Draw a frame around the part you want to keep, or let the tool find the white margins, then download the cropped PDF.
Your files never leave your device
"Detect margins" looks at the page and draws the frame tightly around text and images with a small safety margin. Turn on "Detect margins on every page" to trim each page to its own content in one go.
The tool changes the page box of the PDF instead of converting pages to images, so quality, links and searchable text are kept. Everything runs on your device.
Drag the frame to move it and use its round corner handles to resize it. "Detect margins" places the frame around the content of the current page.
Yes. Turn on "Detect margins on every page" and each page is trimmed to its own content. Otherwise the same frame is used for all pages or only the current one.
No. Pages are not re-rendered: the visible area is changed, so text stays sharp and selectable.
It is hidden, not deleted. Most uses are fine, but to remove sensitive information completely, do not rely on cropping.
Yes. The frame follows the page exactly as you see it, including rotated pages.
No. Cropping happens in your browser and the PDF never leaves your device.