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  • Compress PDF

    Reduce the size of any PDF. Pages are re-rendered at the quality level you choose — High (75%), Medium (50%) or Low (25%) — and repacked as an optimized file. You always see the before/after size.

    Drop a file here or choose from device

    Accepted: PDF · up to 50MB
    How it works

    How to compress pdf

    Upload the PDF you want to compress.

    Pick a quality level — High keeps quality, Low maximizes savings.

    Download the compressed file and compare sizes.

    FAQ

    Compress PDF — frequently asked

    Yes. Compress PDF is free to use with no account required, no watermarks on your output and no hidden limits.

    No. Compress PDF runs entirely in your browser — your file never leaves your device.

    Compress PDF accepts PDF files.

    Yes — the whole workspace is fully responsive and works the same way on mobile browsers.