NFC Checker - Write your Tag!

Does your Android phone have NFC? Find out in 1 second — free.

NFC Checker is the fastest NFC tester, tag reader, and NDEF writer for Android. Check NFC support, scan and read NFC tags, write NFC tags, inspect chip details,
and diagnose NFC problems — fully offline, no account needed.

NFC SUPPORT CHECKER

Not sure whether your Android device supports NFC? NFC Checker instantly detects your NFC hardware and shows whether NFC is enabled or disabled. One tap — result
in under a second.

Use it when:
- Buying or selling a second-hand Android phone
- Verifying NFC works before a contactless payment or transit tap
- Diagnosing why NFC stopped working or is not being detected
- Checking NFC support before installing a payment or transit app
- Confirming NFC is active before pairing accessories or smart locks

NFC TAG READER AND SCANNER

Hold any NFC tag near the back of your phone to read it instantly. NFC Checker displays:

- Tag ID in hex and decimal format
- Supported technologies: NfcA, NfcB, NfcF, NfcV, IsoDep, NDEF
- All NDEF records with decoded text, URLs, and raw payloads
- Mifare Classic, Mifare Ultralight, FeliCa, and ISO 15693 chip details
- Hex and ASCII payload inspector for raw tag data
- Full scan history to revisit any previously scanned tag

Compatible with NFC cards, stickers, wristbands, key fobs, transit cards, access badges, smart home tags, loyalty cards, hotel room keys, and any standard NFC
tag.

NDEF TAG WRITER

Write text, URLs, Wi-Fi credentials, or custom hex payloads directly to writable NFC tags. Format blank NFC stickers from scratch — no separate app needed.

Use it to:
- Program smart home automation NFC tags
- Create NFC deep links that open apps or websites
- Store contact cards, Wi-Fi credentials, or custom NDEF records
- Format blank NFC stickers
- Test NDEF read and write workflows during Android development

NFC CHIP DETAILS

Full hardware report of your device's NFC chip:
- NFC enabled or disabled status
- Supported communication standards and NFC technologies
- Chip decoder: Mifare Classic, Mifare Ultralight, FeliCa, ISO 15693
- Hex and ASCII payload inspector for raw tag data
- Device manufacturer, model, and Android version

Useful for Android developers, QA testers, and anyone troubleshooting NFC hardware.

APDU CONSOLE — PRO

Send raw ISO 7816-4 APDU commands directly to smart cards and NFC tags. View command and response bytes in real time. Built for Android developers, security
researchers, and NFC engineers who need low-level card communication without a dedicated card reader.

NFC CHECKER PRO

Unlock the complete NFC toolkit:
- Unlimited scan history with full tag details
- Export scans as JSON or plain text
- Unlimited NDEF tag writing
- Raw APDU command console (ISO 7816-4)
- Unlimited NDEF tag writing
- Raw APDU command console (ISO 7816-4)
- Advanced chip decoder (Mifare, FeliCa, ISO 15693)
- Hex and ASCII payload inspector
- Saved tag profiles with custom labels and notes
- No ads

PRIVACY

NFC Checker uses only the NFC permission. No location. No camera. No contacts. No data collection. No tracking. No background services. No hidden network calls.