PDF Page Straightener (Fix Curved Lines)
Fix curved lines and lens distortion in mobile-scanned PDFs. Straighten warped pages.
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Maximum file size: 10MB
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What is This Tool?
Fix curved lines and lens distortion in mobile-scanned PDFs online for free. This tool corrects camera lens distortion that makes text lines curve at corners. Perfect for straightening warped pages from phone camera scans.
Mobile camera scans have curved lines at page corners due to lens distortion. Warped text lines make documents look unprofessional and reduce readability. Our tool detects curvature, applies lens distortion correction, flattens curves, and straightens text lines.
How to Use
Upload Curved PDF - Upload mobile-scanned PDF with curved lines. Processing in browser.
Adjust Correction - Use Lens Correction Strength slider. Line Straightening ensures perfectly flat text.
Process & Download - Tool detects curvature, applies lens correction, flattens curves, straightens text lines.
Frequently Asked Questions
Can this fix severe distortion?
Yes! Handles mild to severe lens distortion from mobile cameras.
Will this affect image quality?
Minimal impact. Tool preserves resolution while correcting distortion.
Does this work on book scans?
Yes! Effective for book pages with curved text from binding.
Is my data secure?
Yes. All processing in browser.
Can I adjust correction strength?
Yes. Lens Correction slider controls distortion fix intensity.
What's the file size limit?
Supports PDFs up to 10MB.