Compress PDF Online Free
Drag & drop or click to upload
Max size: 100.0 MB
Processed locally — your files never leave your device
Compression level
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How to Compress PDF Online Free — Step by step
- 1
Upload your PDF
Drag and drop your PDF file onto the upload zone or click to browse.
- 2
Choose compression level
Select low, medium, or high compression depending on your size vs quality needs.
- 3
Download compressed PDF
Click Download to save your smaller PDF instantly.
Frequently Asked Questions
Is my PDF safe when I compress it?
Yes. All processing happens locally in your browser — your file is never uploaded to any server.
What is the maximum file size I can compress?
You can compress PDF files up to 100 MB directly in your browser.
How much can I reduce the file size?
Compression ratio depends on the PDF content. Image-heavy PDFs can often be reduced by 60–80%.