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Drop PDF here or click to upload
Single PDF file · Compression happens in your browser
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How to Use Compress PDF
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Upload PDF
Drop or select your PDF file.
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Choose level
Low keeps near-original quality, High compresses most aggressively.
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Compress
Your PDF is rebuilt with object stream optimization in your browser.
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Download
Get the compressed file with a clear before/after size comparison.
Frequently Asked Questions
For text-heavy PDFs, expect 10-30% reduction. Image-heavy PDFs see less savings since images are already compressed within the PDF format.
Browser-side PDF compression is mostly lossless — it removes redundant objects and uses streams. For aggressive image recompression, dedicated server tools work better.
Yes. Compression happens entirely in your browser. Files are never uploaded.