bissap

Tools · Compress a PDF

Compress a PDF

Reduce your file size without losing quality. Processing happens in your browser.

Drop your PDF here
or
Choose a file
PDF · up to 100 MB
Level

Processed on your device. Your files never leave it.

Reduce the size of your PDFs without installing any software. Everything happens in your browser: your file never leaves your device.

  • 100% client-side compression: nothing is uploaded.
  • Three levels: light, recommended, maximum.
  • Free, no sign-up, no watermark.

See also

Merge PDFs
Combine several files into one.
Split a PDF
Extract or separate pages.
Delete pages
Remove pages from a PDF.
Organize a PDF
Reorder or delete pages.

Frequently asked questions

How do I compress a PDF file online?
Open the bissap compression tool, drag in your PDF file, choose the compression level, then download the result. Everything happens in a few seconds, with no installation.
Can you compress a PDF without losing quality?
Yes, bissap offers a mode that reduces the PDF size while keeping crisp text and readable images. You pick the right balance between size and quality.
How do I reduce a PDF to 300 KB for an online submission?
Select the strongest compression level, or adjust the settings until you reach the size you need. This is ideal for forms that enforce a file size limit.
Is PDF compression free, and are my files sent to a server?
It is free, with no sign-up and no ads. Your files never leave your device: compression happens 100% in your browser.