How to crop a PDF on iPhone or Android

What this workflow helps you do

A phone browser can run Crop PDF without a separate desktop program. Device memory, the mobile file picker, camera permissions, and download handling matter more on a phone, so smaller batches are easier to verify.

Choose a PDF from phone storage, adjust the visible page area, and save a cropped copy from the mobile browser.

Plan the task in Crop PDF

Choose the visible area to keep, preview the boundaries, and apply the same percentage crop settings across every page in the PDF.

Crop PDF changes the visible page area to remove scanner borders, excess white space, or unwanted content near the edges. Choose percentage-based crop boundaries, inspect the preview, and apply the same crop settings across the document.

1. Crop PDF pages online with a preview. Adjust top, right, bottom, and left boundaries while checking that headings, page numbers, signatures, and other important content remain visible.
2. Apply consistent crop margins. The same crop percentages are used on every page. This works best when the source pages share a similar size and layout.
3. Do not use cropping as secure redaction. Cropping changes the visible page boxes and may not securely remove hidden content. Use Redact PDF for sensitive selectable text and verify the sharing copy.

Complete the task reliably on a phone

The mobile file picker may show Photos, Files, Downloads, a camera option, or cloud-provider shortcuts depending on the device. Select only the sources required by Crop PDF and return to the browser while processing finishes.

Large documents and high-resolution images use device memory. If the browser reloads or becomes unresponsive, keep the originals and retry with a smaller supported batch rather than repeatedly starting the same large job.

1. Use a current browser and keep the tab active during processing.
2. Save the result to Files or Downloads.
3. Reopen the download outside the tool before sharing it.

Settings and limitations to check

Can I crop PDF pages online for free? Yes. Set the visible boundaries and download a cropped copy without registration.

Can I use a different crop for each page? No. The current tool applies the same percentage boundaries to every page in the selected PDF.

Will cropping permanently remove sensitive information? Do not rely on cropping for redaction. Hidden or recoverable content can remain; use an appropriate redaction workflow instead.

1. Use only the settings needed for the required result.
2. Keep the source file available for comparison.
3. Do not rely on an unsupported exact-size, fidelity, or security promise.

Review the completed file

Reopen the result and inspect every edge at useful zoom.

Open the downloaded result in a separate viewer, inspect important pages or details, and repeat the workflow with adjusted settings if the output is not suitable.

1. Confirm the expected file type and page count.
2. Check important text, images, order, and orientation.
3. Share or submit only the reviewed copy.