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    PDFPDF

    Check the page size of a PDF

    Find out if a PDF is A4, Letter or a custom size before you print. Nothing is uploaded.

    • Your files are never uploaded
    • Processed on your device
    • Works offline
    • Free, no sign-up

    Drop your PDF files here

    PDF files · up to 50 files, 500 MB each

    or paste with Ctrl+V

    Settings

    No settings needed. Add PDFs to see the size of every page.

    Nothing is uploaded

    How it works

    1. Add your PDF

      One or more files.

    2. Read the sizes

      Each page size is shown in mm, inches and points.

    3. Fix if needed

      Use Fix PDF page size to make them the same.

    Know before you print

    Printers and print shops often need a fixed size. This tool lists every page size and names common sizes such as A4 and Letter. Pages of the same size are grouped together.

    Private

    Your file is processed inside your browser with the open-source pdf-lib library. It is never uploaded, and nothing is saved after you close the page.

    Questions

    Are my files uploaded?

    No. The tool runs inside your browser, so your files are opened and changed on your own device. They are never sent to us or to anyone else.

    Why does a page show as turned?

    Some PDFs store pages sideways and turn them when shown. The size shown is the size you see on screen.

    Is it free?

    Yes. Free to use, with no sign-up, no watermark and no daily limits.

    More free tools that run on your device. No uploads