Free Online Tools

About Compress PDF

Large PDF files can be slow to upload, email, or share. Our free PDF compressor re-optimizes your document's internal structure to reduce file size, making it easier to send and store without needing any software installation.

Upload your PDF and download a smaller version, ready to share.

How To Use Compress PDF

1

Upload your PDF

Add the document you want to shrink.

2

Compress the file

Click process to re-optimize the internal structure.

3

Download the smaller PDF

Get a reduced-size version, ready to share.

Frequently Asked Questions

1. How much smaller will my PDF be?

Results vary depending on the original file — PDFs with large embedded images typically see more size reduction than text-only documents.

2. Will compression affect readability?

No, compression optimizes the internal file structure without altering the visible content or readability of your document.

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