# PDF Extraction and Debugging Workflows

Debug hard PDF extraction cases by checking encryption, safety, page scope, reading order, OCR, tables, review marks, and structured output.

> Canonical page: https://elysiatools.com/en/hubs/pdf-extraction-debugging-workflows

- **Keywords:** pdf extraction debugging, pdf ocr to markdown, pdf table extraction, pdf reading order

## Frequently asked questions

### Should encryption be handled before OCR or table extraction?

Yes. If permissions or passwords affect the file, resolve and document that first so later extraction errors are not misdiagnosed as layout failures.

### When is OCR better than structured PDF text extraction?

Use OCR when pages are scanned images or the text layer is missing, corrupt, or badly ordered. Use structured extraction when a usable text layer and layout metadata exist.

### Why scan for prompt injection in a PDF workflow?

PDFs can contain instructions meant to influence downstream AI tools. Screening those instructions helps separate source content from unsafe automation directives.

### Can one run produce perfect markdown, tables, and JSON?

Not reliably. Treat those as different acceptance targets and compare the chosen output against the specific downstream requirement.

## Related content

- [PDF Conversion, OCR, and Extraction Workflow](https://elysiatools.com/en/hubs/pdf-convert): Turn office files, wiki pages, comments, and images into PDFs, then extract text, images, tables, structure, or OCR layers from existing PDFs.