Compress PDF

Reduce file size while optimizing for maximal PDF quality.

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Runs in your browser. Images are re-encoded for smaller size. Results vary by content.
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Select PDF files

or drop them here · Max 25 MB each

Choose files

Page preview

Upload a PDF to preview pages.

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Compress options

Strong uses lower resolution + JPEG quality for maximum size reduction.

We will compress as close as possible under this limit. Exact size is not always reachable (text-only PDFs have limits).

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Ready!

Your file is ready to download.

How it works

1

Upload

Select or drop your file(s). Processing stays private.

2

Process

We apply the tool instantly in your browser or on our secure server.

3

Download

Get your new file. Nothing is kept after the session.