Compress PDF
Reduce file size with control over image quality.
- 1Add PDFAdd PDF
- 2OptionsOptions
- 3CompressCompress
- 4DownloadDownload
Add a PDF to compress
Your file is compressed in this browser.
Drag and drop your file here. Select a file from your device.Select a file from your device.How it works
- Add your PDFChoose a file or drop it on the page.
- Pick a levelHigher quality, Balanced or Smaller file.
- DownloadKeep the smaller copy. Your original stays unchanged.
Works well with Compress PDF
Explore all Secure tools- Protect PDFEncrypt a PDF with a password so only people who know it can open it.
- Merge PDFCombine several PDFs into one file, in the order you choose.
- Page numbersAdd page numbers to your PDF, choosing the position, style and start number.
- Sign PDFDraw, type or upload your signature and place it on a PDF.
- Split PDFDivide a PDF into separate files by page ranges, size or every few pages.
- PDF to PDF/AMake an archive-ready PDF/A copy of your document and check how it conforms.
Ready to sign it?
Sign PDF adds your signature, initials and date on this device. Request signatures sets signers, order and an audit trail.
Runs in your browser, so your file is not uploaded. An optional server mode exists but is off.
Also searched as: reduce pdf file size, pdf compressor, shrink pdf, optimize pdf.
Questions
How much smaller will my PDF get?
It depends on the file. PDFs with large photos shrink the most; text-only PDFs often barely change. You see the new size before you download.
Does compressing change how the PDF looks?
Text and vector graphics stay sharp. Photos are re-saved at a lower quality, which is where most of the saving comes from.
Are my files uploaded?
Runs in your browser, so your file is not uploaded. An optional server mode exists but is off.
Is Compress PDF free?
Yes. No signup and no watermark.
Will it work on an old phone?
Yes for most files. On low-memory phones files up to 20 MB are safest; above your device's limit you get a warning and can try anyway.
Does it work on Mac, Windows, iPhone and Android?
Yes. It runs in any current browser, so there is nothing to install on any of them.