# NFCFYI

> Comprehensive NFC reference for developers, IoT engineers, and product designers. Covers NFC chips and IC families (NTAG, MIFARE, DESFire, FeliCa), NFC Forum tag types 1-5, NDEF record types, operating modes, standards (ISO 14443, ISO 15693, ISO 18092), manufacturers, use cases, security protocols, interactive tools, glossary, and guides. 15 languages supported.

## Data Scope
- NFC chips with full technical specs (memory, security, performance, RF, compatibility, pricing)
- NFC chip families: NTAG, MIFARE, DESFire, ICODE, ST25, FeliCa, and more
- NFC Forum Tag Types 1-5 with memory range, data rate, and compatible chips
- NDEF record types: URI, Text, Smart Poster, MIME with payload format and hex examples
- Operating modes: Reader/Writer, Card Emulation, Peer-to-Peer
- Standards: ISO 14443, ISO 15693, ISO 18092, ECMA-340, NFC Forum specifications
- NFC chip manufacturers with market share and product lines
- Use cases: payments, business cards, smart home, transit, authentication
- Security protocols and cryptographic capabilities
- Interactive tools: chip selector, NDEF encoder/decoder, NDEF builder, memory calculator, tag cost calculator
- NFC technology timeline
- Glossary and in-depth guides

## URL Patterns
- Append `.md` to any URL for plain-text markdown format.
- i18n: URL prefix `/{lang}` for non-English (ko, ja, zh-hans, es, fr, de, pt, ru, vi, tr, ar, hi, th, id).
- `/chip/` — Browse all NFC chips (e.g. `/chip/`)
- `/chip/{slug}/` — NFC chip detail with full specs (e.g. `/chip/ntag213/`)
- `/family/` — NFC chip families (e.g. `/family/`)
- `/family/{slug}/` — Chip family detail (e.g. `/family/ntag/`)
- `/manufacturer/` — NFC chip manufacturers (e.g. `/manufacturer/`)
- `/manufacturer/{slug}/` — Manufacturer detail (e.g. `/manufacturer/nxp/`)
- `/tag-type/` — NFC Forum Tag Types 1-5 (e.g. `/tag-type/`)
- `/tag-type/{slug}/` — Tag type detail (e.g. `/tag-type/type-2/`)
- `/standard/` — NFC standards (ISO, ECMA, NFC Forum) (e.g. `/standard/`)
- `/standard/{slug}/` — Standard detail (e.g. `/standard/iso-14443/`)
- `/mode/` — NFC operating modes (e.g. `/mode/`)
- `/mode/{slug}/` — Operating mode detail (e.g. `/mode/reader-writer/`)
- `/ndef/` — NDEF record types (e.g. `/ndef/`)
- `/ndef/{slug}/` — NDEF record type detail (e.g. `/ndef/ndef-uri/`)
- `/use-case/` — NFC use cases (e.g. `/use-case/`)
- `/use-case/{slug}/` — Use case detail (e.g. `/use-case/event-ticketing/`)
- `/glossary/` — NFC terminology glossary (e.g. `/glossary/`)
- `/glossary/{slug}/` — Glossary term detail (e.g. `/glossary/ndef/`)
- `/guide/` — In-depth NFC guides (e.g. `/guide/`)
- `/guide/{slug}/` — Guide article (e.g. `/guide/nfc-tag-types-explained/`)
- `/tools/` — Interactive NFC tools (e.g. `/tools/`)
- `/tools/chip-selector/` — NFC chip selector wizard (e.g. `/tools/chip-selector/`)
- `/tools/ndef-encoder/` — NDEF message encoder (e.g. `/tools/ndef-encoder/`)
- `/tools/ndef-decoder/` — NDEF message decoder (e.g. `/tools/ndef-decoder/`)
- `/tools/memory-calculator/` — NFC memory calculator (e.g. `/tools/memory-calculator/`)
- `/tools/tag-cost-calculator/` — Tag cost calculator (e.g. `/tools/tag-cost-calculator/`)
- `/tools/ndef-builder/` — NDEF message builder (e.g. `/tools/ndef-builder/`)
- `/timeline/` — NFC technology timeline (e.g. `/timeline/`)
- `/compare/` — NFC chip comparison index (e.g. `/compare/`)
- `/compare/{slug}/` — Side-by-side chip comparison (e.g. `/compare/ntag213-vs-ntag215/`)
- `/search/` — Search chips, terms, guides (e.g. `/search/?q=mifare`)

## NFC Chips & Hardware
- [All NFC Chips](https://nfcfyi.com/chip/)
- [Chip Families](https://nfcfyi.com/family/)
- [Manufacturers](https://nfcfyi.com/manufacturer/)
- [NFC Forum Tag Types](https://nfcfyi.com/tag-type/)

## Protocols & Standards
- [NFC Standards](https://nfcfyi.com/standard/)
- [Operating Modes](https://nfcfyi.com/mode/)
- [NDEF Record Types](https://nfcfyi.com/ndef/)

## Interactive Tools
- [Chip Selector Wizard](https://nfcfyi.com/tools/chip-selector/)
- [NDEF Encoder](https://nfcfyi.com/tools/ndef-encoder/)
- [NDEF Decoder](https://nfcfyi.com/tools/ndef-decoder/)
- [Memory Calculator](https://nfcfyi.com/tools/memory-calculator/)
- [Tag Cost Calculator](https://nfcfyi.com/tools/tag-cost-calculator/)
- [NDEF Message Builder](https://nfcfyi.com/tools/ndef-builder/)

## Learn
- [NFC Use Cases](https://nfcfyi.com/use-case/)
- [Glossary](https://nfcfyi.com/glossary/)
- [Guides](https://nfcfyi.com/guide/)
- [NFC Timeline](https://nfcfyi.com/timeline/)
- [Chip Comparisons](https://nfcfyi.com/compare/)

## Embed Widget
- [NFCFYI Widget Docs](https://widget.nfcfyi.com)
- [nfcfyi-embed on npm](https://www.npmjs.com/package/nfcfyi-embed)
- [nfcfyi-embed on GitHub](https://github.com/fyipedia/nfcfyi-embed)

## REST API

Free REST API. No authentication required. JSON responses. CORS enabled.

| Method | Endpoint | Description |
|--------|----------|-------------|
| GET | `/api/v1/chips/` | List all NFC chips |
| GET | `/api/v1/chips/{slug}/` | NFC chip detail with full specs |
| GET | `/api/v1/chip-families/` | NFC chip families |
| GET | `/api/v1/manufacturers/` | NFC chip manufacturers |
| GET | `/api/v1/tag-types/` | NFC Forum Tag Types 1-5 |
| GET | `/api/v1/standards/` | NFC standards |
| GET | `/api/v1/operating-modes/` | Operating modes |
| GET | `/api/v1/ndef-types/` | NDEF record types |
| GET | `/api/v1/use-cases/` | NFC use cases |
| GET | `/api/v1/frequency-bands/` | NFC frequency bands |
| GET | `/api/v1/security-protocols/` | Security protocols |
| GET | `/api/v1/glossary/` | Glossary terms |
| GET | `/api/v1/guides/` | Guide articles |
| GET | `/api/v1/tools/` | Interactive tools |
| GET | `/api/v1/faqs/` | FAQs |
| GET | `/api/v1/stats/` | Site statistics |
| GET | `/api/v1/search/?q={query}` | Search across all content |

```bash
curl -s "https://nfcfyi.com/api/v1/chips/"
```

[API Docs](https://nfcfyi.com/developers/) · [OpenAPI Spec](https://nfcfyi.com/api/openapi.json)

## Developer Tools
- **PyPI**: `pip install nfcfyi` — [nfcfyi](https://pypi.org/project/nfcfyi/) — NFC chip data, NDEF encoding, tag type reference
- **RubyGems**: `gem install nfcfyi` — [nfcfyi](https://rubygems.org/gems/nfcfyi) — Ruby NFC chip reference
- **crates.io**: `cargo add nfcfyi` — [nfcfyi](https://crates.io/crates/nfcfyi) — Rust NFC chip reference
- **Embed Widget**: [nfcfyi-embed](https://widget.nfcfyi.com)

## Tag FYI Family

Part of [FYIPedia](https://fyipedia.com) developer tools ecosystem.
- [BarcodeFYI](https://barcodefyi.com) — Barcode formats, EAN, UPC, ISBN standards
- [QRCodeFYI](https://qrcodefyi.com) — QR code generation, scanning, standards
- [BLEFYI](https://blefyi.com) — Bluetooth Low Energy, GATT, beacons
- [RFIDFYI](https://rfidfyi.com) — RFID tags, frequency bands, standards
- [SmartCardFYI](https://smartcardfyi.com) — Smart cards, EMV, APDU, Java Card

## All NFC Chips
- [EM4233](https://nfcfyi.com/chip/em4233/)
- [FeliCa Lite](https://nfcfyi.com/chip/felica-lite/)
- [FeliCa Lite-S](https://nfcfyi.com/chip/felica-lite-s/)
- [FeliCa Standard](https://nfcfyi.com/chip/felica-standard/)
- [ICODE DNA](https://nfcfyi.com/chip/icode-dna/)
- [ICODE ILT](https://nfcfyi.com/chip/icode-ilt/)
- [ICODE SLIX](https://nfcfyi.com/chip/icode-slix/)
- [ICODE SLIX2](https://nfcfyi.com/chip/icode-slix2/)
- [ICODE SLIX-S](https://nfcfyi.com/chip/icode-slix-s/)
- [M24LR](https://nfcfyi.com/chip/m24lr/)
- [MIFARE Classic 1K](https://nfcfyi.com/chip/mifare-classic-1k/)
- [MIFARE Classic 4K](https://nfcfyi.com/chip/mifare-classic-4k/)
- [MIFARE DESFire EV1](https://nfcfyi.com/chip/mifare-desfire-ev1/)
- [MIFARE DESFire EV2](https://nfcfyi.com/chip/mifare-desfire-ev2/)
- [MIFARE DESFire EV3](https://nfcfyi.com/chip/mifare-desfire-ev3/)
- [MIFARE DESFire Light](https://nfcfyi.com/chip/mifare-desfire-light/)
- [MIFARE Plus EV2](https://nfcfyi.com/chip/mifare-plus-ev2/)
- [MIFARE Plus SE](https://nfcfyi.com/chip/mifare-plus-se/)
- [MIFARE Ultralight](https://nfcfyi.com/chip/mifare-ultralight/)
- [MIFARE Ultralight AES](https://nfcfyi.com/chip/mifare-ultralight-aes/)
- [MIFARE Ultralight C](https://nfcfyi.com/chip/mifare-ultralight-c/)
- [MIFARE Ultralight EV1](https://nfcfyi.com/chip/mifare-ultralight-ev1/)
- [NAC1080](https://nfcfyi.com/chip/nac1080/)
- [NTAG 210](https://nfcfyi.com/chip/ntag210/)
- [NTAG 210µ (Micro)](https://nfcfyi.com/chip/ntag210-micro/)
- [NTAG 212](https://nfcfyi.com/chip/ntag212/)
- [NTAG 213](https://nfcfyi.com/chip/ntag213/)
- [NTAG 213F](https://nfcfyi.com/chip/ntag213f/)
- [NTAG 215](https://nfcfyi.com/chip/ntag215/)
- [NTAG 216](https://nfcfyi.com/chip/ntag216/)
- [NTAG 223 DNA](https://nfcfyi.com/chip/ntag223/)
- [NTAG 224 DNA](https://nfcfyi.com/chip/ntag224/)
- [NTAG 413 DNA](https://nfcfyi.com/chip/ntag413/)
- [NTAG 424 DNA](https://nfcfyi.com/chip/ntag424/)
- [NTAG 424 DNA TagTamper](https://nfcfyi.com/chip/ntag424-dna-tagtamper/)
- [NTAG 5 Link](https://nfcfyi.com/chip/ntag5-link/)
- [RF430FRL152H](https://nfcfyi.com/chip/rf430frl152h/)
- [SLC17 series](https://nfcfyi.com/chip/slc17/)
- [SLE 66R01P](https://nfcfyi.com/chip/sle66r01p/)
- [SLE 66R04P](https://nfcfyi.com/chip/sle66r04p/)
- [ST25DV](https://nfcfyi.com/chip/st25dv/)
- [ST25TA](https://nfcfyi.com/chip/st25ta/)
- [ST25TN](https://nfcfyi.com/chip/st25tn/)
- [ST25TV](https://nfcfyi.com/chip/st25tv/)
- [Topaz 512](https://nfcfyi.com/chip/topaz-512/)
- [Topaz 96](https://nfcfyi.com/chip/topaz-96/)
- [TRF7970A](https://nfcfyi.com/chip/trf7970a/)

## Chip Families
- [NTAG](https://nfcfyi.com/family/ntag/)
- [MIFARE](https://nfcfyi.com/family/mifare/)
- [ICODE](https://nfcfyi.com/family/icode/)
- [ST25](https://nfcfyi.com/family/st25/)
- [M24LR](https://nfcfyi.com/family/m24lr/)
- [FeliCa](https://nfcfyi.com/family/felica/)
- [SLE](https://nfcfyi.com/family/sle/)
- [SECORA](https://nfcfyi.com/family/secora/)
- [SLC](https://nfcfyi.com/family/slc/)
- [RF430](https://nfcfyi.com/family/rf430/)
- [TRF](https://nfcfyi.com/family/trf/)
- [Topaz](https://nfcfyi.com/family/topaz/)
- [EM](https://nfcfyi.com/family/em/)

## Standards
- [ISO/IEC 14443](https://nfcfyi.com/standard/iso-14443/)
- [ISO/IEC 14443-3A (NFC-A)](https://nfcfyi.com/standard/iso-14443-3a/)
- [ISO/IEC 14443-3B (NFC-B)](https://nfcfyi.com/standard/iso-14443-3b/)
- [ISO/IEC 14443-4](https://nfcfyi.com/standard/iso-14443-4/)
- [ISO/IEC 15693 (NFC-V)](https://nfcfyi.com/standard/iso-15693/)
- [JIS X 6319-4 (NFC-F / FeliCa)](https://nfcfyi.com/standard/jis-x-6319-4/)
- [ISO/IEC 18092 (NFCIP-1)](https://nfcfyi.com/standard/iso-18092/)
- [ISO/IEC 21481 (NFCIP-2)](https://nfcfyi.com/standard/iso-21481/)
- [ISO/IEC 7816-4](https://nfcfyi.com/standard/iso-7816-4/)
- [ECMA-340](https://nfcfyi.com/standard/ecma-340/)
- [NFC Data Exchange Format (NDEF)](https://nfcfyi.com/standard/ndef-spec/)
- [EMV Contactless Specifications](https://nfcfyi.com/standard/emv-contactless/)

## NDEF Record Types
- [Text Record](https://nfcfyi.com/ndef/ndef-text/)
- [URI Record](https://nfcfyi.com/ndef/ndef-uri/)
- [Smart Poster](https://nfcfyi.com/ndef/ndef-smart-poster/)
- [MIME Type Record](https://nfcfyi.com/ndef/ndef-mime/)
- [Absolute URI Record](https://nfcfyi.com/ndef/ndef-absolute-uri/)
- [Handover Select](https://nfcfyi.com/ndef/ndef-handover-select/)
- [Handover Request](https://nfcfyi.com/ndef/ndef-handover-request/)
- [Signature Record](https://nfcfyi.com/ndef/ndef-signature/)
- [Android Application Record (AAR)](https://nfcfyi.com/ndef/ndef-aar/)
- [vCard Record](https://nfcfyi.com/ndef/ndef-vcard/)

## Use Cases
- [Event Ticketing](https://nfcfyi.com/use-case/event-ticketing/)
- [Gaming Collectibles](https://nfcfyi.com/use-case/gaming-collectibles/)
- [Product Authentication](https://nfcfyi.com/use-case/product-authentication/)
- [Transit & Payments](https://nfcfyi.com/use-case/transit-payments/)
- [Smart Home Automation](https://nfcfyi.com/use-case/smart-home-automation/)
- [Brand Loyalty Programs](https://nfcfyi.com/use-case/brand-loyalty/)
- [Library Asset Tracking](https://nfcfyi.com/use-case/library-tracking/)
- [Retail Inventory](https://nfcfyi.com/use-case/retail-inventory/)
- [Access Control](https://nfcfyi.com/use-case/access-control/)
- [Medical Records](https://nfcfyi.com/use-case/medical-records/)
- [Supply Chain IoT](https://nfcfyi.com/use-case/supply-chain-iot/)
- [WiFi Pairing](https://nfcfyi.com/use-case/wifi-pairing/)
- [Bluetooth Device Pairing](https://nfcfyi.com/use-case/bluetooth-pairing/)
- [URL Sharing](https://nfcfyi.com/use-case/url-sharing/)
- [Contactless Advertising](https://nfcfyi.com/use-case/contactless-advertising/)
- [Mobile Payments](https://nfcfyi.com/use-case/mobile-payments/)
- [Hotel Keycards](https://nfcfyi.com/use-case/hotel-keycards/)
- [Personalized Merchandise](https://nfcfyi.com/use-case/personalized-merchandise/)
- [Drug Supply Authentication](https://nfcfyi.com/use-case/drug-authentication/)
- [Parking & Garage Access](https://nfcfyi.com/use-case/parking-access/)
- [App Launcher](https://nfcfyi.com/use-case/app-launcher/)
- [Digital Business Cards](https://nfcfyi.com/use-case/digital-business-cards/)
- [Vehicle Pairing](https://nfcfyi.com/use-case/vehicle-pairing/)
- [Manufacturing Test & Trace](https://nfcfyi.com/use-case/manufacturing-test/)
- [Wearable Device Sync](https://nfcfyi.com/use-case/wearable-sync/)

## Glossary
- [Access Control Bits](https://nfcfyi.com/glossary/access-control-bits/)
- [Active Device](https://nfcfyi.com/glossary/active-device/)
- [AES Encryption](https://nfcfyi.com/glossary/aes-encryption/)
- [Analog Test](https://nfcfyi.com/glossary/analog-test/)
- [Android Application Record (AAR)](https://nfcfyi.com/glossary/aar/)
- [Antenna Design](https://nfcfyi.com/glossary/antenna-design/)
- [Anti-Cloning](https://nfcfyi.com/glossary/anti-cloning/)
- [Anti-Collision](https://nfcfyi.com/glossary/anti-collision/)
- [ASK Modulation](https://nfcfyi.com/glossary/ask-modulation/)
- [Authentication](https://nfcfyi.com/glossary/authentication/)
- [Bonding](https://nfcfyi.com/glossary/bonding/)
- [Capability Container (CC)](https://nfcfyi.com/glossary/capability-container/)
- [Card Emulation Mode](https://nfcfyi.com/glossary/card-emulation-mode/)
- [CE Marking](https://nfcfyi.com/glossary/ce-marking/)
- [Contactless Payment](https://nfcfyi.com/glossary/contactless-payment/)
- [Converting](https://nfcfyi.com/glossary/converting/)
- [Crypto-1](https://nfcfyi.com/glossary/crypto-1/)
- [Data Retention](https://nfcfyi.com/glossary/data-retention/)
- [DES / 3DES (Triple DES)](https://nfcfyi.com/glossary/des-3des/)
- [Die (IC Die)](https://nfcfyi.com/glossary/ic-die/)
- [Digital Test](https://nfcfyi.com/glossary/digital-test/)
- [Dry Inlay](https://nfcfyi.com/glossary/dry-inlay/)
- [EEPROM](https://nfcfyi.com/glossary/eeprom/)
- [EMV (Europay, Mastercard, Visa)](https://nfcfyi.com/glossary/emv/)
- [Encoding](https://nfcfyi.com/glossary/encoding-process/)
- [FCC Compliance](https://nfcfyi.com/glossary/fcc-compliance/)
- [Form Factor](https://nfcfyi.com/glossary/form-factor/)
- [HCE (Host Card Emulation)](https://nfcfyi.com/glossary/hce/)
- [Inductive Coupling](https://nfcfyi.com/glossary/coupling/)
- [Interoperability](https://nfcfyi.com/glossary/interoperability/)
- [ISO 14443](https://nfcfyi.com/glossary/iso-14443/)
- [ISO 15693](https://nfcfyi.com/glossary/iso-15693/)
- [LLCP (Logical Link Control Protocol)](https://nfcfyi.com/glossary/llcp/)
- [Load Modulation](https://nfcfyi.com/glossary/load-modulation/)
- [Lock Bits](https://nfcfyi.com/glossary/lock-bits/)
- [Manchester Coding](https://nfcfyi.com/glossary/manchester-coding/)
- [Memory Block (Page)](https://nfcfyi.com/glossary/memory-block/)
- [Modified Miller Coding](https://nfcfyi.com/glossary/modified-miller/)
- [Mutual Authentication](https://nfcfyi.com/glossary/mutual-authentication/)
- [NDEF Message](https://nfcfyi.com/glossary/ndef-message/)
- [NDEF (NFC Data Exchange Format)](https://nfcfyi.com/glossary/ndef/)
- [NDEF Record](https://nfcfyi.com/glossary/ndef-record/)
- [Near Field Communication (NFC)](https://nfcfyi.com/glossary/near-field-communication/)
- [NFC Antenna](https://nfcfyi.com/glossary/nfc-antenna/)
- [NFC-A (Type A)](https://nfcfyi.com/glossary/nfc-a/)
- [NFC-B (Type B)](https://nfcfyi.com/glossary/nfc-b/)
- [NFC Chip (IC)](https://nfcfyi.com/glossary/nfc-chip/)
- [NFC Controller](https://nfcfyi.com/glossary/nfc-controller/)
- [NFC-Enabled Device](https://nfcfyi.com/glossary/nfc-enabled-device/)
- [NFC-F (FeliCa)](https://nfcfyi.com/glossary/nfc-f/)
- [NFC Forum](https://nfcfyi.com/glossary/nfc-forum/)
- [NFC Forum Certification](https://nfcfyi.com/glossary/nfc-forum-certification/)
- [NFC Forum Test Suite](https://nfcfyi.com/glossary/nfc-test-suite/)
- [NFC Inlay](https://nfcfyi.com/glossary/nfc-inlay/)
- [NFCIP-1 (ISO 18092)](https://nfcfyi.com/glossary/nfcip-1/)
- [NFCIP-2 (ISO 21481)](https://nfcfyi.com/glossary/nfcip-2/)
- [NFC Reader](https://nfcfyi.com/glossary/nfc-reader/)
- [NFC Tag](https://nfcfyi.com/glossary/nfc-tag/)
- [NFC-V (Vicinity)](https://nfcfyi.com/glossary/nfc-v/)
- [N-Mark](https://nfcfyi.com/glossary/n-mark/)
- [NTAG DNA (Technology)](https://nfcfyi.com/glossary/ntag-dna/)
- [On-Metal Tag](https://nfcfyi.com/glossary/on-metal-tag/)
- [Operating Frequency](https://nfcfyi.com/glossary/operating-frequency/)
- [Originality Signature](https://nfcfyi.com/glossary/originality-signature/)
- [OTP (One-Time Programmable)](https://nfcfyi.com/glossary/otp/)
- [Passive Tag](https://nfcfyi.com/glossary/passive-tag/)
- [Password Protection](https://nfcfyi.com/glossary/password-protection/)
- [Peer-to-Peer Mode](https://nfcfyi.com/glossary/peer-to-peer-mode/)
- [Radio-Frequency Identification (RFID)](https://nfcfyi.com/glossary/rfid/)
- [Reader/Writer Mode](https://nfcfyi.com/glossary/reader-writer-mode/)
- [Read Range](https://nfcfyi.com/glossary/read-range/)
- [RF Field (Radio Frequency Field)](https://nfcfyi.com/glossary/rf-field/)
- [SDM (Secure Dynamic Messaging)](https://nfcfyi.com/glossary/sdm/)
- [Secure Element (SE)](https://nfcfyi.com/glossary/secure-element/)
- [Smart Poster](https://nfcfyi.com/glossary/smart-poster/)
- [Smart Poster (Application)](https://nfcfyi.com/glossary/smart-poster-app/)
- [SNEP (Simple NDEF Exchange Protocol)](https://nfcfyi.com/glossary/snep/)
- [SUN (Secure Unique NFC)](https://nfcfyi.com/glossary/sun-message/)
- [Tap-to (Interaction)](https://nfcfyi.com/glossary/tap-to/)
- [Text Record](https://nfcfyi.com/glossary/ndef-text/)
- [TLV (Type-Length-Value)](https://nfcfyi.com/glossary/tlv/)
- [TNF (Type Name Format)](https://nfcfyi.com/glossary/tnf/)
- [Total Memory](https://nfcfyi.com/glossary/total-memory/)
- [UID Mirroring](https://nfcfyi.com/glossary/uid-mirroring/)
- [UID (Unique Identifier)](https://nfcfyi.com/glossary/uid/)
- [URI Record](https://nfcfyi.com/glossary/ndef-uri/)
- [User Memory](https://nfcfyi.com/glossary/user-memory/)
- [Wafer](https://nfcfyi.com/glossary/wafer/)
- [Wet Inlay](https://nfcfyi.com/glossary/wet-inlay/)
- [Write Endurance](https://nfcfyi.com/glossary/write-endurance/)

## Guides
- [Android NFC Programming Guide](https://nfcfyi.com/guide/android-nfc-programming/)
- [Building an NFC-Based Product](https://nfcfyi.com/guide/building-nfc-product/)
- [ESP32 NFC Development](https://nfcfyi.com/guide/esp32-nfc/)
- [Flutter NFC Development Guide](https://nfcfyi.com/guide/flutter-nfc/)
- [How to Read and Write NFC Tags](https://nfcfyi.com/guide/how-to-read-write-nfc-tags/)
- [iOS Core NFC Programming Guide](https://nfcfyi.com/guide/ios-core-nfc-programming/)
- [ISO 14443 Protocol Deep Dive](https://nfcfyi.com/guide/iso-14443-deep-dive/)
- [MIFARE Classic Security Analysis](https://nfcfyi.com/guide/mifare-classic-security/)
- [MIFARE Classic to DESFire Migration](https://nfcfyi.com/guide/mifare-classic-desfire-migration/)
- [Multi-Tag Polling and Collision Resolution](https://nfcfyi.com/guide/nfc-multi-tag-polling/)
- [NDEF Specification Deep Dive](https://nfcfyi.com/guide/ndef-specification-deep-dive/)
- [NFC Antenna Design Guide](https://nfcfyi.com/guide/nfc-antenna-design/)
- [NFC Antenna Matching Guide](https://nfcfyi.com/guide/nfc-antenna-matching/)
- [NFC Anti-Counterfeiting Guide](https://nfcfyi.com/guide/nfc-anti-counterfeiting/)
- [NFC App UX Design Patterns](https://nfcfyi.com/guide/nfc-app-ux/)
- [NFC Chips Compared](https://nfcfyi.com/guide/nfc-chip-comparison-guide/)
- [NFC Digital Business Cards](https://nfcfyi.com/guide/nfc-digital-business-card/)
- [NFC for Beginners: Your First Project](https://nfcfyi.com/guide/nfc-first-project/)
- [NFC for Events and Festivals](https://nfcfyi.com/guide/nfc-events-festivals/)
- [NFC for Payments](https://nfcfyi.com/guide/nfc-payments-how-it-works/)
- [NFC for Smart Home Automation](https://nfcfyi.com/guide/nfc-smart-home-automation/)
- [NFC for Wine and Spirits Authentication](https://nfcfyi.com/guide/nfc-wine-spirits/)
- [NFC in Automotive](https://nfcfyi.com/guide/nfc-automotive/)
- [NFC in Healthcare](https://nfcfyi.com/guide/nfc-in-healthcare/)
- [NFC in Logistics and Supply Chain](https://nfcfyi.com/guide/nfc-logistics/)
- [NFC in Public Transit](https://nfcfyi.com/guide/nfc-transit/)
- [NFC in Retail](https://nfcfyi.com/guide/nfc-retail/)
- [NFC on Metal Surfaces](https://nfcfyi.com/guide/nfc-on-metal/)
- [NFC Pet Tags and Animal ID](https://nfcfyi.com/guide/nfc-pet-tag/)
- [NFC Reader Firmware Development](https://nfcfyi.com/guide/nfc-reader-firmware/)
- [NFC Reader Modules Compared](https://nfcfyi.com/guide/nfc-reader-modules-compared/)
- [NFC Relay Attack Explained](https://nfcfyi.com/guide/nfc-relay-attack/)
- [NFC Security Deep Dive](https://nfcfyi.com/guide/nfc-security-deep-dive/)
- [NFC Standards Reference Guide](https://nfcfyi.com/guide/nfc-standards-reference/)
- [NFC Tag Durability and Lifespan](https://nfcfyi.com/guide/nfc-tag-durability/)
- [NFC Tag Encoding Best Practices](https://nfcfyi.com/guide/nfc-encoding-best-practices/)
- [NFC Tag Form Factors Guide](https://nfcfyi.com/guide/nfc-tag-form-factors/)
- [NFC Tag Not Detected: Diagnosis Guide](https://nfcfyi.com/guide/nfc-tag-not-detected/)
- [NFC Tag Ordering Guide](https://nfcfyi.com/guide/nfc-ordering-guide/)
- [NFC Tag Types Explained](https://nfcfyi.com/guide/nfc-tag-types-explained/)
- [NFC Testing Methodology](https://nfcfyi.com/guide/nfc-testing-methodology/)
- [NFC Troubleshooting Guide](https://nfcfyi.com/guide/nfc-troubleshooting-guide/)
- [NFC vs RFID: Detailed Comparison](https://nfcfyi.com/guide/nfc-vs-rfid-comparison/)
- [NFC with Apple Shortcuts](https://nfcfyi.com/guide/nfc-apple-shortcuts/)
- [NFC with Arduino and Raspberry Pi](https://nfcfyi.com/guide/nfc-arduino-raspberry-pi/)
- [NFC with Home Assistant](https://nfcfyi.com/guide/nfc-home-assistant/)
- [NFC with Tasker for Android](https://nfcfyi.com/guide/nfc-tasker/)
- [NFC Write Failures and Recovery](https://nfcfyi.com/guide/nfc-write-failures/)
- [PN532 Complete Guide](https://nfcfyi.com/guide/pn532-guide/)
- [PN7150 NFC Controller Guide](https://nfcfyi.com/guide/pn7150-guide/)
- [Python NFC Programming Guide](https://nfcfyi.com/guide/python-nfc/)
- [React Native NFC Guide](https://nfcfyi.com/guide/react-native-nfc/)
- [ST25R NFC Reader IC Guide](https://nfcfyi.com/guide/st25r-guide/)
- [Web NFC API Guide](https://nfcfyi.com/guide/web-nfc-api-guide/)
- [What Is NFC? A Complete Introduction](https://nfcfyi.com/guide/what-is-nfc/)

## Interactive Tools
- [NDEF Message Builder](https://nfcfyi.com/tool/ndef-builder/)
- [NDEF Message Decoder](https://nfcfyi.com/tool/ndef-decoder/)
- [NDEF Message Encoder](https://nfcfyi.com/tool/ndef-encoder/)
- [NFC Chip Selector](https://nfcfyi.com/tool/chip-selector/)
- [NFC Compatibility Checker](https://nfcfyi.com/tool/compatibility-checker/)
- [NFC Memory Calculator](https://nfcfyi.com/tool/memory-calculator/)
- [NFC Read Range Estimator](https://nfcfyi.com/tool/read-range-estimator/)
- [NFC Tag Cost Calculator](https://nfcfyi.com/tool/tag-cost-calculator/)

## Chip Comparisons
- [DESFire vs NTAG](https://nfcfyi.com/compare/desfire-vs-ntag/)
- [HCE vs Secure Element](https://nfcfyi.com/compare/hce-vs-secure-element/)
- [ICODE SLIX2 vs FeliCa Standard](https://nfcfyi.com/compare/icode-slix2-vs-felica-standard/)
- [ICODE SLIX2 vs ST25DV](https://nfcfyi.com/compare/icode-slix2-vs-st25dv/)
- [ISO 14443 vs ISO 15693](https://nfcfyi.com/compare/iso-14443-vs-iso-15693/)
- [MIFARE Classic 1K vs FeliCa Standard](https://nfcfyi.com/compare/mifare-classic-1k-vs-felica-standard/)
- [MIFARE Classic 1K vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-classic-1k-vs-icode-slix2/)
- [MIFARE Classic 1K vs MIFARE Classic 4K](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-classic-4k/)
- [MIFARE Classic 1K vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev1/)
- [MIFARE Classic 1K vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev2/)
- [MIFARE Classic 1K vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-ev3/)
- [MIFARE Classic 1K vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-classic-1k-vs-mifare-desfire-light/)
- [MIFARE Classic 1K vs ST25DV](https://nfcfyi.com/compare/mifare-classic-1k-vs-st25dv/)
- [MIFARE Classic 4K vs FeliCa Standard](https://nfcfyi.com/compare/mifare-classic-4k-vs-felica-standard/)
- [MIFARE Classic 4K vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-classic-4k-vs-icode-slix2/)
- [MIFARE Classic 4K vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev1/)
- [MIFARE Classic 4K vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev2/)
- [MIFARE Classic 4K vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-ev3/)
- [MIFARE Classic 4K vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-classic-4k-vs-mifare-desfire-light/)
- [MIFARE Classic 4K vs ST25DV](https://nfcfyi.com/compare/mifare-classic-4k-vs-st25dv/)
- [MIFARE DESFire EV1 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-felica-standard/)
- [MIFARE DESFire EV1 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-icode-slix2/)
- [MIFARE DESFire EV1 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-ev2/)
- [MIFARE DESFire EV1 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-ev3/)
- [MIFARE DESFire EV1 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-mifare-desfire-light/)
- [MIFARE DESFire EV1 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev1-vs-st25dv/)
- [MIFARE DESFire EV2 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-felica-standard/)
- [MIFARE DESFire EV2 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-icode-slix2/)
- [MIFARE DESFire EV2 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-mifare-desfire-ev3/)
- [MIFARE DESFire EV2 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-mifare-desfire-light/)
- [MIFARE DESFire EV2 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev2-vs-st25dv/)
- [MIFARE DESFire EV3 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-felica-standard/)
- [MIFARE DESFire EV3 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-icode-slix2/)
- [MIFARE DESFire EV3 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-mifare-desfire-light/)
- [MIFARE DESFire EV3 vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-ev3-vs-st25dv/)
- [MIFARE DESFire Light vs FeliCa Standard](https://nfcfyi.com/compare/mifare-desfire-light-vs-felica-standard/)
- [MIFARE DESFire Light vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-desfire-light-vs-icode-slix2/)
- [MIFARE DESFire Light vs ST25DV](https://nfcfyi.com/compare/mifare-desfire-light-vs-st25dv/)
- [MIFARE Ultralight EV1 vs FeliCa Standard](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-felica-standard/)
- [MIFARE Ultralight EV1 vs ICODE SLIX2](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-icode-slix2/)
- [MIFARE Ultralight EV1 vs MIFARE Classic 1K](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-classic-1k/)
- [MIFARE Ultralight EV1 vs MIFARE Classic 4K](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-classic-4k/)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev1/)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev2/)
- [MIFARE Ultralight EV1 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-ev3/)
- [MIFARE Ultralight EV1 vs MIFARE DESFire Light](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-mifare-desfire-light/)
- [MIFARE Ultralight EV1 vs ST25DV](https://nfcfyi.com/compare/mifare-ultralight-ev1-vs-st25dv/)
- [MIFARE vs NTAG](https://nfcfyi.com/compare/mifare-vs-ntag/)
- [NFC-A vs NFC-B](https://nfcfyi.com/compare/nfc-a-vs-nfc-b/)
- [NFC-A vs NFC-F](https://nfcfyi.com/compare/nfc-a-vs-nfc-f/)
- [NFC Type 2 vs Type 4](https://nfcfyi.com/compare/nfc-type-2-vs-type-4/)
- [NFC Type 4 vs Type 5](https://nfcfyi.com/compare/nfc-type-4-vs-type-5/)
- [NFC vs Barcode](https://nfcfyi.com/compare/nfc-vs-barcode/)
- [NFC vs BLE](https://nfcfyi.com/compare/nfc-vs-ble/)
- [NFC vs Bluetooth](https://nfcfyi.com/compare/nfc-vs-bluetooth/)
- [NFC vs Chip-and-PIN](https://nfcfyi.com/compare/nfc-vs-chip-and-pin/)
- [NFC vs iBeacon](https://nfcfyi.com/compare/nfc-vs-ibeacon/)
- [NFC vs Magnetic Stripe](https://nfcfyi.com/compare/nfc-vs-magnetic-stripe/)
- [NFC vs QR Code](https://nfcfyi.com/compare/nfc-vs-qr-code/)
- [NFC vs RFID](https://nfcfyi.com/compare/nfc-vs-rfid/)
- [NFC vs UWB](https://nfcfyi.com/compare/nfc-vs-uwb/)
- [NFC vs Wi-Fi Direct](https://nfcfyi.com/compare/nfc-vs-wifi-direct/)
- [NTAG213 vs FeliCa Standard](https://nfcfyi.com/compare/ntag213-vs-felica-standard/)
- [NTAG213 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag213-vs-icode-slix2/)
- [NTAG213 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag213-vs-mifare-classic-1k/)
- [NTAG213 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag213-vs-mifare-classic-4k/)
- [NTAG213 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev1/)
- [NTAG213 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev2/)
- [NTAG213 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-ev3/)
- [NTAG213 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag213-vs-mifare-desfire-light/)
- [NTAG213 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag213-vs-mifare-ultralight-ev1/)
- [NTAG213 vs NTAG215](https://nfcfyi.com/compare/ntag213-vs-ntag215/)
- [NTAG213 vs NTAG216](https://nfcfyi.com/compare/ntag213-vs-ntag216/)
- [NTAG213 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag213-vs-ntag424/)
- [NTAG213 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag213-vs-ntag424-dna-tagtamper/)
- [NTAG213 vs ST25DV](https://nfcfyi.com/compare/ntag213-vs-st25dv/)
- [NTAG215 vs FeliCa Standard](https://nfcfyi.com/compare/ntag215-vs-felica-standard/)
- [NTAG215 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag215-vs-icode-slix2/)
- [NTAG215 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag215-vs-mifare-classic-1k/)
- [NTAG215 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag215-vs-mifare-classic-4k/)
- [NTAG215 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev1/)
- [NTAG215 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev2/)
- [NTAG215 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-ev3/)
- [NTAG215 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag215-vs-mifare-desfire-light/)
- [NTAG215 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag215-vs-mifare-ultralight-ev1/)
- [NTAG215 vs NTAG216](https://nfcfyi.com/compare/ntag215-vs-ntag216/)
- [NTAG215 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag215-vs-ntag424/)
- [NTAG215 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag215-vs-ntag424-dna-tagtamper/)
- [NTAG215 vs ST25DV](https://nfcfyi.com/compare/ntag215-vs-st25dv/)
- [NTAG216 vs FeliCa Standard](https://nfcfyi.com/compare/ntag216-vs-felica-standard/)
- [NTAG216 vs ICODE SLIX2](https://nfcfyi.com/compare/ntag216-vs-icode-slix2/)
- [NTAG216 vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag216-vs-mifare-classic-1k/)
- [NTAG216 vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag216-vs-mifare-classic-4k/)
- [NTAG216 vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev1/)
- [NTAG216 vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev2/)
- [NTAG216 vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-ev3/)
- [NTAG216 vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag216-vs-mifare-desfire-light/)
- [NTAG216 vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag216-vs-mifare-ultralight-ev1/)
- [NTAG216 vs NTAG 424 DNA](https://nfcfyi.com/compare/ntag216-vs-ntag424/)
- [NTAG216 vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag216-vs-ntag424-dna-tagtamper/)
- [NTAG216 vs ST25DV](https://nfcfyi.com/compare/ntag216-vs-st25dv/)
- [NTAG 424 DNA TagTamper vs FeliCa Standard](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-felica-standard/)
- [NTAG 424 DNA TagTamper vs ICODE SLIX2](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-icode-slix2/)
- [NTAG 424 DNA TagTamper vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-classic-1k/)
- [NTAG 424 DNA TagTamper vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-classic-4k/)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev1/)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev2/)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-ev3/)
- [NTAG 424 DNA TagTamper vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-desfire-light/)
- [NTAG 424 DNA TagTamper vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-mifare-ultralight-ev1/)
- [NTAG 424 DNA TagTamper vs ST25DV](https://nfcfyi.com/compare/ntag424-dna-tagtamper-vs-st25dv/)
- [NTAG 424 DNA vs FeliCa Standard](https://nfcfyi.com/compare/ntag424-vs-felica-standard/)
- [NTAG 424 DNA vs ICODE SLIX2](https://nfcfyi.com/compare/ntag424-vs-icode-slix2/)
- [NTAG 424 DNA vs MIFARE Classic 1K](https://nfcfyi.com/compare/ntag424-vs-mifare-classic-1k/)
- [NTAG 424 DNA vs MIFARE Classic 4K](https://nfcfyi.com/compare/ntag424-vs-mifare-classic-4k/)
- [NTAG 424 DNA vs MIFARE DESFire EV1](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev1/)
- [NTAG 424 DNA vs MIFARE DESFire EV2](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev2/)
- [NTAG 424 DNA vs MIFARE DESFire EV3](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-ev3/)
- [NTAG 424 DNA vs MIFARE DESFire Light](https://nfcfyi.com/compare/ntag424-vs-mifare-desfire-light/)
- [NTAG 424 DNA vs MIFARE Ultralight EV1](https://nfcfyi.com/compare/ntag424-vs-mifare-ultralight-ev1/)
- [NTAG 424 DNA vs NTAG 424 DNA TagTamper](https://nfcfyi.com/compare/ntag424-vs-ntag424-dna-tagtamper/)
- [NTAG 424 DNA vs ST25DV](https://nfcfyi.com/compare/ntag424-vs-st25dv/)
- [ST25DV vs FeliCa Standard](https://nfcfyi.com/compare/st25dv-vs-felica-standard/)

## Full Index
- [XML Sitemap](https://nfcfyi.com/sitemap.xml)