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pdf · auto trim
Trim PDF Margins
Detects the content on every page and shrinks the visible box to fit (+6pt breathing room). Content is never deleted — the crop box just tightens.
A little guidance. A better result.
How to use Trim PDF Margins
Auto-detect content and tighten the visible box — nothing deleted.
Prepare your input
Open a PDF with excess white margins.
Use the workspace
Run automatic margin detection.
Check your result
Check each page for faint marks or content close to the new edge.
Know the limits
The crop box tightens but hidden content is not deleted. Automatic detection may not suit every scan.
Where does my input go?
This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.
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