Crop a PDF

Crop any PDF page, directly in your browser

The iSharePDF crop tool lets you trim the visible area of any PDF page: remove white margins, cut out a specific region, or resize the page canvas to match your exact needs. Select the crop area visually, adjust the coordinates, and download the result in seconds.

Your files never leave your device. Everything runs locally in your browser using PDF.js and client-side processing, no upload, no server, no account required. Free to use, with no watermark added to your output.

How to crop a PDF

1. Open your file, Click "Choose file" or drag and drop your PDF into the tool. The file is loaded directly in your browser.
2. Select the pages to crop, Choose to crop all pages at once or target specific page ranges.
3. Draw the crop area, Use the visual selector to define the crop rectangle, or enter exact margin values (top, bottom, left, right) in millimetres or points.
4. Download the result, Click "Crop PDF" and save the trimmed file immediately. No waiting, no email, no sign-up.

Why use iSharePDF to crop your PDF

• Completely free, No subscription, no credit, no trial period. Crop as many PDFs as you need.
• 100% local processing, Your PDF is never uploaded anywhere. All processing happens inside your browser tab, on your own hardware.
• No privacy risk, Confidential documents, contracts, medical records, none of your data passes through a third-party server.
• No watermark, The output file is clean. No branding, no stamp, no added text.
• Unlimited use, any device, Works on desktop, tablet and mobile browsers. No installation required.

When cropping a PDF is useful

Cropping comes up in a range of everyday workflows: removing the thick white margins around a scanned document before printing, isolating a chart or figure from a research paper to embed in a presentation, or trimming a letterhead out of a PDF template before reusing the layout. It is also common when preparing PDFs for e-readers or tablets, where oversized margins waste screen space.

Frequently asked questions

Does cropping a PDF actually reduce the file size?

Not necessarily. Cropping a PDF changes the visible page boundaries (the MediaBox or CropBox), but the underlying content outside the cropped area may still be stored in the file. For a significant file size reduction, you should combine cropping with compression. iSharePDF offers a separate compress tool for that purpose.

Can I crop only certain pages in a multi-page PDF?

Yes. The tool lets you apply the crop to all pages or to a specific page range. If you need different crop areas on different pages, you can process the file in separate passes, split the PDF first, crop each part, then merge the results back together using the other tools available on iSharePDF.

Will cropping a PDF remove content permanently?

When you crop a PDF, the content outside the selected area is hidden, not deleted at the data level. The visible output is cropped cleanly, but if you later open the file in a PDF editor and expand the page box, the hidden content may reappear. If you need to permanently remove content for confidentiality reasons, use a dedicated redaction tool.

Is it safe to crop a PDF containing sensitive information?

Yes. Because iSharePDF processes everything locally in your browser, your document is never transmitted over the internet. The file stays on your device at all times. This makes the tool suitable for sensitive materials such as legal documents, financial statements, or medical files, without any risk of interception or server-side storage.

What is the difference between cropping and resizing a PDF?

Cropping changes the visible area of the page by cutting away the edges, it does not scale the content. Resizing (or scaling) changes the actual dimensions of the page, stretching or shrinking the content to fit a new format such as A4 or Letter. If you need to change the page size rather than trim the margins, use a resize or scale tool instead.