📦

Compress PDF

Shrink large PDF files by up to 90% without sacrificing visible quality. Perfect for emailing reports, uploading to portals, or saving storage space.

Drop your file here

or browse files

Input: .pdf Output: .pdf

pdf-lib stream optimizer (runs in your browser)

Processing…

🔒 This tool runs entirely in your browser — your file is never uploaded to any server.

How to compress pdf

Upload the PDF you want to shrink.

Choose a compression level — low, recommended, or extreme.

Download your compressed file in seconds.

Typically 60–90% depending on the original content, especially for image-heavy PDFs.

No, text remains crisp — compression primarily optimizes embedded images.

Free users can compress files up to 100MB; Pro users up to 500MB.