Follow our team’s guide to learn how to crop a PDF on your desktop and mobile devices to ensure a seamless document with accurately sized PDF pages.
See our other blog on how to edit a PDF on iPhone to explore more of PDF Reader Pro’s features for your mobile phone.
Why PDF Reader Pro is Perfect for Cropping PDFs
We recommend using PDF Reader Pro as it offers highly accurate cropping tools that let you manually adjust any page.
We compared PDF Reader Pro’s PDF cropping features with those of other popular online PDF cropping tools, showing why these advanced capabilities are best:
| Feature | PDF Reader Pro | Smallpdf | iLovePDF | PDFescape |
| Crop by Custom Selection | Precise manual crop area | Basic preset crop zones | Basic preset crop zones | Limited manual control |
| Apply to Multiple Pages | All, range, or single | One page at a time | One page at a time | One page at a time |
| Offline Access | Fully offline | Internet required | Internet required | Internet required |
| Privacy/Security | Local file processing | Uploads to cloud | Uploads to cloud | Uploads to cloud |
| Batch Processing | Yes (multi-page, batch) | No batch option | No batch option | No batch option |
| Cross-Platform Compatability | macOS, Windows, iOS, Android | Web-based | Web-based | Web-based |
| Zoom & Precision Crop | Zoom & pixel-precision | No zoom or fine control | No zoom or fine control | Limited zoom |
| Annotation Tools | Full editing suite | Limited features | Limited features | Basic annotation tools |
You can download a free 7-day trial of PDF Reader Pro for Windows or Mac by clicking below or opt to use the iOS or Android version on your mobile device.
Free Download 
Free Download
How to Crop a PDF Using PDF Reader Pro on All Devices
PDF Reader Pro allows you to crop a PDF on your desktop computer as well as your mobile devices. See our guides below for exact instructions:
On PDF Reader Pro for Desktop
The desktop version of PDF Reader Pro includes advanced tools to help you crop pages in your PDF with the highest accuracy.
Step 1: Open Your PDF
Click “Open File” or drag and drop your PDF into the Home interface.
Step 2: Click “Tools” on the Main Menu
Choose the “Content Selection Tool” on the top left.
Step 3: Click and Drag a Box Around the Content You Want to Keep
Right-click on the content box and choose “Crop” from the options listed.
Here you can choose to only crop the current page or apply it to all pages in the PDF.
On PDF Reader Pro for Mobile
Use your mobile device to crop your PDFs by following the instructions below:
Step 1: Open your PDF in the App (iOS pictured here)
Tap the + to open your document. Choose from:
- New Blank PDF
- From Clipboard
- Import Images
- Dropbox
- Files Browse
Step 2: Tap on the Three Dots on the Top Right
Scroll down to the “Screen Capture” option to crop your PDF.
Step 3: Click and Drag Your Parameters
Tap “Apply” to see your cropped changes.
Tips from Our PDF Experts
- Undo cropping by reopening the original file or using version history (if enabled).
- Use cropping in combination with split tools to extract key sections from large documents.
- Use ruler guides or margin presets for consistent formatting across documents.
Lastly, always preview the cropped area on a few pages before applying changes to the whole document.
Check back into our blog weekly to see more of our software tips and guides to the best PDF editing software for desktop and mobile devices.
