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Crop PDF

Crop PDF pages to remove unwanted margins or resize content. Set custom crop areas visually or enter precise dimensions. Apply to single pages or the entire document.

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Drop a PDF file to crop

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Select Files

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Crop PDF pages to a visible area

Trim visible margins or focus a page on a smaller area. Cropping changes what a reader sees but may leave hidden content in the file, so use a proper redaction workflow for confidential information.

How it works

Choose your file

Drag and drop or select files from your device. Document contents stay in your browser.

Run the tool

Choose any available options, then process or inspect the file.

Review the result

Check the outcome and download a file when the tool creates one.

Frequently Asked Questions

You can visually drag a crop rectangle on the page preview, or enter precise dimensions in millimeters or inches. The crop area can be applied to a single page, a range of pages, or the entire document at once.
Cropping adjusts the visible area of the PDF page. Some PDF viewers may still retain the hidden content. If you need to permanently remove content outside the crop area, use our tool's 'flatten crop' option.
Yes. You can set a unique crop area for each page individually, or apply the same crop dimensions to all pages at once. This flexibility is useful when pages have inconsistent margins or layouts.

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What Is PDF Cropping?

PDF cropping adjusts the visible area of PDF pages by trimming margins, removing whitespace, or focusing on a specific region of each page. This changes what viewers see when they open the document, hiding the areas outside the crop boundary without permanently deleting content.

Cropping is commonly used to remove excess margins from scanned documents, trim whitespace around content for tighter layouts, focus on specific regions of technical drawings, or standardize page dimensions across documents from different sources.

One23PDF's cropping tool lets you set precise crop boundaries using visual controls or exact measurements. Apply the same crop to all pages or customize individual pages. All processing happens locally in your browser with no file uploads, no account required, and no restrictions on file size or page count.

Benefits of Cropping PDFs with One23PDF

Remove Unwanted Margins

Trim excessive whitespace and margins from scanned documents or PDFs with oversized borders. Get clean, content-focused pages ready for sharing or printing.

Standardize Page Sizes

Bring consistency to documents assembled from multiple sources by cropping all pages to the same dimensions. Ideal for merged documents and portfolios.

Focus on Content

Crop to highlight specific sections of a page — a chart, diagram, or table — removing surrounding text and graphics that aren't relevant to your purpose.

No Quality Loss

Cropping adjusts the visible area without recompressing or re-rendering content. Your text, images, and graphics maintain their original resolution and clarity.

How to Crop PDF Pages with One23PDF

  1. 1

    Upload Your PDF

    Drag and drop your PDF into the crop tool or click to browse. One23PDF displays your pages with adjustable crop boundaries.

  2. 2

    Set Crop Area

    Drag the crop handles or enter precise measurements to define the visible area. Apply the same crop to all pages or adjust individual pages separately.

  3. 3

    Download Cropped PDF

    Click apply and download your cropped PDF. The trimmed pages are ready for viewing, sharing, or printing with your optimized layout.

Common Use Cases for PDF Cropping

  • Removing oversized printer margins from scanned documents
  • Trimming whitespace around content for tighter, cleaner layouts
  • Focusing on specific charts, diagrams, or content regions
  • Standardizing page dimensions across documents from different sources
  • Preparing PDFs for professional printing with precise bleed areas

One23PDF vs. Other PDF Cropping Tools

PDF cropping is a feature typically found only in premium tools like Adobe Acrobat Pro or Foxit Editor, both of which require paid licenses and desktop installation. Free online cropping tools are rare, and those that exist usually upload your files to remote servers with significant limitations.

One23PDF offers precise PDF cropping entirely in your browser — no file uploads, no software installation, and no cost. Set exact crop dimensions, preview the result, and download your optimized PDF in seconds. Your documents never leave your device.

Whether you're standardizing scanned document margins, preparing print-ready layouts, or trimming content for specific presentations, One23PDF gives you the control of desktop software with the convenience and privacy of browser-based processing.