How do I make a PDF a smaller size?

Drop in the PDF, choose a compression level, and save the smaller version your browser produces. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.

Will images look worse?

At balanced level, barely. Lighter levels trade a bit more sharpness for a much smaller file. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.

Can I preview the result?

The download is immediate; pick a level, compare sizes, and keep the one you like. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.

Where does my file go?

Nowhere. It is handled on your device only. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.

Is this tool free to use?

Yes. There is no charge, no account, and no watermark on the output. Compression happens entirely in your browser, so the PDF never leaves your device. You can choose the compression level depending on your size and quality needs.

Compress PDF to a Smaller Size

Compress a PDF to a smaller size for email and storage. Pick a level and shrink instantly.

Why it matters: Smaller files are simpler to share, upload, and store — and working in the browser avoids server upload limits.

How to Compress PDF to a Smaller Size

Open the Compress PDF to a Smaller Size tool and add your PDF (drag-and-drop or browse — it never leaves your device).
Pick a level: Best quality (sharpest), Balanced (default), Smaller file, or Tiny (aggressive re-encode).
Click Compress PDF. Pages are re-rendered as optimized images, so the lighter file downloads instantly.
Download the result — everything runs in your browser, nothing is stored or sent.

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