Crop PDF

Trim margins from every page of a PDF. Set top, right, bottom, and left margins in millimeters or percent, preview the resulting page size, then save a cropped copy. Everything runs in your browser — your files are never uploaded anywhere.

Drop a PDF here

or click to select the file · Accepts .pdf only

    Your PDF is ready

    cropped.pdf

    Crop and trim PDF margins free online

    Crop PDF removes unwanted margins from every page of a document by setting top, right, bottom, and left trim values. This free online cropper runs 100% in your browser — preview the new page size, then download with no uploads.

    How to crop a PDF online

    1. Upload your PDF by dropping it onto the page or selecting it from your device.
    2. Set margin values in millimeters or percent for each side and check the size preview.
    3. Click “Crop PDF” to trim every page with your chosen margins.
    4. Download the cropped PDF — processing happens locally and your file never leaves your device.

    Why use this free PDF crop tool?

    Trimming scan borders or white margins is safer when your documents stay on your computer. No signup, no cost, and the tool works in any modern browser on desktop or mobile without extra software.

    Use this tool for the right PDF task

    Cropping changes the visible page boundary. Use it to remove scanner borders, excess margins or unwanted edge areas; it does not necessarily erase objects that remain outside the new crop box.

    Choose a consistent crop for pages with the same layout, but inspect mixed portrait and landscape pages separately. Leave enough space for printing and binding.

    A dependable step-by-step workflow

    1. Work on a copy and open the source once before editing so you know its page count, orientation and important features.
    2. Apply one type of change at a time. For a multi-step job, download and inspect each intermediate result before continuing.
    3. Reopen the final download in a separate PDF reader and compare the changed pages with the source.

    Limitations and checks that matter

    Check headers, footers, signatures and page numbers at every edge. For confidential material, cropping is not secure redaction because hidden content may still exist in the file.

    Browser processing avoids sending the selected PDF to PDF Online Free, but it does not remove the need to handle the file safely on your own device. Close shared-device sessions, protect downloaded copies and follow any workplace or legal retention rules that apply to the document.

    Plan larger documents and multi-step jobs

    For a long PDF, test the operation on a short representative copy before processing the entire file. Include pages with the most complex layout, the smallest text and any unusual rotation. This reveals quality or compatibility problems early and helps you choose suitable settings without repeatedly handling the complete document.

    When several changes are required, decide the order before starting. Structural actions such as merging, removing and organizing pages normally come first; visible additions such as numbering and watermarks normally come after the sequence is final. Use descriptive output names instead of overwriting the source, and record which operations were applied when the file is part of a business or review process.

    Frequently asked questions

    Can I crop in millimeters or percent? Yes. Switch between millimeters and percent using the units dropdown. The preview updates to show the resulting page dimensions.

    Does cropping apply to every page? Yes. The same margin settings are applied uniformly to all pages in the PDF.

    Is my PDF uploaded when I crop it? No. Cropping runs entirely in your browser. Your file is read locally and is not sent to any server.