Compress PDF Files Instantly Free
Reduce PDF file sizes by up to 80% while maintaining document quality. Browser-based processing — your PDFs never leave your device.
Drop PDF files here
PDF only • Max 50MB each • Up to 10 files
Supported: .PDF
How It Works
Upload PDF
Select or drag & drop your PDF files
Choose Mode
Pick Extreme, Recommended, or High Quality
Download
Save your compressed PDF instantly
FAQs
How much can I compress a PDF?+
Compression depends on the PDF content. PDFs with images can often be reduced by 50-80%. Text-heavy PDFs typically compress 20-40%.
Will compression affect PDF quality?+
Using 'Recommended' or 'High Quality' modes maintains readable text and acceptable image quality. 'Extreme' mode maximizes size reduction.
Is my PDF secure?+
Compression happens in your browser using PDF-lib. No files are uploaded to our servers, ensuring complete privacy.
Can I compress password-protected PDFs?+
Currently, password-protected PDFs need to be unlocked first before compression.