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Compress PDF free

Make PDFs smaller for email and upload limits. Choose lossless clean-up or strong image compression.

๐Ÿ”’ Your files are processed in your browser and never uploaded to our servers, so there is nothing for us to store or delete (no server copy, retention time: none).

How to use Compress PDF

  1. Choose a PDF.
  2. Pick Basic (keeps selectable text) or Strong/Extreme (best for scans and photos).
  3. Click Compress PDF and compare the before/after size.

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Frequently asked questions

Which level should I choose?

Basic is lossless and keeps text selectable but saves less. Strong and Extreme turn each page into a compressed image, which shrinks scanned documents a lot but makes text unselectable.

Why did my file not get smaller?

Some PDFs are already optimized. Try a stronger level, or the file may be mostly text, which is already compact.

Are my files uploaded?

No. Compression runs in your browser.

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