Compress PDF - Free Online PDF Compressor Tool

Upload PDF to Compress

Compression Settings

Compression Level

Low Compression Best quality, larger file size

Medium Compression Good balance of quality and size

High Compression Smallest file, lower quality

File Information

Original Size -

Pages -

File Name -

Note: Compression works by re-rendering pages as optimized images. Text will no longer be selectable in the output.

Choose your compression level and click
"Compress & Download" to start.

How to Compress a PDF File

Reduce the file size of your PDF documents for easier sharing via email, messaging, or cloud storage. All compression happens locally in your browser.

Upload PDF

Drag and drop your PDF file or click to browse. The compression settings panel will appear.

Choose Level

Select Low, Medium, or High compression depending on your quality and size requirements.

Download

Click "Compress & Download" to get your smaller PDF. See the before-and-after file size comparison.

Compression Levels

Low Compression: Minimal quality loss, best for documents where visual fidelity matters.

Medium Compression: Balanced approach, good for general documents and reports.

High Compression: Maximum size reduction, ideal for email attachments or archiving.

Privacy Guaranteed

Your PDF never leaves your device. All compression happens locally in your browser using JavaScript. No server uploads required.