Crop PDF: Free Online PDF Margin Trimmer

Trim margins, remove whitespace, and crop PDF pages instantly. Set precise crop values in millimeters, inches, or points — or use quick presets. No uploads, no limits — 100% private.

Precise Margin Control

Set exact crop margins in millimeters, inches, or points. Fine-tune each side independently for pixel-perfect results.

Quick Presets

Choose from small, medium, or large crop presets for instant trimming. No manual measurements needed.

100% Private

Your files never leave your device. All cropping happens in your browser — no server uploads, no cloud processing.

Crop PDF

Trim margins and whitespace from PDF pages

100% Private - Your files never leave your device

Best Free PDF Cropper Online

Need to crop PDF pages? Our free PDF cropper lets you trim margins, remove whitespace, and resize page boundaries instantly. Unlike iLovePDF or SmallPDF that upload your documents to remote servers, our PDF margin trimmer processes everything in your browser — your files never leave your device. Whether you need to trim PDF margins, remove headers and footers, or adjust page dimensions for printing, get precise results with no daily limits and no registration required.

How to Crop PDF Pages

Crop PDF online in 4 simple steps:

  1. Upload your PDF file by dragging or clicking the upload area
  2. Set crop margins (top, bottom, left, right) in mm, inches, or points
  3. Use presets for quick cropping or enter custom values for precision
  4. Click Crop and download your trimmed PDF instantly

When You Need to Crop PDF Pages

Remove Scan Margins

Eliminate excessive whitespace and dark edges from scanned documents. Clean up border artifacts left by flatbed and sheet-fed scanners.

Print Optimization

Crop pages to fit specific paper sizes perfectly. Remove extra margins so content fills the printable area without scaling.

Remove Headers & Footers

Cut off unwanted headers, footers, or page numbers from PDFs before merging into a new document or reusing content.

E-Reader Formatting

Crop wide margins so PDF content fills Kindle, Kobo, or tablet screens. Improve readability without zooming on smaller devices.

Focus Content Areas

Isolate specific sections of a page — like charts, diagrams, or text blocks — by cropping away surrounding content.

Standardize Dimensions

Make all pages in a multi-page document the same visible size by applying consistent crop margins across the entire PDF.

PDF Smaller vs Other PDF Croppers

FeaturePDF SmalleriLovePDFSmallPDFAdobe Acrobat
Price100% Free$6-9/month$12/month$20/month
Crop Precisionmm / in / ptsDrag onlyDrag onlymm / in / pts
PresetsYesNoNoNo
PrivacyNo uploadsServer uploadServer uploadCloud/Desktop
Free Usage LimitsUnlimitedLimited tasks2 tasks/dayTrial only
RegistrationNot requiredOptionalRequiredRequired

Why Use Our PDF Cropper?

  • 100% Private: No server uploads, no data collection. Your PDFs stay on your device.
  • Precise Control: Set exact crop margins in millimeters, inches, or points.
  • Quick Presets: Use small, medium, or large preset options for fast cropping.
  • Remove PDF Margins: Eliminate excessive whitespace from scanned documents.
  • Free PDF Trimmer: No registration, no limits, no watermarks.
  • Instant Processing: Crop PDFs in seconds right in your browser.

Frequently Asked Questions

How do I crop a PDF online for free?

Upload your PDF to our cropper, set your desired crop margins using the sliders or input fields, preview the result, and click crop. Your cropped PDF downloads instantly - all processed in your browser.

Is the PDF cropper free to use?

Yes! Our PDF cropper is 100% free with no limits. Crop as many PDF pages as you need - no registration, no premium plans, no watermarks added.

Can I remove margins from a scanned PDF?

Absolutely! Our PDF margin remover is perfect for scanned documents. Set your crop values to trim the excess whitespace and create a cleaner, more professional-looking document.

Will cropping reduce my PDF file size?

Cropping can sometimes reduce file size, especially for scanned PDFs with large white margins. For significant size reduction, also try our PDF compressor.

Can I crop specific pages instead of the entire PDF?

Yes. You can apply crop settings to all pages at once or select individual pages to crop. This is useful when only certain pages have extra margins or unwanted content.

What is the difference between cropping and resizing a PDF?

Cropping removes content from the edges of a page by adjusting the visible area, while resizing changes the overall page dimensions and scales the content to fit. Use cropping to trim margins and resizing to change paper size.

Does the PDF cropper work on mobile devices?

Yes! Our PDF cropper is fully responsive and works on smartphones and tablets. Upload your PDF, set crop margins, and download the result directly on your mobile device.

Can I crop multiple PDFs at once?

Currently the tool processes one PDF at a time. Upload your file, apply crop settings, download the result, then repeat for additional files. Each crop takes only seconds.