Compress PDF

Upload a PDF to apply stream compression. Results vary based on how the PDF was created.

Limits: up to 20 files, 15MB per PDF, 10MB per image, 25MB total, up to 200 pages per PDF.

Drag & drop files here, or browse

About this tool

Upload a PDF to apply stream compression. Results vary based on how the PDF was created. PDF Tool Hub is completely free to use: no sign‑up, no email address, no subscription, and nothing else required. Just open a tool and go. We do not store your files or personal data, do not use tracking cookies, and process files only temporarily on our servers. We do not send your files to third parties.

FAQ

Will quality always improve dramatically?

Some PDFs are already optimized. Compression reduces redundant data where possible.