Compress PDF
Reduce PDF file size online free. No signup, 100% browser-based. Compress PDFs for email, web upload. Keep quality while shrinking files.
Overview
Reduce your PDF file size instantly without losing quality. Our free online PDF compressor uses advanced algorithms to shrink your files — perfect for email attachments, web uploads, and saving storage space. Everything runs in your browser, so your documents stay private.
How to Compress a PDF File
Upload your PDF file
Click the upload area or drag and drop your PDF file to get started
Choose compression level
Select the desired compression level to balance file size and quality
Download compressed PDF
Click the compress button and download your smaller PDF file instantly
Is this PDF compression tool free to use?
Yes, this PDF compressor is completely free. It runs 100% in your browser, so your files never leave your device. Our smart compression algorithm can reduce PDF size by up to 70% while preserving document quality, making it ideal for email attachments and web uploads.