PDF Size Reducer
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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PDF Size Reducer
Use a free PDF size reducer to make documents email-ready. Trim embedded media and metadata bloat fast.
Why it matters: The compress runs locally in your browser, so your document never leaves your device.
How to PDF Size Reducer
- Open the PDF Size Reducer 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
It rewrites your PDF more tightly — smaller images, dropped junk — so the file is lighter to send. 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. Every page is kept; only the byte overhead is trimmed. 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.
Balanced for everyday use, lighter for strict email limits, best-quality when fidelity matters most. 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, compression is free and runs entirely 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.
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.
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