Place PDF signature boxes with pixel-perfect coordinates.

Load a PDF locally, draw boxes, export llx,lly,urx,ury, and stamp a PNG signature. Everything runs in your browser - your files never leave your device.

No uploads
Export JSON
Snapping guides
DocCoords Tool Preview
Export: llx,lly,urx,ury • Stamp PNG signature

Fast coordinate extraction

Draw boxes, nudge with keyboard, snap to center/edges, and copy coordinates instantly.

PDF signature placement that fits your workflow

Export placements as JSON and reuse them across pages or documents.

Client-side PDF processing (privacy-first)

Client-side only. Your PDF and signature image stay on your machine.

Who it’s for

  • Developers integrating PDF signing (coordinate-based)
  • Ops teams preparing templates for contract workflows
  • Anyone who needs reliable PDF placement values

Typical output

{
  "pages": [
    {
      "pageNumber": 1,
      "boxes": [
        {
          "llx": 50, "lly": 716, "urx": 166, "ury": 762
        }
      ]
    }
  ]
}
Coordinates are in PDF points (origin bottom-left).

Ready to place your first signature box?

Open the tool and try it on any PDF — no account needed.

Open Tool