Compress PDF
Reduce file size for easier sharing.
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Merge, split, compress, convert, edit, secure — every PDF task, free in your browser
What is Compress PDF?
How to use
- 1
Select File
Upload your PDF.
- 2
Select Level
Choose a compression level (Medium recommended).
- 3
Compress
Click 'Compress'.
- 4
Download
Download the optimized file.
FAQ
How much will it compress?▼
Depends on the content; image-heavy files compress very well.
Will quality suffer?▼
Low settings lose almost nothing. High settings might impact image quality.
Can I compress again?▼
Yes, but results will be minimal if already compressed.
What level to pick?▼
Medium is the best balance.
Is text quality affected?▼
No, text remains sharp.
Typical reduction?▼
Often 50-80% for image-rich documents.
Is 'High' bad for printing?▼
It may affect print quality; fine for screen viewing.
Can I compress text-only files?▼
Effect will be negligible.
Can I preview it?▼
No, but you see the final size after compression.
Can I process multiple files?▼
One at a time, or merge them first.
Last updated: June 26, 2026