✦ FREE ONLINE PDF TOOL

Compress PDF Online

Reduce PDF file size with adjustable image quality and resolution. Compare the estimated and actual output size, then download your compressed PDF. Simple, convenient, and processed in your browser.

🔒 Browser-based processing ✓ No watermark added ⚡ Adjustable quality
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Upload your PDF

Choose a PDF file to get started
📄
Drop your PDF here

or browse files from your device
PDF files only · Processed locally

PDF
document.pdf
0 KB
Pages: — Original preserved Local processing
Compression level Choose a preset
Manual settings
130 DPI
Lower DPI usually creates smaller files. Higher DPI preserves more detail.
65%
Lower quality means stronger compression, but visible image artifacts may increase.
Important: This compression method converts PDF pages into images. Text may no longer be selectable or searchable, and links, forms, and some document features may not be preserved. Keep your original file.
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Size comparison

Estimate updates when settings change
Estimated output size Waiting for PDF
— upload a PDF first
The estimate is approximate. Actual size depends on page content and images.
Original size—
Estimated change—
The estimate is not a guarantee. A text-heavy or already optimized PDF may become larger after image-based compression. The final size below is measured from the generated file.
Preparing PDF…0%
Starting browser-based compression…

Compression complete

🔒
Private processingYour PDF is processed in your browser and is not uploaded by this page.
⚡
Live estimatesSee estimated size changes as you adjust settings.
🎚️
Custom controlChoose your preferred DPI and JPEG quality.

How to compress a PDF

  1. Choose a PDF from your device or drag it into the upload area.
  2. Select Low, Medium, or High compression, or customize DPI and JPEG quality.
  3. Select Compress PDF and wait while your browser processes each page.
  4. Review the actual output size and select the download button.

Note: This tool converts pages to images. Searchable text, selectable text, links, forms, and some original PDF features may not be retained in the compressed output.

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