Fix Blurry PDF - Sharpen Scanned Documents
Sharpen blurry PDFs and fix out-of-focus scanned documents. Make text crisp and clear with advanced sharpening.
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Maximum file size: 10MB
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What is This Tool?
Sharpen blurry PDF documents and fix out-of-focus scans. This tool restores clarity to phone camera scans, cheap scanner output, and motion-blurred documents. Perfect for improving text readability and OCR accuracy.
Blurry PDFs from phone scans, low-quality scanners, or poor focus make text hard to read and cause OCR failures. Our tool uses edge enhancement and unsharp masking to restore sharp, clear text.
How to Use
Upload Blurry PDF - Upload documents with blurry text. Processing happens in browser.
Adjust Sharpening - Use Sharpening Strength slider to control edge enhancement. Edge Enhancement targets text specifically. Start at 50%.
Process & Download - Tool applies adaptive unsharp masking, enhances edges, reduces blur, sharpens text. Download instantly.
Frequently Asked Questions
Can this fix very blurry phone scans?
Yes! Even severely out-of-focus documents improve significantly. Use 70-80% for very blurry scans.
Will sharpening create artifacts?
Tool uses adaptive algorithms to minimize artifacts. Reduce strength if halos appear.
Does this work on scanned documents?
Yes! Works on digital and scanned PDFs. Effective for low-quality scanner output.
Is my data secure?
Yes. All processing in browser.
Will this help with OCR?
Yes! Sharpened text significantly improves OCR accuracy.
What's the file size limit?
Supports PDFs up to 10MB.