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Compress a PDF file

Make a PDF smaller so it fits under an email or upload limit. Photos and scans are resized and re-saved, text stays sharp and selectable.

    How to compress a PDF file

    1. Add the PDF you want to shrink.
    2. Pick a compression level. Recommended suits most email and upload limits.
    3. Press Compress PDF and check the new size before downloading.

    At a glance

    Where files are processedIn your browser. The file is never uploaded.
    How long files are keptNothing is kept on a server, because nothing is sent to one.
    Free limitsNo caps on files, pages or tasks. Your device's memory is the practical limit.
    AccountNone
    PriceFree
    AdsNone
    Offline optionNo app. Works in any current browser, on desktop and phone

    Private by design

    Compression, encryption and text recognition all run in your browser. Your file and your password are never sent to a server.

    Good to know

    Most of a big PDF's weight is photos and scanned pages stored at a far higher resolution than a screen or printer needs. Recommended brings images down to about 150 dpi at the largest page size, which still prints cleanly. Text, vector drawings and fonts are not touched.

    Questions

    How much smaller will my file get?

    It depends on what is inside. Scans and photo-heavy reports often lose 50 to 90 percent. A PDF that is mostly text is usually small already and may barely change.

    Will the text still be selectable?

    Yes, with Light, Recommended and Strong. Only Maximum turns pages into images.

    Why did nothing change?

    The images are already compressed as much as this level allows, or the size comes from embedded fonts. Try Strong, or Maximum for scans.

    Is my document uploaded to compress it?

    No. The images are decoded and re-encoded by your own browser.

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