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PDF Document Management 7: Deskew PDF Pages

PDFill PDF Deskew provides a quick way to correct the skew in the scanned images from Acrobat PDF documents. In this process, the original PDF page is inserted into a new blank PDF page. So, you can change the new page size. You can rotate, transform, scale, or crop the PDF page just like the way as you work on an image.

There are two ways to deskew PDF Page:

1) Deskew Current Page Automatically: The function detects the tilted image and rotates it automatically using a special algorithm.  It works only with the scanned text-print image.

2) Draw a line to Deskew Current Page: You can deskew semi-automatically by drawing a line. This requires visual work but it is more accurate and it can provides tune-up to the first automatic method.


Here are the steps on how to deskew PDF Page automatically:

1. Choose Document Menu > Page Deskew > Select Page to Deskew

 

 

or click Select Page to Deskew  Button in the Document Toolbar.

2. The Deskew PDF Pages dialog box comes up:

 

3. Click OK to deskew. The new PDF page will be displayed inside PDFill like a PDFill Image Object:

You can rotate, transform, scale, or crop the PDF page just like the way that you work on an image.

Double click this object to see Deskewed PDF Page's Properties:

Position (Left, Right, Width, Height)

The X and Y coordinate of the box to define the position of the object.
Scale The image scale inside PDF.
Lock aspect ratio The ratio of width and height will be kept as you change the size of image.
Relative to Original Size The original width and height will be used.
Rotate The rotation degree from 3 clock relative to the image center.

4. Add PDF Objects and save into a new PDF.

Before

After


Here are the steps on how to deskew PDF Page by drawing a line:

Draw a line to Deskew Current Page: You can deskew semi-automatically by drawing a line. This requires visual work but it is more accurate and it can provides tune-up to the automatic method:

PDFill will calculate the slope of the line and adjust the deskewed PDF Page.

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