Simplifying engineering data with AI and twenty years in the field

AI-powered engineering tools. Built for a reason.

Upload a file, get a clean result back. No accounts, no clutter.

Beta
Always free

3D CAD Viewer

View an STL file in 3D, right in your browser. Nothing uploaded, ever.

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AI-powered · 3 free

Drawing Data Parser

Automated parsing for drawing dimensions, GD&T, tolerances, and title block data.

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AI-powered · 3 free

Drawing revision comparator

Upload two drawing versions. See exactly what changed.

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Always free

PDF tools

Merge, split, rotate, and password-protect PDFs. Processed and discarded, nothing stored.

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Always free

BOM comparator

Upload two BOMs (CSV or Excel). See what parts changed.

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Always free

Barcode & QR tools

Generate, batch-print, or read barcodes and QR codes. Free, no accounts.

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New
Always free

Tolerance stack-up calculator

Worst-case and RSS results for a dimension chain, side by side.

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More tools land here as they ship

Built this because most tools still solve it with manual data entry.

HM

I'm Hari Mathevan. I've spent twenty years building the enterprise CAD/PLM/MDM systems that manufacturers run on, the unglamorous, high-stakes work of making engineering data actually work at scale. These tools are a small piece of that same instinct: solve the tedious problem properly, instead of leaving it to manual work.

If your team is wrestling with the same thing, I'd genuinely like to hear about it. Let's talk.

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