NFC Tool
Read from and Write to NFC tags directly in your browser.
Note: This tool requires a browser that supports the Web NFC API (like Chrome on Android).
Read Tag
Read Log
No activity yet.
Write Tag
Writes a plain text record to the tag.
Write Log
No activity yet.
Clone Tag
Copy the data from one NFC tag to another.
Clone Log
No activity yet.
Erase Tag
This will remove all NDEF data from your tag.
Erase Log
No activity yet.
Format Tag
Prepare a new or non-NDEF tag for use by formatting it.
Format Log
No activity yet.
Lock Tag (Make Read-Only)
Warning: This will make the tag permanently read-only. This action cannot be undone.
Lock Log
No activity yet.
Frequently Asked Questions
Which browsers and devices are supported?
Web NFC is a new technology currently supported by Chrome on Android devices. It is not available on iOS (iPhone/iPad) or on desktop browsers like Chrome for Windows/Mac, Firefox, or Safari.
Why can't I clone the ID of a tag?
The unique ID (UID) of an NFC tag is a read-only hardware identifier burned into the chip by the manufacturer. The Web NFC API, like most high-level APIs, does not allow changing this ID. Our "Clone" feature copies the NDEF data message from one tag to another, not the UID.
What is the difference between Erase and Format?
Erase: This removes the NDEF message (the data) from a tag, making it blank but keeping it formatted. You can write new data to it right away.
Format: This prepares a new or non-NDEF tag to be able to store NDEF data. It also erases any existing data in the process.
Is it safe to use the "Lock Tag" feature?
Locking a tag is a permanent action. Once a tag is locked, it becomes read-only forever and cannot be erased, reformatted, or have its data changed. Use this feature with caution and only when you are certain the data on the tag should never be altered.
Why does the "Read Tag" scan stop after one tag?
To provide a stable user experience and prevent accidental re-scans, the read operation is designed to stop after the first successful scan. You can simply press the "Start Scan" button again to read another tag.
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