This is a utility to create RFID tag data to be written to your tags.

See the Getting Started guide for how to write tag data to NFC tags.

Read / Import
Write / Export
Fill Examples
Show hex dump 

  

  


  

    
  


  


  

    Unfortunately, this tool was written primarily using AI to expedite the
    development process. If anything is not working right, please let us know.
  





  

    
Web NFC

    

    
  






  

    
How to Use

    

      This utility is designed to help you create OpenTag3D tag data to be
      written onto RFID tags, which can then be written directly with Web NFC
      (on Android) or via a number of tools.
    

    
Generating Tag Data

    

      To write tag data, simply fill out all of the applicable fields on the
      form. Fields with a red asterisk next to their name are required fields
      and must be filled out. All other fields are optional.
    

    

      You can also import existing tag data, either by reading it via Web NFC
      (on Android) or loading a previously exported file.
    

    
Exporting Tag Data

    

      Once you have filled out all of the fields, you can export the tag data to
      be written to a real tag in a few ways:
    

    
    
      
  • Direct Write via Web NFC
    • 
      
  • Proxmark3-Ready .bin
    • 
      
  • Flipper Zero .nfc
    • 
      
  • NFC Tools for Desktop
    • 
      
  • NFC Tools for Mobile
    • 
    

    

      If you're not sure which format to use, the easiest way to write tags is
      to use Web NFC (on Android).
    

    
Write via Web NFC

    

      To write tag data via Web NFC, simply press the button and then hold an
      NFC tag up to the phone's RFID antenna. The antenna is usually placed next
      to the back camera, but may be in the center of the phone on some models.
      Once the tag is detected, the writing process will start. Hold the tag in
      place until the writing process is finished.
    

    
Write via Proxmark3

    

      To write tag data via a Proxmark3, download the Proxmark3 .bin file. Then,
      in a terminal, launch pm3 and run
      hf mfu restore -f [/path/to/file.bin].
    

    
Write via Flipper Zero

    

      Download the .nfc file and upload it to your Flipper Zero using qFlipper
      (or directly to the SD card). Then, you can emulate the tag or write it to
      a real tag via the NFC app on the Flipper.
    

    
Write via NFC Tools Desktop

    

      To write tag data via NFC Tools for Desktop, download the NFC Tools
      Desktop .json. Then, in the app, go to Write > More > Open and load the
      .json file. Click the Write button once you've got a tag on your NFC
      reader.
    

    
Write via NFC Tools Mobile

    

      The NFC Tools mobile app supports writing data directly within the app!
      Simply tap Write > Add Record > 3D Printing and change the format to
      "OpenTag3D", then fill out the information.
    

    

      Alternatively, you can export a .json file to import into NFC Tools.
      Simply download the NFC Tools Mobile .json file to your phone, then load
      the profile via My Saved Tags > Import. You can then write the data by
      going to Write > More options > Load and select the profile.