PDF Tools
PDF Compressor
Reduce PDF file size for easier sharing and uploads. Upload a PDF, compress it, review real size savings, and download.
How to Compress a PDF
Step 1
Upload Your PDF
Choose the PDF you want to compress.
Step 2
Compress Your File
Start compression and wait for the measured size comparison.
Step 3
Download the Compressed PDF
Save the reduced PDF when processing finishes.
PDF Compression Features
- Works with PDF files
- Clear upload → process → download flow
- One processing state with accurate progress when measurable
- No account required
- Mobile-friendly controls
Supported Formats
Input formats
Output formats
Supported formats
Frequently Asked Questions
Is PDF Compressor free to use?
Yes. Tool Base PDF tools are free to use and do not require an account.
Does PDF Compressor keep my files private?
This tool is designed to process PDF files for this workflow. Your source file is not uploaded to Tool Base servers to complete the operation, though the page may still load Tool Base assets or PDF runtimes over the network.
Will every PDF get smaller?
No. Already optimized PDFs may not shrink further. Tool Base always shows actual measured sizes.
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