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Straighten Skewed PDF Pages

Auto-straighten crooked scans in a PDF in your browser. Detects each page's skew from text-line angles and rotates to correct it. No upload, bookmarks kept.

1
Select PDF
Drag and drop your skewed PDF file or click to browse
2
Deskew
Skew angle is automatically detected and pages are straightened
3
Download
Download your straightened PDF instantly

Frequently Asked Questions

How does deskew detection work?

The tool analyzes text line angles to detect skew and applies precise rotation to straighten each page.

Does this preserve bookmarks and form fields?

Yes. Each page rotates around its center; bookmarks and form fields keep their target positions on the deskewed page.

What PDF versions are supported?

PDF 1.0 through 2.0. Encrypted files require unlocking first; PDF/A inputs come out as PDF/A.

Tool history

Updated Jun 3, 2026 · 10 updates
  • Jun 3, 2026featper-tool OG images for all 75 tools + lengthen 20 short metas (#614)
  • May 29, 2026featmobile responsive pass + design-system consolidation (#564)
  • May 23, 2026feattips on all 60 tools + HowToTip rich-result schema (#450)
See full history →
This tool is free thanks to our sponsors. Support Loft Tools