Encode & decode

BER-TLV / EMV decoder

Parse EMV chip-card data into a nested tag tree with EMV tag names attached.

Also known as: EMV tag parser, TLV parser.

100% offline · macOS, Windows & Linux · free for personal use

BER-TLV / EMV decoder running in Hexkit

// overview

What it does

BER-TLV / EMV decoder is one of 55 tools in Hexkit, a desktop developer toolbox that runs entirely on your own machine. Parse EMV chip-card data into a nested tag tree with EMV tag names attached.

Because Hexkit is a native app rather than a web page, anything you paste into the ber-tlv / emv decoder stays local — there are no uploads, no accounts and no telemetry. You can decode tokens and inspect encoded data even with the network turned off, which makes it safe for tokens, keys and production data.

// steps

How to use BER-TLV / EMV decoder

  1. 1

    Open Hexkit and select "BER-TLV / EMV decoder", or press the command-palette key and start typing its name.

  2. 2

    Paste the text or token you want to encode or decode. Parse EMV chip-card data into a nested tag tree with EMV tag names attached.

  3. 3

    Read or copy the result. Everything is computed locally by Hexkit's Rust core, so nothing is ever uploaded.

Tip: the command palette opens any tool in one keystroke.

// faq

Frequently asked questions

Is BER-TLV / EMV decoder free?
Yes. BER-TLV / EMV decoder is part of Hexkit, which is free for personal and non-commercial use on macOS, Windows and Linux.
Does BER-TLV / EMV decoder work offline?
Completely. Hexkit runs every tool locally with no network access, so BER-TLV / EMV decoder works on a plane or an air-gapped machine.
Is my data uploaded anywhere?
No. Hexkit makes no network calls and has no telemetry — whatever you paste stays on your computer.

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Related tools

Use BER-TLV / EMV decoder without sending your data anywhere.

BER-TLV / EMV decoder ships inside Hexkit — a free, offline developer toolbox for macOS, Windows and Linux. No account, no uploads.