How do I deskew a PDF scan for free?

Upload your scanned PDF to A2ZDocs and click Deskew. The tool automatically detects and corrects page tilt angles. Your straightened PDF downloads instantly. No signup required.

What causes skew in scanned documents?

Skew occurs when pages are not perfectly aligned on the scanner glass. Even slight tilts can make text hard to read and OCR less accurate.

Is deskewing PDFs free?

Yes. Deskewing PDFs on A2ZDocs is completely free with no account required.

Deskew PDF — Straighten Scanned Pages Free

Drop a scanned PDF here

Tilted pages will be automatically corrected

Choose File

Full deskew requires pdf2image + Pillow + scikit-image.
Install: pip install pdf2image scikit-image