Free tool · Engineering and design firms
Count your CAD archive in 60 seconds
Pick your engineering folder and see how many parts, assemblies and drawings you have, how many years they cover and how many revisions each part went through. Nothing leaves your computer.
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How this works
Four steps, about as many minutes.
- Pick or drop the folder where your CAD work lives.
- Your browser reads only file names, types and dates. No file is opened or uploaded.
- You see the count by type, the years it covers and a fit rating.
- Get the one-page archive summary by email if you want to keep it.

Why the count matters
Most shops have no idea how big their own archive is. The drawings live on an old server, the models sit in a vault, and the oldest work is on a drive nobody has opened since the last move. The first question anyone asks about an engineering archive is simple: how much is there, and how far back does it go?
This counter answers that without anyone touching your files. It sorts what it finds into parts, assemblies, drawings, building models and simulation files, using the file types the common CAD tools save, like SOLIDWORKS, Inventor, Creo, CATIA, Solid Edge, AutoCAD and Revit, plus neutral formats like STEP and IGES.
What raises the value of an archive
Three things move the number more than the raw count. Revisions, because a part that went through six versions shows how the design was actually worked out. Drawings that sit next to their models, because together they show intent and result. And a clean line between your own designs and files your customers sent you, because only one of those piles is clearly yours to license.
What the dates mean
The counter uses the date each file was last saved. If your archive was copied to a new server at some point, older files can show the copy date, so treat the years as a floor, not a ceiling.
Questions about this tool.
Does this upload my files?
No. Your browser reads the file names, types, sizes and last-saved dates, and that is all. No file is opened, and nothing is sent to us. Close the tab and it is gone.
Which CAD files does it count?
Parts, assemblies and drawings from SOLIDWORKS, Inventor, Creo, CATIA, NX, Solid Edge and AutoCAD, building models from Revit, IFC, Navisworks and SketchUp, simulation files, and neutral formats like STEP, IGES and Parasolid.
Why do I need a computer?
Phones and tablets can not open a whole folder at once. Open this page on the computer that can see your engineering drive and it works the same way.
Is a big count worth a lot?
Size helps, but buyers care just as much about revisions, years and whether the designs are yours. The fit rating looks at all three. Any price is set by a buyer after its own review.
See what your company's records could be worth.
Costs you nothing · five quick questions · about a minute · no files
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