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Guides Oct 12, 2026 4 min read

How to Crop a PDF on Mac and Windows (Without Adobe Acrobat)

Whether you are preparing lecture slides for printing, trimming scanned book pages, or removing printer bleed marks from digital artwork, learning how to crop a PDF is an essential productivity skill.

Huge White MarginsClean & Borderless

Whether you are preparing lecture slides for printing, trimming scanned book pages, or removing printer bleed marks from digital artwork, learning how to crop a PDF is an essential productivity skill.

Unfortunately, big PDF software like Adobe Acrobat locks basic page trimming behind an expensive subscription. Below, we break down the three easiest, fastest, and most reliable ways to crop PDF documents on Mac, Windows, and mobile.

Method 1: The Fastest Way — Crop PDF Online with DocMatePDF (Mac, Windows, Mobile)

If you want to visually adjust margins with real-time drag-and-drop handles—or apply a uniform crop across all pages at once—the DocMatePDF Crop Tool is the best choice. It runs 100% locally in your browser via WebAssembly (WASM), meaning your sensitive files never touch external cloud servers.

How to crop your PDF in 3 simple steps:

  1. DocMatePDF Crop Tool – Go to the DocMatePDF Crop Tool and drop your PDF into the upload area.
  2. Adjust the cropping handles over the document preview to frame your text or graphics. You can choose to crop the active page or select Apply to All Pages.
  3. Click Crop PDF to download your cleanly framed, high-resolution document instantly.

Ready to trim your PDF margins?

Free, client-side in-browser cropping with instant visual handles.

Open Free PDF Cropper

Method 2: How to Crop a PDF on Mac Using Apple Preview

If you are on a Mac and only need to crop a single page, macOS has a hidden cropping shortcut built right into its native Preview application.

  1. Double-click your PDF to open it in Preview (default macOS viewer).
  2. Click the Markup Toolbar button (the small pen tip circle icon in the upper-right).
  3. Click the Rectangular Selection tool.
  4. Click and drag your mouse over the exact section of the page you wish to keep.
  5. Press the keyboard shortcut Cmd + K (or go to Tools > Crop in the menu bar).
  6. Press Cmd + S to save the document.
Important Mac Preview Caveat: Mac Preview only conceals the cropped data rather than deleting it. If you open the file in another viewer or print it, hidden margins might reappear. To make the crop permanent, use an online tool like DocMatePDF or re-print the document as a new PDF.

Method 3: How to Crop a PDF on Windows (Virtual Print Method)

Windows does not have a native cropping utility in its default Edge PDF viewer. However, you can eliminate unwanted white borders by using the Microsoft Print to PDF scale trick:

  1. Open your PDF in Google Chrome or Microsoft Edge.
  2. Press Ctrl + P to open the Print dialog.
  3. Change the destination printer to Microsoft Print to PDF.
  4. Under More Settings, set Scale to Custom (e.g., 120% or 130%) to expand the content and push excess white margins off the printable page.
  5. Click Print and save your newly scaled PDF.

Comparison: Which Cropping Method Should You Use?

MethodDocMatePDF OnlineApple Preview (Mac)Adobe Acrobat Pro
Cost100% FreeFree (Mac only)$239.88 / year
Batch All PagesYes (1-Click)NoYes
Privacy100% In-Browser WASMLocalLocal software
GOT QUESTIONS?

Frequently Asked Questions

Everything you need to know about this topic.

Yes. With DocMatePDF, you can select whether your crop area applies only to the current page or across every page in the document simultaneously.
Standard PDF cropping adjusts the visible bounding box (CropBox). The cropped content is hidden from view and print. To permanently delete confidential or sensitive information, use our Redact PDF tool.
Upload your scanned PDF to the DocMatePDF Crop tool, pull the crop boundary slightly inside the printer alignment marks, and download the clean, borderless PDF in seconds.

Emily

Author
Fact-checked by DocMatePDF Editorial Team

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