NFC Forum Tag Type Detector
Identify NFC Forum Tag type from ATR, ATS, ATQA, or SAK bytes. Paste raw hex from your NFC reader hardware and instantly get the tag family, NFC Forum type, manufacturer, and capabilities.
Paste Tag Identification Bytes
Detection Result
Paste bytes and click Detect Tag Type
SAK Byte Quick Reference
| SAK | Tag Type | Examples |
|---|---|---|
| 0x08 | MIFARE Classic 1K (NXP) | MF1S50 |
| 0x18 | MIFARE Classic 4K (NXP) | MF1S70 |
| 0x00 | NFC Forum Type 2 (NTAG / Ultralight) | NTAG213/215/216, MF0ICU1 |
| 0x20 | NFC Forum Type 4 (ISO 14443-4) | DESFire, Java Card, SmartMX |
| 0x01 | NFC Forum Type 1 (Topaz) | Innovision Topaz |
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