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Trim white margins from PDF pages with a live preview.
Drop your files here
or browse, or paste from clipboard
PDF files
Processed in your browser - never uploaded
Wide, empty margins are one of those small annoyances that add up. They waste space on screen, force awkward zooming on a phone or e-reader, and burn through paper and ink when you print. Cropping a PDF trims those borders away so the content you actually care about fills the page.
This Crop PDF tool lets you set exactly how much to shave off each side as a percentage, with a live preview that updates as you adjust so you can see the result before you commit. Everything happens right inside your browser using WebAssembly, so your document is never uploaded to a server, never leaves your device, and is never seen by anyone but you.
The crop is non-destructive: nothing is actually deleted from the file. The tool simply redraws the visible area by setting both the crop box and the media box, so the smaller page size sticks in every PDF viewer and carries through to print.
Add your PDF
Drag your PDF into the tool or click to browse and select it from your device. It loads straight into your browser, with nothing uploaded anywhere.
Set how much to crop
Enter the percentage you want to trim from the top, bottom, left, and right. The live preview updates as you adjust, so you can dial in exactly the right amount before committing.
Crop the PDF
Once the preview looks right, run the crop. The tool applies your settings to every page and sets both the crop box and media box so the new size holds everywhere.
Download your file
Save the cropped PDF back to your device. The original file on your computer is untouched, so you always keep a clean copy.
Every page is cropped entirely in your browser using WebAssembly. Nothing is uploaded to a server, so even sensitive statements or contracts stay completely private.
The crop is non-destructive. It hides the margins by adjusting the page boundaries rather than stripping out content, so no text or images are permanently removed from the file.
Set a different percentage for each side and watch the preview update in real time. You can see exactly what will be trimmed before you save a single file.
Because both the crop box and the media box are set, the smaller page size carries across every PDF reader and prints correctly, not just in the app you happened to use.
Most online PDF tools upload your document to a server to process it. This one does not. Every operation runs inside your own browser using WebAssembly, so your files are read, processed, and saved locally - they are never transmitted, stored, or seen by Sapphire Broking or anyone else. That makes it safe to use with financial statements, contracts, and identity documents.
No. The entire crop runs inside your browser using WebAssembly, so your PDF never leaves your device and is never sent to us or anyone else.
No, the crop is non-destructive. The tool changes the visible area by setting the crop box and media box rather than removing anything, so nothing is actually erased from the file.
Yes. You set the percentage to trim from the top, bottom, left, and right independently, and the live preview shows the result as you adjust each one.
Yes. Because both the crop box and the media box are set to the smaller size, the crop holds consistently across different readers and carries through to print.
The file you download reflects the new cropped boundaries, so the simplest way to restore the original is to keep a copy of your source file before cropping.
Yes. The tool runs in any modern browser, including on mobile, and processes everything locally on the device you are using.
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