Whether there’s a PDF taking up too much space on your PC or you’re struggling to share a file via email, here’s how to resize a PDF in under a minute.
Compressing a PDF is a quick and easy way to reduce the file size without compromising on the benefits of using the PDF format. All you need to do is upload your file, select a size and hit Compress to make any PDF more manageable.
Keep reading to learn how to shrink the size of a PDF without downloading any new apps or software.
What you’ll need
- Your PC or phone’s web browser
- A free Adobe account
The Short Version
- Go to Adobe’s free Compress PDF tool
- Upload your PDF
- Select a compression level
- Hit Compress
- Click Download

How to shrink the size of a PDF
Step 1.
Go to Adobe’s free u003ca href=u0022https://www.adobe.com/uk/acrobat/online/compress-pdf.htmlu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eCompress PDF toolu003c/au003e
You’ll need to sign in or create a free Adobe account if you plan to shrink more than one PDF. You can do this now or at the final stage of the process.
Step 2.
Click Select A File
Upload the PDF from your PC.
Step 3.
Select a compression level
For the smallest size, choose High.
Step 4.
Hit Compress
Then just wait for your PDF to be compressed.
Step 5.
Click Download
This will download the PDF to your PC. You may be asked to sign in or create a free Adobe account at this stage.
Troubleshooting
Yes, Adobe’s Compress PDF tool is free to use. All you need to do is sign in or create a free account.
There are a huge number of sites that can compress PDFs without you signing up for an account. However, you should make sure you trust the website before uploading any sensitive documents.