NFC Kit - Read Write Tags

NFC Kit reads, writes, erases and protects NFC tags. No ads, no account.

Read
• UID, real ATQA/SAK, chip type, capacity and tag status at a glance
• Decodes every NDEF record type: link, text, Wi-Fi, contact card, phone, email, message, coordinates, MIME
• Full memory view in HEX, ASCII or binary with colour-coded regions
• Export the memory as .txt or .bin

Write
• Ten content types, each with its own form
• Capacity is checked before writing, and the tag is read back and compared byte by byte
• Edit, reorder and delete individual records
• Erase the NDEF content or reformat the tag

Tag security (NTAG213/215/216, Ultralight EV1)
• Set and remove the PWD/PACK password
• Choose the first protected page (AUTH0), block reads too (PROT), limit attempts (AUTHLIM)
• Lock a tag permanently to read-only, behind a two-step confirmation
• Passwords are encrypted with the Android Keystore and never leave the phone; the same PIN gives the same password on iPhone

History and automation
• Every scan is saved; search, star and give tags a nickname
• One-tap templates, batch writing with a counter and a per-tag error log
• Copy content to another tag, back a tag up to a file, export and import history as JSON (reads files from the iPhone version too)
• Home-screen shortcuts and nfckit:// links for automation apps

Google Drive backup
(Paid feature) One switch keeps history, tag names and templates backed up in the app's hidden folder on your own Google Drive, ready to pull onto a new phone.
The app has no account system and no server of its own.

Lifetime Unlock — $4.99, one-time, no subscription
These three features require the purchase; everything else in the app stays free forever:
• Google Drive backup of the tag history
• Export and import of tag data
• Reading and editing raw tag memory
The purchase is tied to your Google Account, and the app has a "Restore purchases" button.

Said up front
This version does not read MIFARE Classic data (UID only), does not copy a UID onto another tag and does not emulate tags.
The app includes a page explaining all of it.