NFC Memory Calculator
クライアントサイドCalculate how much data fits on an NFC tag. Enter your content (URLs, text, vCards) and see which chips have enough memory for your NDEF message with overhead calculation.
ガイドで言及
- NFC Tag Types Explained
- How to Read and Write NFC Tags
- NFC Chips Compared
- NFC Troubleshooting Guide
- Flutter NFC Development Guide
- React Native NFC Guide
- NFC Tag Durability and Lifespan
- NFC in Healthcare
- NDEF Specification Deep Dive
- Building an NFC-Based Product
- NFC Tag Not Detected: Diagnosis Guide
- NFC Write Failures and Recovery
- NFC Tag Encoding Best Practices
- NFC Tag Ordering Guide
- NFC App UX Design Patterns
- NFC Digital Business Cards
- NFC Pet Tags and Animal ID
よくある質問
Yes, all tools on NFCFYI are completely free with no account required. Tools run entirely in your browser (client-side JavaScript) and do not send your data to any server, ensuring privacy for sensitive information like encryption keys or NDEF records.
All tools are fully responsive and work on smartphones, tablets, and desktop browsers. Tools that interact with NFC hardware (like tag reading/writing) require a device with NFC support and a compatible browser (Chrome on Android for Web NFC API). Calculation and encoding tools work on any device.
Yes. NDEF records, memory calculations, and encoding outputs generated by our tools can be used freely in both personal and commercial projects. The tools are reference implementations and we recommend verifying critical outputs against the relevant NFC Forum or ISO specifications.