.
Adobe Acrobat

Compress a PDF

Drag and drop a PDF to reduce file size with our PDF compressor.

How to compress a PDF

Follow these easy steps to learn how to make a PDF smaller:

  1. Click the Select a file button above, or drag and drop files into the drop zone.
  2. Select the PDF file you want to make smaller.
  3. Select the compression level you would like to apply to your document.
  4. After uploading, Acrobat will automatically reduce the file size.
  5. Download your compressed PDF file or sign in to share it.

Try our free PDF compressor tool

An arrow representing how easy it is to share a compressed PDF file

Compress a PDF for easier file sharing

Reduce your PDF file size for free with Acrobat when you need to share or store a smaller file. Upload your file or attach it to an email without worrying about size limits. You can also save your file without using up storage space.

A download arrow with a small cloud showing that you can easily download your compressed file

Download a compressed PDF with no hidden fees

With the online PDF compression tool, you can download a compressed PDF without sharing any personal information. Your file is deleted from Adobe servers, and the content of your file is only accessible to you.

A large file being reduced in size

Big file? No biggie: compress files up to 2GB

Adobe's PDF compressor can handle files up to 2GB, so you can reduce the size of those large PDFs. Save storage and share with ease when you create a smaller version of your big file.

An Acrobat PDF with a measurement bar showing you can choose your compression level

Choose a compression level for an optimized PDF

When you compress a PDF, the file undergoes space-saving steps like reducing image resolution, flatting interactive layers, and removing unused metadata. You can choose between High, Medium, and Low compression level in Acrobat's online tool, balancing your needs for quality and size.

Two browser icons with a mouse arrow pointing to an Acrobat PDF to show that you can use PDF tools online

Do it all with Acrobat

After compressing your PDF, you can create a free Acrobat account to take additional steps. Convert PDFs to other file formats, merge and split files, and fill and sign documents - all with Adobe Acrobat.

An Adobe Acrobat PDF document

Adobe: PDF compression you can trust

As the creators of the PDF, Adobe continues to innovate with high-quality PDF tools. Compress your PDFs with confidence when you use Adobe Acrobat.

Compress PDF FAQs

Compress PDF resources

a text bubble, pencil icon, and a stacked PDF icon representing free online Acrobat tools

Use Acrobat tools for free

  • Sign in to try 25+ tools, like convert or compress
  • Add comments, fill in forms, and sign PDFs for free
  • Store your files online to access from any device

Try these Acrobat online tools