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Compress PDF Online

Reduce PDF file size securely in your browser — no upload to servers.

Free & fast 100% client-side Quality presets

Professional PDF Compressor

Reduce PDF size securely in your browser.
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Select PDF File
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filename.pdf
2.4 MB
Compression Level
Extreme 72 DPI
Recommended 150 DPI
High Quality 300 DPI
Options
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Upload a PDF to start
optimizing.

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Please wait, rendering pages...
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Compression Complete!

Original --
Compressed --

Compress PDF — Free Online Tool

Shrink PDF file size for email attachments and faster sharing. PDFHill compresses your document while keeping text and images readable.

How It Works

  1. Step 1. Upload your file using the drag-and-drop area above.
  2. Step 2. Adjust any settings, then start processing.
  3. Step 3. Download your result instantly — free, with no watermarks.

100% free · No watermarks · No sign-up required · Secure browser processing