Engineering tools

Engineeringtools,freeforever.

We've always shipped free utilities alongside commercial products. These are the current ones — small, sharp, maintained.

Free

NF-e Reader

Paste or upload an NF-e XML and view issuer, recipient, items and totals in readable format. Download as PDF.

Open reader

Coming soon: DNS Checker, SSL Inspector, Headers Analyser.

Sentinela and Specula, our network security products, are in Products. See products →