them to reduce file size.

Optimize page layout: You can reduce the overall size of the PDF without affecting the reading by adjusting the page edges, font size and line spaces.

Cut PDF pages: If you only need to keep a portion of the PDF page, you can use the cutting tool to remove the extra portion.
The new version of the PDF may contain more advanced features, but also may increase the file size. If these advanced features are not needed, you can try to save the PDF as a lower version.

Use professional compression software : These software typically provide more custom options and batch processing capabilities to reduce file size more effectively.

Please note that before PDF compression, it is recommended to back up the original text.
At the same time, choose the right compression method and quality according to actual needs to find the best balance between file size and file quality.