Compress PDF

Reduce file size while balancing output quality

Drop PDF here

or select a file from your device

Supported: .pdf

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Low Compression
Best quality, larger file
Balanced
Recommended overall output
High Compression
Smaller file, lower detail

Compression Completed

Your compressed PDF is ready.

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Compressing PDF...
Compression Notes
Low compression keeps the best readability.
Balanced mode is good for general sharing.
High compression is useful for strict size limits.

How to Compress a PDF

Reduce your PDF file size without losing readability. PdfPeaks lets you choose a compression level and generates a smaller PDF you can download right away.

1) Upload your PDF

Drag and drop your PDF or use the file picker. The tool supports standard PDF files and shows your file details before you run compression.

2) Pick a compression level

Choose Low for better quality, Balanced for most cases, or High for maximum size reduction. Each option is designed to keep text readable.

3) Compress and download

Click Compress PDF, wait a moment, and download your smaller file. You can try a different level if you want a tighter size target.

Supported formats: PDF (.pdf). Tip: For scanned documents, try Balanced first to keep legibility.

Frequently Asked Questions

Our algorithm minimises visible quality loss. You can choose compression level (low, medium, high).

Files up to 100MB are supported.

Most PDFs can be reduced by 50-90% depending on their content.

Our compression is optimized to maintain readability while reducing file size.

Yes, all files are deleted immediately after compression.