Online Compress PDF File Size For Free in 2024

Easily upload up to 5 PDF files to our free PDF compression tool, compressing it for high print quality and size. Compress PDF file 2024 by choosing a quality value between 0 (lowest quality) to 10 (highest quality).

0 being the lowest size as well as quality, and 10 being the highest compressed size and quality.


Target size does NOT guarantee that the resulting PDF will be of that size.


Bulk Reduce & Compress PDF Easily

This PDF compression tool is an essential asset in our data-driven era, serving both individual and business needs by adeptly minimizing file sizes for simplified storage, transmission, and expedited loading. From students submitting voluminous research papers to professionals disseminating comprehensive reports, this utility facilitates a smoother experience by condensing PDF sizes, particularly beneficial when navigating size limits on digital platforms.

However, depending on the compression settings selected, there may be some or significant quality loss. Utilizing a quality value of 10 will preserve as much of the original quality as feasible. Still, users should be cognizant of the balance between compression and quality, ensuring that a compressed PDF's clarity aligns with its intended use, whether that's for online viewing, printing, or archiving.

How to use

  1. Click on "Choose File", and select up to 5 PDF files. There is no size limit. However, do note that larger files will take longer to compress.
  2. Select PDF quality value from 0 to 10. When selecting PDF quality during compression, a setting of 0 will yield the smallest file size but with the lowest quality, whereas a setting of 10 ensures maximum possible size reduction while preserving the best possible quality.
  3. Enter the target file size in KB. The compressor algorithm will attempt to compress your PDF to this target size but there's not guarantee, unfortunately.
  4. Click on "Compress PDF". Done.

Compressing PDFs on Windows

If you're a Windows user, you're in luck. Windows offers built-in features for compressing PDF files. We'll guide you through the step-by-step process to make your PDFs more compact without breaking a sweat.

Compressing PDFs on Mac

For our Mac users out there, we haven't forgotten about you. We'll provide a similar step-by-step guide to compressing PDFs on macOS, ensuring that no one is left out in the cold.

Compressing PDFs on Mobile Devices

In today's mobile-centric world, many of us deal with PDFs on our smartphones and tablets. We'll show you how to compress PDFs on your mobile device, so you can save space and easily share documents while on the go.

What is PDF compression, and why do I need it?

PDF compression is the process of reducing the file size of a PDF document while retaining its content and quality. You need it to make large PDFs more manageable, save storage space, and facilitate easier sharing.

Why Compress PDF Files?

The necessity to "Compress PDF" files arises for various reasons, such as facilitating easier sharing, reducing storage space, and ensuring quicker loading and downloading times.

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