Crop PDF Margins — Trim Whitespace & Borders Online Free

Fast, free, and 100% private online PDF tool

Drop PDF to crop margins

Trim white whitespace, headers, or borders from PDF pages with live visual preview

Up to 150.00 MB per file • Single file

Processed 100% locally in your browser. Your files never leave your device.

Processed 100% locally in your browser

Your files never leave your device. Zero server uploads.

How It Works

Upload PDF

Select or drop your PDF document into the crop studio.

Adjust Margins

Use the margin trim sliders to set your desired crop boundaries on the live preview.

Download Cropped PDF

Click "Crop & Download PDF" to save your trimmed document.

Frequently Asked Questions

Quick answers about this tool

How does the PDF crop tool work?▼

Our tool updates the PDF CropBox boundaries and page viewport coordinates, cleanly trimming excess whitespace without degrading document quality.

Can I apply the crop to all pages at once?▼

Yes! Check "Apply this crop to all pages" to batch trim every page in your document simultaneously.

Is my file uploaded anywhere?▼

No. All rendering and cropping happens directly in your browser tab.

About This Tool

Trim excess whitespace, crop uneven page borders, and adjust margins on your PDF documents with our free online PDF crop tool. Use interactive margin sliders and live shaded previews to trim individual pages or apply uniform cropping across the entire document. Works 100% locally in your browser with zero server uploads.

Why Choose AeroPDF?

100% Private

Processed entirely in your browser with no cloud uploads.

Instant Speed

No waiting for slow server roundtrips or queues.

Any Device

Works smoothly on Windows, Mac, iOS, and Android.

Key Features

Visual crop box with live shaded overlay preview

Independent top, bottom, left, and right margin trim controls

Quick 1-click presets (Trim 5%, 10%, 15% margins)

Batch apply crop to all pages or single active page

100% private client-side processing with zero server uploads

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