Text Layer
Machine-readable text content embedded alongside scanned page imagery.
Definition
Machine-readable text content embedded alongside scanned page imagery.
Why it matters
Enables search, copy/paste, and downstream extraction accuracy.
Related PDFHQ workflows
Critical for OCR quality assessment and searchable-PDF workflows.
Related Knowledge
PDF variant combining multiple structural and compatibility characteristics.
PDF where text can be found and copied, often via OCR.
Cutoff score used to accept or reject OCR-detected characters/words.
Portable Document Format is a fixed-layout document standard designed to preserve appearance across software, operating systems, and devices.
Optical Character Recognition that turns scan images into machine-readable text.
Tools to Apply This
Combine multiple PDF files into a single document.
Reduce file size without sacrificing readability.
Split one PDF into multiple files by page range.
Add text or image watermarks to PDF documents.
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