Compress PDF
Compress a PDF to a smaller file size, entirely in your browser. Best for image-heavy and scanned PDFs, which it can shrink dramatically; pages are rasterised at your chosen quality, so this is ideal for scans rather than text documents. Your file is never uploaded.
Runs in your browserDrop files, paste, or click to browse
Files are processed in your browser — they never leave your device.
Add a file to continue.
How to compress pdf
Compress a PDF to a smaller file size, entirely in your browser. Best for image-heavy and scanned PDFs, which it can shrink dramatically; pages are rasterised at your chosen quality, so this is ideal for scans rather than text documents. Your file is never uploaded. To use Compress PDF: 1) add your file by dragging them in or clicking to browse, 2) choose your optimization settings, 3) download your result — done in seconds. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
Popular ways to use compress pdf
Frequently asked questions
- Is Compress PDF free to use?
- Yes. Compress PDF is free to use. It's free, needs no signup, and most tools run right in your browser so your files never leave your device.
- Are my files safe and private?
- Completely. Compress PDF processes your file directly in your browser, so it is never uploaded to any server.
- Do I need to install anything?
- No. Compress PDF works in any modern web browser on Windows, Mac, Linux, iPhone and Android — nothing to install.