Crop PDF Online Free — Trim Margins, Remove Whitespace & Resize Pages

Drag to crop visually or enter exact margin values — apply to one page or all pages at once. Free, unlimited, and entirely in your browser. No upload, no account.

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PDF up to 50MB

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How it works

How to Crop a PDF Online — 4 Steps

The full crop-and-download workflow takes most users under 30 seconds. No account, no installation — drop your file in and start cropping immediately.

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Step 1: Upload Your PDF
Click to browse or drag and drop your PDF onto the upload area. Your file loads locally in your browser; nothing is sent to any server. Files up to 50MB are supported.
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Step 2: Choose Your Crop Method — Visual or Numeric
Once your PDF loads, you have two ways to set the crop area: drag the visual handles around the page, or adjust the numeric margin values for top, bottom, left and right. You can use both methods together — set a rough crop by dragging, then fine-tune with exact numeric values.
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Step 3: Apply to One Page or All Pages
Choose whether to apply your crop settings to a single page, selected pages, or the entire document uniformly. The per-page crop option lets you set different crop dimensions for different pages — useful for scanned PDFs where scanner alignment varies page by page.
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Step 4: Download Your Cropped PDF Instantly
Click Download. Your cropped PDF is generated in your browser and saved to your device. The output contains only the visible content area you defined; the cropped regions are removed from view.

Crop methods

Two Ways to Crop: Drag-to-Crop or Enter Exact Margins

Pick the method that fits your document. Use them together for the most precise result — rough crop with the visual handles, then fine-tune with exact numeric values.

Method 1: Drag-to-Crop (Visual Preview)

Drag the crop handles around the page until the visible area matches what you want to keep. The live preview updates as you drag — useful when you don't know exact dimensions in advance, when removing irregular whitespace from scanned documents, or when cropping by eye to a target visual proportion.

Method 2: Numeric Margin Input (Exact Precision)

Enter exact margin values for top, bottom, left, and right. Useful when you need an exact size (e.g. cropping A4 down to A5), when you're matching a print specification, or when batch-cropping multiple PDFs to consistent dimensions. iLovePDF's crop tool doesn't offer numeric input — only drag.

What Is PDF Cropping — and When Should You Use It?

PDF cropping adjusts the visible area of a PDF page — the region that appears when the file is opened and printed. It does not delete the content outside the crop box; instead, it changes the page's visible boundary, hiding the cropped regions from view. This means PDF cropping is ideal for presentation and formatting but is not the same as redacting content (which permanently removes it).

Common use cases include: removing excessive whitespace margins from a document that was formatted for a different paper size; cleaning up scanned document borders and scanner shadow artifacts; trimming a downloaded form so only the completed content is visible; resizing a PDF to fit a specific display or print format; and removing headers or footers from individual pages before sharing.

Crop Scanned PDFs — Remove Scanner Borders & Shadows

Scanned PDFs often have uneven margins, black borders, or dark shadow artefacts along the edges where the document met the scanner glass. These are among the most common reasons people need to crop a PDF. The drag-to-crop method works well here: pull the crop handles inward until the scanner border falls outside the new crop area, and the preview confirms what the cleaned page will look like.

For a stack of scanned pages, the uniform crop option applies the same margins to every page — useful when pages were consistently positioned on the scanner. For pages with varying alignment, use per-page crop to set individual boundaries page by page.

The Only Free Crop PDF Tool Where Your File Stays in Your Browser

Every major PDF cropping tool — SmallPDF, iLovePDF, Sejda, Adobe Acrobat online — uploads your PDF to a remote server before processing it. The crop happens on their hardware, and your document is temporarily stored on their infrastructure. SmallPDF deletes files after one hour. iLovePDF processes on GDPR-compliant servers. These are policy-based assurances.

OneClickPDF's crop tool works differently. All cropping happens inside your browser using your device's own processor. Your PDF never leaves your device. There is no upload, no server-side processing, and no data-retention policy to trust — because nothing is ever sent. This architecture matters for confidential documents such as financial statements, legal contracts, and medical records, where even a one-hour server retention window represents a data exposure point.

Works on Mac, Windows, iPhone, Android — No Download

OneClickPDF's crop tool runs in any modern browser on any operating system — Chrome, Safari, Firefox, and Edge on Mac, Windows, and Linux. Mobile users on iPhone and iPad (iOS Safari) and Android (Chrome) can use the drag-to-crop interface with touch gestures, and enter exact margin values in the numeric input. No application to download, no browser extension, no plugin required. For typical documents, cropping completes in under two seconds.

Why choose ours?

How OneClickPDF Crop compares

Every competitor uploads your file to their server. Ours never does — cropping happens entirely in your browser.

Feature	SmallPDF	iLovePDF	Sejda	PDF24	Adobe	Ours
Free & unlimited	✗ 2/hr	✗ Daily	✗ 3/hr	✓	✗ Paid	✓
No account needed	✗	✗	✓	✓	✗	✓
Files stay in browser	✗	✗	✗	✗	✗	✓
No ads or interruptions	✗	✗	✗	✗	✗	✓
Visual crop preview	✓	✓	✓	✗	✓	✓
Drag-to-crop	✓	✓	✓	✗	✓	✓
Numeric margin input	✓	✗	✓	✓	✓	✓
Per-page crop	✓	✓	✓	✗	✓	✓
File size limit	50MB	50MB	50MB	Unlimited	100MB	50MB

Competitor information was accurate at time of publication and may have changed.

Frequently Asked Questions

How do I crop a PDF online for free?

Upload your PDF to a free online PDF cropping tool. Use the drag-to-crop handles to select the visible area you want to keep, or enter exact margin values for precision. Apply the crop to a single page or all pages at once, then download the result. No software installation or account is required. Browser-based tools process your file locally, so nothing is uploaded to any server.

What is the difference between cropping a PDF and editing it?

Cropping changes the visible boundary of a PDF page — it adjusts which area is displayed and printed, without deleting the underlying content. Editing a PDF modifies the actual content, such as adding, changing, or removing text and images. Cropping is a non-destructive change to the page view; the cropped areas are hidden but can be restored by changing the crop settings. Editing permanently alters the file's content.

Will cropping a PDF reduce its file size?

Cropping alone does not significantly reduce file size in most PDF tools, because the cropped-out content is still technically present in the file — only its visible boundary changes. To genuinely reduce file size, compress the PDF after cropping. If file size reduction is your primary goal, use a dedicated PDF compressor. Some tools combine crop and flatten operations that can reduce size, but standard cropping does not reliably do this.

How do I remove the white border or whitespace from a PDF?

Upload the PDF to a PDF crop tool. Use the drag-to-crop or numeric margin input to reduce the page boundaries inward until the whitespace is outside the visible area. If the whitespace is consistent across all pages, apply the same crop settings to the entire document with the uniform crop option. For scanned documents where borders vary, use per-page crop to set individual margin values for each page.

Can I apply a different crop to each page of a PDF?

Yes — use the per-page crop feature to set different crop dimensions for different pages in the same document. This is essential for scanned PDFs where the page alignment varies between scans, or for documents where different pages have different margin requirements. Select individual pages and apply custom crop values, then download the result. Tools with only a uniform crop option cannot do this.

How do I crop a PDF to a specific size, like A4 or Letter?

To crop a PDF to a specific page size, use the numeric margin input to set exact margin values that result in the target dimensions. For example, to crop an A4 document to A5, calculate the difference in dimensions and set the margins accordingly. Alternatively, use a PDF resize page tool to change the actual page dimensions rather than just the visible area — cropping adjusts the view, resizing changes the underlying page geometry.

Is it safe to use an online PDF crop tool for confidential documents?

Safety depends on how the tool processes your file. Tools that upload your PDF to a remote server introduce a data exposure risk — your document travels over the internet and sits on third-party infrastructure, even temporarily. Tools that process files locally in your browser never transmit your file, providing a stronger data isolation guarantee. For confidential documents, always use a browser-based tool that explicitly states files never leave your device.

How do I crop a PDF on my phone or tablet?

Open a browser-based PDF crop tool in Safari (iPhone/iPad) or Chrome (Android). Upload your PDF, then use touch gestures to drag the crop handles on the visual preview, or tap the numeric margin fields to enter exact values. Apply to one page or all pages, then download the cropped file to your device. No app download is required — the tool runs entirely in your mobile browser.

Does PDF cropping work on scanned documents?

Yes. PDF cropping works on any PDF, including scanned documents. It is especially useful for removing scanner borders, dark shadow edges, and uneven margins that appear when physical documents are digitised. Use the drag-to-crop visual preview to identify scanner artifacts around the edges and drag the crop boundary inward to exclude them. For multi-page scanned PDFs with consistent alignment, uniform crop saves time; for variable alignment, per-page crop gives precise control.

Can I crop a PDF without Adobe Acrobat?

Yes. Free browser-based PDF cropping tools provide the same core functionality as Adobe Acrobat's crop tool — drag-to-crop visual selection, numeric margin input, per-page or uniform crop — without any software installation or subscription. The key difference with browser-based tools is that your PDF never needs to be uploaded; all processing happens in your browser. Adobe's online crop tool, by contrast, uploads your file to Adobe's servers.

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Guides & How-Tos

How to Crop a PDF

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