How to Program NFC Tags in Bulk
Programming a few NFC tags takes a minute on a phone. Programming hundreds needs a workflow, or you end up with mistakes you only find after delivery. This guide shows how to program NFC tags in bulk, from choosing the data to locking and testing every piece.
What you write to an NFC tag
Most tags store an NDEF record, a standard format every phone understands. The common types are:
- URL: opens a website, Google review page, menu or profile. This is the most common.
- vCard (contact): saves a contact. Needs more memory, so use NTAG215 or larger.
- Wi-Fi: joins a network. WhatsApp, phone, email or text: start a chat, call or message.
Tools for programming NFC tags in bulk
| Method | Best for | Notes |
|---|---|---|
| Phone app (for example NFC Tools) | Up to about 50 tags | Free. Write, read back and lock one tag at a time. |
| USB NFC reader/writer with desktop software | Hundreds or thousands | A USB reader such as the ACR122U with software that writes a list of records fast. |
| Encoding by the supplier | Any volume | We can write and lock every chip with your list before dispatch. |
How to program NFC tags in bulk, step by step
- Prepare the list. One row per tag: the exact link or contact to write. Use a spreadsheet and check every link opens.
- Keep links short. Short links leave room on small chips like NTAG213 (144 bytes) and read faster.
- Write a test batch. Program five tags, read them back on an iPhone and an Android phone, and confirm they open the right page.
- Write the full batch. Program the tags one at a time from the list, keeping them in order.
- Verify every tag. Read each tag back once. A mis-write is far cheaper to fix now than after delivery.
- Lock only when sure. Locking is permanent, so lock only after the final links are approved.
Should you lock NFC tags?
Locking makes the chip read-only, so nobody can overwrite your link. It’s the right choice for tags placed in public, like standees and desk plates. If you may change the destination later, leave the tag unlocked or use a short redirect link that you control, so you can update where it points without touching the tag.
Common bulk programming mistakes
- Writing the wrong link to a whole batch and locking it before testing.
- Using long tracking links that don’t fit small chips.
- Not checking every tag, so a few unwritten tags reach customers.
- Programming through metal or a thick case, which fails or reads badly. Use anti-metal tags on metal.
Questions about programming NFC tags
Can I program NFC tags with an iPhone?
Yes. iPhone XS and newer can read tags, and apps such as NFC Tools can write NDEF records on supported iPhones.
How many tags can I program per hour?
By phone, about a tag every 20 to 30 seconds including checking. A USB reader with a list is much faster.
Can you program the tags for me?
Yes. Grade A includes free encoding and locking; for other grades it is quoted per order. Request a quote.
See our NFC tags or read how to print on blank NFC cards.
