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Standard extraction returns block-level bounding boxes for text, tables, and figures. Turn on word-level bounding boxes when you need exact word coordinates for review overlays, field-level QA, redaction previews, evidence packs, or high-trust citation UX. Platform sample: Bank Statement Word-level bounding box toggle in the Platform 
{
  "file_url": "https://platform.runpulse.com/api/examples/637e5678-30b1-45fa-acc4-877f2d636419/pdf",
  "extensions": {
    "alt_outputs": {
      "wlbb": true
    }
  }
}
Word-level output is returned at extensions.altOutputs.wlbb. It is PDF-only and can make results much larger, so enable it for review and QA workflows rather than every ingestion job. Bank statement with word-level bounding boxes overlaid For most review workflows, the standard bounding box layer is enough: Bank statement with standard layout bounding boxes overlaid

Bounding Boxes

Understand block-level and word-level source coordinates.