# Small tools for the bench, in your browser.

> AutoST offers free browser-based tools for automotive diagnostics and security work: a UDS negative response code (NRC) decoder, a UDS request and response decoder, a lookup of standard data identifiers (DIDs) per ISO 14229-1, an ISO-TP (ISO 15765-2) frame calculator and a TARA risk calculator per ISO/SAE 21434 Annex H. No registration, no data leaves the browser.

Free browser tools for ECU security work: UDS NRC decoder, UDS message decoder, DID lookup, ISO-TP frame calculator and a TARA risk calculator per ISO/SAE 21434.

Source: https://auto-st.com/tools

Decode a negative response, parse a UDS message, look up a DID, calculate ISO-TP frames or rate a threat scenario per ISO/SAE 21434. Everything runs locally, nothing is sent to us.

## Pick a tool

## Everything stays in your browser

The tools are static JavaScript. Your inputs are processed on your device and are not transmitted, stored or logged by us. The only thing we measure, with your consent, is that a tool was used, so we know which tools are useful.

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AutoST by Zyberum. Canonical page: https://auto-st.com/tools