Tag My Spool lets you read, write, and manage filament spool tags effortlessly -- so your printer always knows what material it's working with.

Buy NFC/RFID tags like the NTAG213 and stick them onto your spools. You can also make your NFC tags reusable by sticking them onto a printed 0.6mm disc, then stick the disc to the spool using something like glue dots.

Whether you're labeling PLA, PETG, or specialty filaments, Tag My Spool keeps your spools organized with precise data tracking and instant tag access.

# Key Features
- Smart Spool Management
- Create and write detailed NFC tags for your filament spools
- Save presets for material type, sub type, color, brand, filament diameter, spool weight and temperatures
- Manage brands, material types, material sub-types, spool weights and filament diameters in settings
- Instantly read existing tags to view stored data
- Label Printer (Print or export labels with the same information)

# Protocol Support
- ACE Pro -- full support for all fields including bed temperature, spool weight, diameter, and length
- OpenSpool -- JSON-based NFC standard (material, color, brand, hotend temperature)
- OpenPrintTag -- binary CBOR NFC standard - with basic field support only (see screenshots)

# Advanced Material Settings
- Record temperature ranges (Hotend & Bed) for each material
- Set filament diameter and spool length in meters
- Assign a Spool ID (Spoolman-compatible) when using the OpenSpool protocol

# Filament Library
- Browse the Open Filament Database with thousands of community filament profiles
- Filter by brand, material type, and sub-type
- Import profiles directly into your saved tags with one tap

# Customization Options
- Define brand names, materials & sub-type, filament diameters, spool weights and manage them easily (add, edit, or delete)
- Assign colors with a visual color picker
- Choose material type from a built-in list (PLA, PETG, ABS, and more)
- Configure bed and hotend temperatures, spool weight, and filament length

# Save/Load Tags
- Save and load tag configurations for reuse
- Keep your favorite setups organized under Saved Tags

# Backup & Restore
- Export your entire library (tags, brands, materials) as a JSON backup file
- Import backups to restore or transfer your data
- Migrate saved tags from previous versions via iCloud

# Technical Highlights
- Supports NFC tag scanning and writing (NTAG series compatible)
- Tag formatting -- erase all data on a tag when needed
- Light/Dark mode support
- Configurations saved
- Works offline -- no cloud required

# Perfect For
- 3D printing enthusiasts
- Makers managing multiple filament types
- Anyone using Anycubic ACE Pro, OpenSpool, or OpenPrintTag compatible spools

Stay organized. Print smarter.
Tag your spools!