Compress PDF Online Free - Reduce PDF Size

or drag and drop your PDF here

Max 50MB · Cloud Processed · Files Auto-Deleted

PDF

0 KB

Choose Compression Level

Recommended Compression Best balance of quality and file size. Ideal for sharing documents. Targets ~40-60% reduction.

Extreme Compression Maximum reduction. Smaller visual quality. Best for upload portals, forms, and email attachments.

Custom Target Size Enter your exact target. Our engine will iterate to hit it as closely as possible (within ~10%).

KB

Cloud engine is optimizing your file...

This may take 15–60 seconds depending on file size

Your file has been optimized successfully.

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Compressed

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How to Compress a PDF Online

1

Click "Select PDF File" or drag and drop your PDF document into the upload area.

2

Select recommended, extreme, or enter a custom target size in KB for precise control.

3

Click download to save your compressed PDF. Files are automatically deleted from our servers.

Set exact target size in KB. Our iterative engine adjusts compression parameters to match your goal.

Files are processed on our encrypted server and deleted immediately after download. No data stored.

Completely browser-based. No installation, no account needed. Works on any device.

No limits, no watermarks, no subscriptions. Professional PDF compression at zero cost.