Compress PDF
Compress PDF files online free. Reduce file size. Browser-based, private.
Drop a PDF here to compress — nothing leaves your browser.
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Compress PDF
Compress a PDF online and shrink its size in one click. Reduce bloat from images and metadata without losing readable quality.
Why it matters: The compress runs locally in your browser, so your document never leaves your device.
How to Compress PDF
- Open the Compress PDF 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.
Frequently Asked Questions
Open Compress PDF, drop in your file, pick a level, then download the smaller PDF. Everything runs in your browser. 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.
No. Text stays sharp — compression only trims image bloat and redundant data, so words and layout are preserved. 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.
Large files work; processing is local so very big documents just take a little longer on your device. 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.
No. Compression uses pdf-lib in your browser; the file never leaves your device. 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.
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.
All Compress PDF Tools
Explore our specialized PDF compression pages for every use case.
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