Compress PDF

Compress your PDF files to reduce their size without losing quality. Perfect for email attachments and faster uploads.

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How to Compress PDF

1

Upload your file

Click 'Choose File' or drag and drop your PDF into the upload area.

2

Process instantly

Click the action button. Your file is processed right in your browser.

3

Download the result

Your file is ready immediately. Click Download to save it.

Compress PDF — The Free File Compressor

Compress your PDF files to reduce their size without losing quality. Perfect for email attachments and faster uploads.

PDFUp's Compress PDF tool works entirely in your browser — no software download or installation required. Your files are processed locally whenever possible, ensuring maximum privacy. All uploaded files are automatically deleted from our servers within 1 hour of processing.

Whether you're on Windows, Mac, Linux, iOS, or Android, our compress pdf tool works on any device with a modern web browser. It's truly free, with no hidden fees, no watermarks added to your output, and no file count limits for most tools.

Whether you call it a file compressor or a PDF compressor, PDFUp shrinks your file in seconds — small enough to email or upload to any cloud storage service. Need to make changes first? Try our PDF editor, no Adobe Acrobat subscription required.

Also known as

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Compress PDF — Frequently Asked Questions

Common questions about using PDFUp's Compress PDF tool

Upload your PDF to PDFUp's Compress PDF tool, choose a compression level, and click Compress PDF. Your smaller file downloads in seconds — no signup needed.

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