Compress PDF
Shrink large PDFs so they’re easy to email and upload. Pick how much to compress and download a smaller file. Compression runs in your browser — your document is never uploaded.
Drag & drop your file here
or
🔒 Your files stay private and are processed securely in your browser.
How to compress a PDF
- 1Upload your PDF
Drop your PDF into the box or click to browse.
- 2Choose a level
Pick Low, Medium or High compression depending on how small you need it.
- 3Download
Save your smaller PDF — we’ll show you how much space you saved.
Compress and resize PDF free — a private PDF resizer
Large PDFs are hard to email and slow to upload. Our compress PDF tool acts as a free PDF resizer, shrinking your file to a smaller size while keeping it readable. Choose Low, Medium or High compression and download — a private alternative to iLovePDF, Smallpdf and other PDF resizer tools, with everything processed in your browser so nothing is uploaded.
Frequently asked questions
Is my PDF uploaded to compress it?
No. Compression happens in your browser using WebAssembly, so your file stays private.
Is this a free PDF resizer / iLovePDF alternative?
Yes. It reduces PDF file size like a PDF resizer, iLovePDF or Smallpdf compress tool, but privately in your browser with no sign-up.
How much smaller will my PDF be?
It depends on the content. Scanned and image-heavy PDFs shrink the most; the tool shows the exact size saved.
Will compression affect quality?
Higher compression reduces image quality slightly. Choose Low to keep the best quality, High for the smallest file.
Is it free?
Yes — free, no sign-up, no watermark.