Compress PDF Files Online for Free

Shrink your PDF documents in seconds without compromising quality. No sign-up, no software — just fast, reliable compression that works on any device.

or drag & drop your PDF file here

Why Use Our Free PDF Compressor?

Compress PDF files quickly without losing important quality. Fast, and works on all devices.

Fast & Efficient

Compress your PDFs quickly without delays.

Mobile Friendly

Compress PDFs from any device easily.

Multiple Compression Levels

Choose from Low, Medium, or High compression according to your needs.

Large PDF Support

Compress PDFs of any size efficiently without crashing.

Frequently Asked Questions — Compress PDF

Is this PDF compressor free?

Yes! Our online PDF compressor is completely free with no hidden fees or subscriptions.

Can I compress PDFs on mobile?

Absolutely. The tool is fully responsive and works on smartphones, tablets, and desktops.

Will compressing reduce the quality of my PDF?

Our compressor uses adjustable levels — Low, Medium, High — so text remains clear, and images are optimized to reduce size while keeping quality.

How long does compression take?

Small to medium PDFs compress almost instantly. Larger files may take a few seconds depending on size and selected compression level.

Do I need to install any software?

No software installation is required. Compress PDFs directly in your browser with ease.