Scale Feature Guide

Convert Scanned PDFs to Markdown with AI Vision

Traditional OCR fails on old documents, faded scans, and complex layouts. AI Vision uses advanced AI models to extract text with exceptional accuracy — even from the most challenging PDFs.

Markdown Converters team
January 4, 2025
8 min read

Why Traditional OCR Falls Short

If you've ever tried to convert an old scanned PDF to text, you know the frustration. Traditional OCR (Optical Character Recognition) works well for clean, modern documents but struggles with:

Old, Faded Documents

Aging paper, faded ink, and yellowed backgrounds confuse traditional OCR

Complex Layouts

Multi-column text, sidebars, and mixed formatting break standard extraction

Tables & Equations

Financial statements, scientific papers, and data-heavy docs lose structure

Handwritten Content

Signatures, annotations, and handwritten notes are often ignored

This is where AI Vision changes everything. By leveraging the latest AI models through Microsoft Azure OpenAI Service, AI Vision doesn't just read characters — it understands your documents.

How AI Vision Works

AI Vision takes a fundamentally different approach to document extraction:

1. Intelligent Page Analysis

Each page of your document is analyzed by advanced AI models that understand visual context, not just individual characters. The AI recognizes document structure, identifies headings, paragraphs, and lists.

2. Structure Preservation

Tables are extracted as proper Markdown tables. Mathematical equations are converted to LaTeX. Lists, headings, and formatting are preserved in the output.

3. Clean Markdown Output

The extracted content is formatted as clean, structured Markdown ready for AI applications, documentation systems, or knowledge bases.

Perfect for These Documents

Legacy Archives

Old contracts, historical records, archived correspondence — documents that have been sitting in filing cabinets for decades can finally be digitized accurately.

  • Faded typewriter text
  • Carbon copy documents
  • Yellowed paper

Legal Documents

Court filings, depositions, contracts — legal professionals need accurate extraction to feed documents into AI analysis tools.

  • Scanned court filings
  • Multi-page contracts
  • Handwritten signatures preserved

Financial Reports

Annual reports, tax documents, financial statements — complex tables and figures are preserved accurately.

  • Tables converted to Markdown
  • Numbers accurately captured
  • Column alignment preserved

Mobile Scans

PDFs created from phone camera scans with varying lighting, angles, and quality are handled gracefully.

  • Uneven lighting correction
  • Perspective distortion handling
  • Low resolution enhancement

Understanding AI Vision Credits

AI Vision is available on the Scale plan with 2000 credits per month. Here's how credits work:

Documents (PDF, DOCX)

1 credit per 5 pages

5-page document1 credit
10-page document2 credits
20-page document4 credits

Images (PNG, JPG, WebP, GIF)

1 credit per file

Single image1 credit
5 images5 credits
Daily resetMidnight UTC

With 2000 credits per month, a Scale user can process thousands of pages of scanned PDFs or hundreds of individual images monthly — more than enough for most professional workflows.

Enterprise-Grade Security

AI Vision uses Microsoft Azure OpenAI Service, ensuring your documents are handled with the highest security standards:

No Data Retention

Documents are not stored after processing

Encrypted Transit

TLS 1.2+ encryption for all data

Compliance Ready

GDPR compliant • Secure processing

Your data is never used to train AI models. See our Privacy Policy for complete details on how we protect your documents.

Ready to Try AI Vision?

Get AI Vision credits per month with Scale and start converting your most challenging documents.

2-day free trial • Process thousands of pages monthly

Start free trial

Conclusion

AI Vision represents a major leap forward in document extraction technology. By leveraging the latest AI models, it can accurately process documents that traditional OCR simply cannot handle — from decades-old archives to complex financial reports.

If you're working with scanned PDFs, legacy documents, or any content that requires more than basic text extraction, AI Vision is the solution you've been waiting for.

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