⌂ Lunibyte

Compress PDF — smaller file, no upload

Shrink oversized PDFs so they fit email attachments. Processed locally — your file never leaves your browser.

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Drop a PDF file here or click to browse

Pages are re-rendered as optimized images. Text stays readable; scanned documents shrink the most.

How to compress a PDF

  1. Drop your PDF into the box above.
  2. Pick a compression level.
  3. Click Compress PDF and download the smaller file.

Tip: compression works best on scanned or image-heavy PDFs. Files that are already mostly text won't shrink much — that's normal.

📖 Step-by-step guide: Compress a PDF without sending it to a server