Compress PDF online free, without uploading your document

Make a heavy PDF light enough to attach to an email or form — right in your browser. Perfect for a scanned document that is too big.

3 compression levels No watermark Your file never leaves your device
Tap to upload your PDF

One PDF file. You can also drag it here.

Compression turns each page into an image, so the text is no longer selectable. It is ideal for scanned documents.

How to compress a PDF in 3 steps

Upload the PDF

Just one document. It never even leaves your device.

Pick a level

Light keeps more quality; extreme makes the smallest file.

Download it lighter

See the before and after and download the PDF, ready to attach.

Reduce the size of a scanned PDF without installing anything

That scanned ID, receipt or contract that goes over the 2 MB limit on a bank's website or a government form? Compress PDF fixes it. The tool redraws each page as an optimized image, which greatly reduces the size of scanned documents — usually the heaviest case. Because the whole process runs in your browser, the document never goes up to any server, which matters a lot for sensitive paperwork. One honest note: since each page becomes an image, the text stops being selectable; if your PDF is plain text and already small, we tell you and hand back the original.

Frequently asked questions

How do I compress a PDF without losing quality?

Upload the PDF, choose a compression level (light, medium or extreme) and click compress. The tool shows the size before and after so you can pick the best balance. The light level keeps good reading quality.

Why is the PDF text no longer selectable afterwards?

This tool compresses by turning each page into an image, which greatly reduces the size of scanned PDFs. As a result the text becomes an image and is no longer selectable. It is the ideal method for scanned documents; for plain-text PDFs the file is sometimes already small.

Is my document uploaded to a server?

No. Compression happens entirely in your browser. Contracts, payslips, medical records and personal documents never leave your device.

Is there a size limit or a watermark?

We add no watermark and no artificial limit. The only practical limit is your device's memory, since everything is processed locally.

While you're here

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