Real-Time Edge Detection & Perspective Correction

Crisp, glare-free document scans in one tap.

Turn crumpled receipts, multi-page legal agreements, IDs, and whiteboards into pristine, flat rectangular PDFs. No hand shadows, no skewed angles, and zero cloud uploads.

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Fast auto-shutter · Stamp signatures directly on scans

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How does PDF Converter & Scanner turn mobile camera photos into clean digital documents?

PDF Converter & Scanner uses real-time computer vision to detect paper edges against contrasting backgrounds. The moment camera movement stops, it automatically triggers the shutter and mathematically straightens perspective distortion. A hardware-accelerated B&W enhancement filter strips lighting gradients, paper creases, and phone shadows to produce clean, high-contrast vector PDFs ready for official filing.

Verified: PDF Converter & Scanner Geometric Computer Vision Engine

Engineered for bad lighting, shaky hands, and busy days.

Designed to capture readable documents wherever you are—under dim indoor lamps, in cars, or on patterned surfaces.

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Automatic Border Detection

Never crop pages manually. High-speed corner detection identifies paper margins even against complex wooden desks, patterned tables, or bedsheets.

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Three Intelligent Filters

Select Clean Document for sharp black text on pure white paper, Original Color for signed contracts with blue ink or photos, or Grayscale for printed forms.

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Continuous Batch Mode

Flip through a 20-page agreement or a stack of expense receipts without pause. The camera detects each page, snaps automatically, and compiles one organized document.

How to Scan Documents to PDF in Three Steps

Follow this simple workflow to get high-resolution digital copies of any physical paper.

1Point & Auto-Detect

Aim your camera at paper documents, receipts, or IDs. The real-time border detector identifies edges and triggers the auto-shutter when steady.

2Enhance & Filter

Switch between Original Color, Clean Document (high contrast B&W), or Grayscale to eliminate paper wrinkles, shadows, and background glare.

3Sign & Save PDF

Stamp your saved signature if required, then tap Save. Your document is compiled instantly into a multi-page PDF in your local library.

Document Scanner Questions & Answers

Details about filters, file types, and camera resolution.

How does the mobile scanner eliminate shadows and page glare?expand_more

The scanner applies an adaptive thresholding algorithm ('Clean Document' filter) that distinguishes black printed ink from paper texture, evening out irregular lighting and removing hand or phone shadows instantly.

Can I sign a scanned contract before saving it as a PDF?expand_more

Yes. PDF Converter & Scanner features an integrated signature workflow during the scan review step. You can stamp your saved vector signature or initials onto any page before generating the final multi-page PDF.

Does the camera scanner save scans as images or real PDFs?expand_more

Scans are compiled directly into standards-compliant multi-page PDF documents. You can also export individual pages as high-resolution JPG or PNG images whenever needed.

Is there a limit on how many pages I can scan?expand_more

The free version includes everyday scanning for receipts, bills, and short agreements. Pro unlocks unlimited continuous batch scanning for thick packets and books.