Compress PDF
Shrink your PDF file size while keeping it readable. Processing runs entirely in your browser, zero uploads.
or drop PDF here
One file at a time. Any size works.
0 KB uploaded. Your file never leaves this browser tab.
Open your browser's Network tab while you use this tool, you will see zero data sent to any server.
How to use
1. Upload your PDF
Select any PDF from your device.
2. Auto-compress
We strip redundant metadata and optimize the file structure.
3. Download
Save your smaller PDF instantly.
FAQ
Are my PDFs uploaded to a server?
No. Compression runs entirely in your browser using pdf-lib. Nothing is uploaded.
How much can I compress a PDF?
Image-heavy PDFs typically see 40-80% reduction. Text PDFs may see 10-30%. Results vary by content.
Will my PDF quality decrease?
We remove metadata and optimize structure without touching visual content. Quality stays the same.
Is there a file size limit?
No. Process files as large as your device memory allows.