A4 PDF FixSkew - Version 1.2.3 As many people know, scanned documents don't always come out as perfect PDFs. One of the most common problems, a skewed page. A4 PDF FixSkew is a quick way to correct the skew of PDF documents. As many people know, scanned documents don't always come out as perfect PDFs. One of the most common problems, a skewed page. A4 PDF FixSkew is a quick way to correct the skew of PDF documents.As many people know, scanned documents don't always come out as perfect PDFs. One of the most common problems, a skewed page. A4 PDF FixSkew is a quick way to correct the skew of PDF documents.