Crop PDF
Trim PDF margins, change PDF page size.
How to Use Crop PDF
- Upload your file: Drag and drop your file into the active processing area above, or click the box to browse your device files.
- Configure settings: Select your preferred options (such as target file size in KB, compression level, page order, or output format).
- Process locally: Click the primary action button. Your file is rendered and encoded in seconds directly inside your browser memory.
- Download output: Click Download to save the modified document back to your device. No watermarks are added.
Zero-Cloud Privacy Guarantee
Unlike legacy web utilities that upload your sensitive documents to remote servers, PDFtiny executes 100% of processing inside your local browser using WebAssembly. Your files never leave your computer, ensuring complete privacy, enterprise compliance, and offline availability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Processing Engine | Client-Side WebAssembly (WASM) & HTML5 File API |
| Server Transmission | 0 Bytes Uploaded (100% Local Browser Memory) |
| Device Compatibility | Chrome, Safari, Firefox, Edge, Android, iOS, Windows, Mac, Linux |
| Compliance | ISO 32000-2:2020, GDPR Article 25 (Privacy by Design) |
Frequently Asked Questions
Will cropping a PDF permanently remove content or just hide it?
The PDF specification\
Can I set exact margin measurements in millimeters or inches?
Yes. PDFtiny\
Can I crop all pages of a PDF at once with the same settings?
Yes. Apply crop settings to page 1, then select
My PDF has different page sizes. Can I crop each page differently?
Yes. Select individual pages in the thumbnail view and apply different crop dimensions to each page independently.