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Reduce PDF size

Need a smaller PDF for e-mail or an upload? The recommended settings shrink the pictures inside the PDF to a resolution that still looks sharp on screen, and leave the text untouched.

Runs in your browser — files are never uploaded

How to use Reduce PDF size

  1. Drop one or more PDF files onto the page.
  2. Keep the recommended level, or choose Low for sharper or Strong for smaller files.
  3. Click “Reduce PDF size” and download the result.

Frequently asked questions

Why is my PDF so big?

Usually because of photos or scans stored at a much higher resolution than needed. Those are what this tool shrinks.

Will the PDF still look good?

Yes. With the recommended setting images are kept at 150 dpi, which looks sharp on screens and in most prints, and text is not changed at all.

Can I set an exact size?

Yes — use “Change PDF size” to choose a maximum file size such as 1 MB.

More ways to use this tool

Compress PDF

Make PDFs smaller while text stays sharp and searchable.

Change PDF size

Get a PDF under a size limit such as 1 MB or 500 KB.

Merge PDF

Combine several PDFs into one file, in the order you want.

Split PDF

Extract page ranges or split every page into its own PDF.