Cut unwanted margins from a PDF so the content fills the page — useful for scans, slides and anything destined for an e-reader.
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Wide margins are fine on paper and wasteful on a screen. A scanned document, a slide deck exported to PDF or an academic paper often carries an inch or more of white space on every edge, which on a tablet or e-reader means the text is rendered much smaller than it needs to be.
Cropping fixes that by redefining the visible area of each page. The tool sets the PDF's crop box rather than rewriting the content, so the operation is fast, lossless and reversible — a viewer shows only the region you chose, but nothing has actually been deleted.
Because every page gets the same treatment, the best results come from documents that were produced consistently: a scan from one machine, an export from one program, a report generated from one template. Mixed-source documents may need splitting first so each section can be cropped to suit.
No. Cropping sets the visible area of the page, so the trimmed content is hidden rather than destroyed. That keeps the file reversible, which is what almost everyone wants.
A PDF point is 1/72 of an inch, which is the unit PDFs use internally. A standard one-inch print margin is 72 points, so cropping 72 from each side removes exactly that.
This tool applies the same crop to every page, which is what you want for a consistently scanned or exported document. For per-page work, split the file first.
Yes. Cropping changes the page geometry, not the content, so it works the same whether the page holds text or a scanned image.
E-readers have small screens, and wide margins waste a large share of them. Cropping the margins makes the text noticeably bigger without changing the file's text at all.
No. The crop is applied in your browser with JavaScript and the PDF never leaves your device.
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