How to compress a PDF to 300KB or less.

A woman in a living room compresses PDF to 300KB using her laptop.

Need to shrink some files to make them more manageable? Learn how to compress PDF files to less than 300kb using both online and offline tools.

Sometimes, PDFs are larger than usual, making it harder to upload them to the cloud or share them with co-workers, classmates, or friends. There are many reasons why PDF files need to be 300KB or less. Maybe one or more fonts are embedded, or the file includes heavy images with a high resolution.

Whatever the reason, there is an easy solution to reducing the size of your PDF. You can compress a PDF to 300KB or less with a free tool like Adobe Acrobat online services or offline with a PDF editor like Adobe Acrobat.

Is it better to resize a PDF file to 300KB online or offline?

When you resize a PDF file to 300KB, you can choose to do it online or offline. If you don’t want to download additional software to your computer, it may be more convenient to compress the PDF using Acrobat online services from any web browser.

If you have PDF editing software like Acrobat already installed on your computer, you can compress files easily without an internet connection.

Whatever your personal preferences or circumstances, Acrobat can help you achieve your work, academic, and personal goals by making the process of compressing PDF files to 300KB possible.

Will quality be lost when I compress a PDF to reduce size?

Acrobat makes it possible and easy for you to resize a PDF to 300KB or less with its online tools. Online PDF compressors like Acrobat automatically optimize file size. If the downloaded file isn’t quite the size you want, you can repeat the process to further compress the PDF below 300KB.

Even though the PDF format preserves the quality of your files and is not large in size, it’s important to remember that the more you compress a PDF, the lower the quality of the file.

Steps to compress PDF to 300KB.

Compressing a PDF file to 300KB or less will make the process of sharing and uploading files faster and easier. Learn how to resize a PDF to 300KB online or offline, depending on your needs.

Option 1: How to resize a PDF file to 300KB online.

If you don’t have a PDF editor on your computer, that’s okay. You can still compress a PDF online to 300KB or less using your regular web browser. Just follow these steps:

  1. Go to the online compression tool website.
  2. Upload the file you want to compress.
  3. Let the software do its magic.
  4. Download or share your newly compressed file.

Online PDF compressors automatically optimize your file, so it might not be exactly the size you want. You can always repeat the process to get your PDF to 300KB or less.

How to compress a PDF to 300kb or less

The best way to compress PDFs to less than 300kb offline is with a PDF editor like Adobe Acrobat. Just open the editor and follow these five easy steps:

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  1. Open the Tools center and select the Optimize PDF Tool.
  2. Choose the file you want to compress.
  3. Select Reduce File Size in the top menu.
  4. Pick your options and file version compatibility.
  5. Rename and save the file.

If your file is still too big, there are a few options you can use in the Optimize PDF Tool to help you reduce the PDF size even further. For example, you can:

It’s also a good idea to break up multi-page PDFs into separate files. That way, you can work with a few smaller PDFs rather than one giant file.

Need more help? Read our additional compression guides.

If you’re looking to compress your PDF to another size or with different devices, check out our guides below:

Want to learn more about working with PDFs online? Discover what more you can do with Acrobat to simplify, manage, and work with PDFs.