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Crop PDF Online

Drag & Drop your PDF here or click to browse

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About Our PDF Cropper

Cropping PDF files is essential when you need to focus on specific content, remove unnecessary margins, or adjust the layout for printing on different paper sizes. Our PDF Cropping Tool offers a sophisticated, client-side solution that gives you precise control over your document's dimensions without compromising privacy. Unlike other tools that upload your sensitive documents to remote servers, our technology processes everything directly within your browser. This means your data never leaves your device, ensuring maximum security for legal contracts, financial statements, and personal records. If you need to secure your files further, consider our Protect PDF with Password tool.

The interface is designed for both speed and precision. With a drag-and-drop canvas, you can visually adjust the crop area, while the sidebar inputs allow for pixel-perfect adjustments for professional requirements. Whether you are preparing a manuscript for publication, trimming white space from scanned receipts, or harmonizing the page sizes of a merged document, this tool adapts to your workflow. The underlying engine maintains the vector quality of your PDF, unlike Edit PDF Metadata tools which only change file properties without altering the visible content.

How to Crop PDF Pages

Using this tool is intuitive. Follow these simple steps to crop your PDF files effectively, similar to how you might add Page Numbers to organize a document:

  1. Upload your PDF: Drag and drop your file into the designated area or click to browse your device. The tool will instantly load thumbnails of every page.
  2. Select a Page: Click on any thumbnail in the left sidebar to load it into the main editor view.
  3. Adjust Crop Area: A crop box will appear over the page. Drag the corners or edges to define the area you want to keep. The darkened area outside the box will be removed.
  4. Fine-tune: Use the input fields on the right to enter exact coordinates if you need precise margins for printing (e.g., A4 or Letter formatting).
  5. Apply Changes: You can choose to apply the crop to just the current page, specific selected pages (using the checkboxes under thumbnails), or the entire document.
  6. Download: Once satisfied, click the "Download Cropped PDF" button. A new file containing only your selected areas will be generated instantly.

Frequently Asked Questions

Absolutely. Privacy is the core feature of Randomly.online. Unlike many other online PDF tools that upload your file to a cloud server for processing, our tool operates 100% client-side. The code runs entirely within your web browser using JavaScript libraries like WebAssembly. This means your file is processed by your own computer's processor and memory, and it is never transmitted over the internet. You can even disconnect from the internet after loading the page, and the tool will still function perfectly.

No. We use advanced vector manipulation techniques. When you crop a PDF using this tool, we are essentially adjusting the "MediaBox" and "CropBox" definitions within the file's internal structure. We do not convert the PDF pages into images unless absolutely necessary. For converting to images, you can use our PDF to Grayscale or JPG tools. The final output here retains the original text, fonts, and vector graphics.

Yes, you have full flexibility. The "Current Page Only" option allows you to set a unique crop area for specific pages. This is useful if you need to Rearrange PDF Pages later or handle documents with mixed landscape and portrait orientations.