Check structure and access
Inspect whether the PDF is readable, encrypted, malformed, unusually structured, password-protected, or outside likely conversion limits.
PDF preflight
PDF inspection tools
Use this collection before converting, compressing, OCRing, printing, signing, sharing, or uploading a PDF. It keeps risky operations read-only until the next step is clear.
Start here
Choose the next recovery path
Task groups
Start with the part of the workflow that is failing
Inspect text, scans, and OCR path
Separate digital text extraction from OCR by checking text-layer, scanned-page, scan-quality, table-readiness, and complexity signals first.
Review sharing and hidden-content signals
Check metadata, XMP, attachments, JavaScript, open actions, links, layers, and redaction-like signals before a PDF leaves your workflow.
Check print and accessibility-like structure
Inspect page size, page boxes, colors, fonts, forms, print readiness, PDF/A signals, and accessibility structure markers without claiming certification.