PDF Compressor (Client-side)
Compress PDFs in your browser — drag & drop, choose compression level, preview & download.
No upload — files stay in your browser
Drag & drop a PDF here
or
Preview
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Thumbnails will appear here
Higher = better visual quality but larger file.
Tip: This method rasterizes pages into images and rebuilds the PDF — very effective for scans and image-heavy PDFs. For lossless, server-side tools are recommended.
Reduce the size of your PDF files instantly while preserving quality. Our free and secure tool lets you compress PDFs directly in your browser, with no registration, no watermarks, and optimization for fast sharing and easy storage.
Make your PDF files smaller in seconds—fast, free, and secure—right in your browser.