Step 1
Upload your PDF.
Document ToolsNew
Compress PDF online
Make a PDF smaller for uploads and sharing.
Recently used is saved locally
Overview
Formats
Processing
Processed in your browser where possible
Drop your file here or upload it
Add PDF file
Selected file
No file selected yet
Choose a supported file. Options and the main action will stay visible here.
Options
Results
Compressed PDF
No result yet
Your finished download will appear here once processing is complete.
Use case
Best for
Use this tool when you need a clean result quickly.
This tool helps with PDFs that are too large for upload or email.
Format support
Supported formats
Typical formats and output types used by this tool.
PDF
Process
How it works
A quick path from input to finished result.
Step 2
Start compression.
Step 3
Download the smaller PDF and review it if needed.
Before you start
Good to know
Short notes about formats, browser support and result quality.
- 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.
Where this tool helps most
Where this tool helps most
Real-world workflows where this tool is frequently used.
School
Prepare submissions, convert scans and keep files lightweight.
Prepare cleaner source files for sharing and print-ready handoff.
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.
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