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Crop the margins off a PDF

A scan usually arrives with more paper than page — a white border, or a black strip where the lid did not close. On a phone screen that wasted edge is most of what you can see. Cropping trims it off every page in one step, so the document fills the screen it is read on.

Free on every plan, including the free account.

How it works

  1. 1

    Open PDF Studio and choose Crop Pages

    The file is read in the browser you are already using. Nothing is uploaded.

  2. 2

    Set how much to trim

    The same trim is applied to every page, which is what a scan of one stack of paper needs — all the pages have the same border, so they should lose the same amount.

  3. 3

    Save the cropped file

    The new PDF downloads to your device with the pages trimmed, so it looks right wherever it is opened rather than only in your reader.

What you get

  • One trim applied uniformly to every page
  • Cuts the scanner's black edge as easily as a white margin
  • Runs in your browser — the document never leaves your device
  • No watermark, no account, no page limit
  • Makes a scan far easier to read on a phone

Who it’s for

  • Anyone reading scanned paperwork on a phone
  • Businesses tidying scans before they go to a client or an accountant
  • Anyone whose scanner leaves a black border down one side

Questions

Does cropping delete the content it trims?
It changes the page box — the area the reader draws. Anything outside it is no longer shown or printed. Keep the original if you may need the full page back, as you would with any edit.
Can I crop one page differently from the rest?
Not with this tool — it applies one trim to the whole file, which is what a scan of a single stack of paper needs. A one-off page is a job for the editor.
Is it free, and does it watermark?
Free, no watermark, no account, and no page limit. It runs in your browser. The separate PDF editor is the only part that charges, and it says so before you pay.