Set crop margins and see a live preview before downloading.
Drop your PDF here
or click to browse from your device
Processed entirely in your browser • Never uploaded
Live preview before download. Works entirely in your browser. No uploads. No watermarks.
Scanned documents often come with large white margins, unnecessary borders, or content outside the visible area. Presentations saved as PDFs sometimes have awkward aspect ratios. Cropping a PDF to remove these extras used to require expensive desktop software.
QuickPDFonline's Crop PDF tool lets you trim the margins of any PDF page visually, right from your browser â with a live preview so you see exactly what you'll get before downloading. All processing happens directly in your browser â your files are never uploaded to any server.
Whether you're a student cleaning up a scanned handout, a professional trimming a presentation PDF, or someone removing unnecessary white space before printing â this tool handles it quickly, for free, on any device.
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Click or drag & drop your PDF into the upload area above.
Adjust top, bottom, left, right margins. Live preview updates instantly.
See the purple dashed border showing exactly what area will be kept.
Click Crop & Download â applied to all pages, no watermark.
Live Preview
See exact crop result before downloading â no guesswork.
Applied to All Pages
One crop setting applies to all pages automatically.
100% Private
No file ever uploaded â everything runs in your browser.
No Quality Loss
Cropping only changes visible boundary â content quality unchanged.
No Watermarks
Download exactly what you set â nothing extra added.
Works on Mobile
Phone, tablet, laptop â no installation needed.
PDF cropping adjusts the visible area (crop box) of each page. Content outside the cropped area won't be visible. The original file on your device is never modified â you're downloading a new cropped version.
No. Cropping only changes the visible boundary â it does not re-render, compress, or alter content within the crop area. Quality of text and images inside the cropped region remains exactly as in the original.
The same crop settings apply to all pages at once, which covers most use cases. For different amounts on different pages, you would need to process the PDF in separate steps for each set of pages.
Never. The entire cropping process runs inside your browser using JavaScript and PDF-lib. Your file is never sent to any server. Once you close the tab, no trace of your document remains anywhere outside your own device.
Need to trim your PDF's margins?