Reduce PDF Size
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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Reduce PDF Size
Reduce PDF size online for free. Cut megabytes off reports, contracts, and scans before you send them.
Why it matters: The compress runs locally in your browser, so your document never leaves your device.
How to Reduce PDF Size
- Open the Reduce PDF 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.
Frequently Asked Questions
Add your PDF, pick a level, and download the reduced file. No uploads, no accounts. 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.
Savings depend on the source — image-heavy scans shrink most, text docs less, but every file gets tighter. 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.
It runs in your browser, so once loaded it needs no server round-trip for your 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.
Yes. Your PDF is processed locally and never transmitted. 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
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