Quick start
Decode tags, build new values, and keep a searchable history.
The tools are designed for EMV analysts, product teams, and QA engineers. Start with a known tag value, or use the search tab to look up tags by code and description.
Decode mode
- 1. Select a tag type (parser).
- 2. Paste the tag hex value.
- 3. Click Parse to view bit tables and groups.
- 4. Save or revisit history entries.
Construct mode
- 1. Switch to Construct mode.
- 2. Toggle the bits or options you want.
- 3. Review the constructed hex output.
- 4. Save the tag value to history.
Tag search
Open the Tag Search tab and start typing a tag code or description. Use arrow keys to select a result, press Enter to lock it in, and see the details panel update instantly.
AI Assistant
Use the AI Assistant to ask EMV-related questions and get AI-guided answers. This feature is experimental, so always verify responses against official EMV documentation.