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Compress PDF Online — Free
Shrink your PDF file size without losing readability. Choose from Low, Medium, or High compression. Perfect for email attachments and faster uploads.
✓ 3 compression levels✓ Up to 100 MB input✓ No watermark✓ No signup
How to Compress a PDF
- 1Upload your PDF
Select or drag-and-drop your PDF file (up to 100 MB).
- 2Choose compression level
Low = smaller size, High = best quality. Medium works for most use cases.
- 3Compress
Click the Compress button. Processing takes a few seconds.
- 4Download
See the size reduction and download your compressed PDF.
Frequently Asked Questions
How much can I compress a PDF?
Results vary by content. Image-heavy PDFs can be reduced by 60-80%. Text-only PDFs typically compress 10-30%.
Will compression reduce quality?
Low compression barely affects quality. High compression reduces image resolution slightly but text remains sharp.
What is the maximum file size?
Up to 100 MB input. Output is always smaller.
Is there a limit on how many PDFs I can compress?
No limit. Each operation is free and there is no daily cap.