Compress PDF online
Make a PDF smaller for uploads and sharing.
The PDF is rebuilt in the browser to create a smaller output file. That can save space, but it may simplify the visual result.
Drop your file here or upload it
Add PDF file
The PDF is rebuilt in the browser to create a smaller output file. That can save space, but it may simplify the visual result.
Larger files may take a little longer depending on your browser and device.
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Results
Compressed PDF
No result yet
Your finished download will appear here once processing is complete.
How it works
How it works
Useful when a PDF file is too large.
Step 1
Upload your PDF.
Step 2
Start compression.
Step 3
Download the smaller PDF and review it if needed.
Notes
Good to know
A few short notes before you start.
- Compression can visibly simplify the document, especially for image-heavy PDFs.
- The amount of size reduction depends heavily on the original file.
- This version is meant for practical size reduction, not lossless archiving.
- Please only process content you have the required rights to use and modify.
Tool FAQ
Frequently asked questions about Compress PDF
The main answers in one place.
When is PDF compression especially useful?
Mainly for upload limits, email attachments and any case where a PDF needs to become smaller quickly.
Can the visual quality change?
Yes. Smaller PDFs often come with some simplified page rendering, so the result should be checked briefly.
Will the PDF always become much smaller?
Not always. That depends on how the original PDF is structured.
About this tool
What Compress PDF is meant for
A short explanation of when the tool helps.
This tool helps with PDFs that are too large for upload or email.
Upload the file, compress it and download the smaller result.
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