Crop PDF - Trim Margins Online Free

Upload your PDF, set the crop area or auto-detect margins, and download the trimmed file.

Yes. The crop tool is free with no account needed.

No. Cropping only adjusts the visible page area; the content itself is untouched.

Yes. You can apply the same crop box to every page in one go.

Yes. Cropping runs in your browser and nothing is uploaded.

Cropping trims the visible margins at the edges of each page, removing unwanted white space. Resizing changes the whole page to a different paper size and scales the content. Crop when the page size is right but the borders are too wide or uneven.

Yes. Scans often carry wide, uneven white borders from the scanner bed. Trimming those margins makes the actual content appear larger on phones, tablets and e-readers, and cleaner when printed. It is also useful for tidying slide exports with excess blank space.

Each side can be trimmed from 0 to 200 points, and 72 points equal about one inch, or 2.5 centimetres. The default of 36 points removes roughly half an inch per side. Start small, check the result, then increase the trim if needed.

Cropping only shrinks the visible page area; the underlying content stays inside the file and nothing is permanently deleted. If you trimmed too far, simply run your original PDF again with smaller values. Keeping the original file makes experimenting completely risk-free.

Yes. The top, right, bottom and left values you set are applied to every page in a single pass, which is ideal for documents scanned or exported the same way throughout. The whole job is free and runs in your browser.