📄 Raw Stream
🌳 Structure + Operators
Operator Layers
Content Stream
Every PDF page is a sequence of drawing commands —
re defines a rectangle, rg sets its color, f fills it. Upload a PDF to explore this stream.Marked Content
If the PDF has accessibility tags (BDC/EMC operators), they appear here as a tree — paragraphs, figures, spans — linked back to the raw stream.
OCG Layers ⓘ
📄 PDF Layer Explorer
PDFs have no built-in concept of "strikethrough" or "underline" — those are drawn with the same rectangle operators as everything else. Meaning comes from coordinates, not semantic tags.
Drop a PDF here or click Upload to explore its raw operator stream.
Move mouse over PDF for coordinates
Operator Info
Hover any operator to see its explanation · Click the PDF or a raw line to highlight