PDF Tools

Compress PDF

Reduce PDF file size for email, uploads, and client delivery while keeping a result-first comparison before you download anything.

Before you upload

  • Works with one `.pdf` file at a time and keeps processing in your browser.
  • Best results usually come from PDFs with duplicate structure or inefficient object streams.
  • Image-heavy or already optimized PDFs may shrink only a little, or not at all.

What you get

You will see the original size, optimized size, and savings before deciding to download the output file.

or drag and drop a PDF file here

Private by default. Your PDF stays on this device unless your browser or extensions say otherwise.

Ready for upload.

Common use cases

  • Prepare PDFs for email attachments and approval loops
  • Reduce upload size for portals, forms, and client handoff systems
  • Check whether a PDF can be made lighter before sending or archiving

What to do next

If the pages are not in the right order yet, start with PDF Merge. If the file needs to be broken into parts instead of compressed, use PDF Split.

Quick FAQ