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PDF Compress

Shrink a PDF by recompressing its photos and scans; the text stays sharp and selectable. Nothing is uploaded.

How to Use

1

Choose a PDF

Drop the PDF to compress or click to browse.

2

Pick a level

Low, medium or high: the higher the level, the smaller the photos.

3

Download

Save the smaller PDF.

Features

Nothing uploaded
Text stays selectable
Three levels
Big gains on scans

Frequently Asked Questions

Scanned documents and photo-heavy PDFs often shrink by 50 to 90 %. A PDF made mostly of text is already light and gains little.

No. Only photos and scanned pages are recompressed; text, fonts and drawings are left as they are and stay selectable.

No. The file is processed by your browser and never leaves your device.

Reduce PDF file sizes while maintaining quality. Perfect for email attachments, web uploads, and storage optimization. Process files securely in your browser without uploading to servers.

Did You Know?

The PDF format was developed by Adobe and released in 1993. A 1MB PDF from 1993 would contain about 10 pages of text. Today, with better compression algorithms, the same 1MB can hold over 100 pages of text with images!

Pro Tips

  • Higher compression ratios reduce image quality - find the right balance
  • Scanned PDFs compress much better than text-heavy documents
  • Remove unused embedded fonts to significantly reduce size

Common Use Cases

  • Meeting email attachment size limits
  • Uploading to form systems with file size restrictions
  • Reducing storage costs for document archives
  • Speeding up PDF loading on websites
  • Sharing large documents on mobile

Best Practices

  • Always keep an uncompressed backup of important documents
  • Test compressed PDFs to ensure text is still selectable
  • Use appropriate compression level based on the document type

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