Interactive PDF 裁剪器

Drag and resize the crop box on the PDF page preview to set exact crop margins.

✂️

Drag & Drop a PDF file to crop

📐 Manual Crop Settings

Apply Crop To:

Execution Mode:

Margin Unit:

QUICK MARGIN PRESETS

MANUAL MARGIN VALUES

Top Margin (pt):

Bottom Margin (pt):

Left Margin (pt):

Right Margin (pt):

Cropping PDF...

关于我们 Interactive PDF 裁剪器

Crop unwanted margins, header/footer text, or white space from your PDF pages. Features an interactive draggable crop box on a live PDF preview canvas alongside precision manual numeric settings in pt, mm, and inches.

如何使用 Interactive PDF 裁剪器逐步说明

上传 PDF Document

Drop your PDF file to render Page 1 preview.

Adjust Crop Box

Drag the dashed crop overlay or enter manual numeric margins.

Choose Page Scope

Select All Pages in Document or Current Page Only.

Crop & Download

Click 裁剪 PDF Document to download your trimmed PDF.

主要功能与技术优势

Interactive Draggable Box: Drag dashed box and 4 corner handles over PDF preview.
Side-by-Side Workspace: Manual settings panel sits side-by-side with live canvas.
Multiple Units: Set margins in Points (pt), Millimeters (mm), or Inches (in).
Permanent Trim & CropBox Modes: Choose permanent visual canvas trim or PDF CropBox tag.
Scope Selection: Apply crop area to All Pages or Current Page only.

技术规格与安全细节

技术规格	详细说明
工具名称	Interactive PDF 裁剪器
支持的输入格式	`PDF Document`
输出格式	`Cropped PDF Document`
处理引擎	PDF.js & PDF-Lib Draggable Engine
隐私与安全 Status	🔒 100% 客户端本地私密处理（零服务器上传）
文件大小限制	无限制（取决于本地浏览器可用内存）
浏览器兼容性	Chrome, Safari, Edge, Firefox, iOS Safari, Android Chrome