Redline-it

Drawing revision → redline

A finished redline,
generated from two revisions.

Upload old and new PDFs. Download the marked-up result and inspect every detected change.

See a generated example Try your own drawing

One demo drawing per person · Up to 10 MB per PDF · Files removed after 24 hours

REAL AGENT OUTPUT

From clean CAD revisions to a usable redline

Open the example to switch views and inspect every generated markup.

Open review workspace
Original revision
Original revision CAD drawing
Revised drawing
Revised drawing CAD drawing
Generated redline
Generated redline CAD drawing

FITS YOUR WORKFLOW

Use it without changing your stack.

No installation requiredTry the complete workflow in your browser.
Any CAD platformCompare PDF revisions from any mechanical or electrical CAD system.
Your AI environmentDeploy with OpenAI, Claude, or a model your company already manages and approves.

HOW IT WORKS

Two PDFs in. One reviewable redline out.

  1. 1
    Choose revisionsUpload the complete original and revised PDFs.
  2. 2
    The agent comparesThe redline agent reconciles sheets, geometry, dimensions, and notes.
  3. 3
    Inspect and downloadReview every annotation and download the generated PDF.