Compress a PDF: smaller, in your browser
Shrink a PDF by re-encoding its pages. It's most effective on scanned and image-heavy documents, the ones that are actually too big to email. Everything runs on your device; the file is never uploaded.
Real reduction on scans
Image-heavy and scanned PDFs drop a lot in size.
Won't hand back a bigger file
If a PDF is mostly text and wouldn't shrink, we keep your original instead.
Nothing uploaded
Re-encoded in your browser, unlike compressors that upload your document.
How it works
Drop your PDF
Read on your device.
Choose a level
Smaller, balanced, or higher quality.
Compress & download
See the before/after size.
Questions
How do I compress a PDF for free?+
Drop the PDF in, pick a compression level, and download a smaller file. It's re-encoded in your browser, and nothing is uploaded.
Why didn't my PDF get smaller?+
This method shrinks scanned and image-heavy PDFs. A text-only PDF is already compact and won't shrink, so we keep your original rather than return a larger file.
Does it reduce quality?+
Pages are re-encoded as images, so there's some quality loss and text stops being selectable. Choose a higher-quality level if that matters.