Aether – NFC Toolkit

Aether is a complete NFC toolkit to read, inspect, write and clone your own tags — built for enthusiasts, makers and security professionals working on hardware they are authorized to handle. SUPPORTED TAG FAMILIES • MIFARE Ultralight / NTAG — pages, counters, lock bits, NDEF • MIFARE Classic 1K / 4K — sector view, key authentication, access-bit decoding, MAD • DESFire EV1 / EV2 / EV3 — application browsing over ISO-DEP APDU KEY FEATURES • Detailed inspection: page-by-page / sector-by-sector dump, NDEF decoding (URI, text, Wi-Fi, vCard), access-bit and lock-bit reading • Byte-by-byte write and verify, with MifareClassicTool parity • Key dictionary management: import/export (.mct, .keys), dictionary attack on sectors • Magic card cloning (Gen1 / Gen2 / Gen3) and UID cloning • Dump compare and analysis • Batch writing across multiple tags • Proxmark3 terminal (USB / BLE) • MIFARE calculators and utilities PRIVACY Aether runs entirely offline. No data is collected or transmitted: your dumps and keys stay on your device. The app only requests the NFC permission. RESPONSIBLE USE Aether is intended for analyzing and backing up your own tags, or tags you are explicitly authorized to handle. Do not use this app to access systems or media that do not belong to you. HARDWARE REQUIREMENTS An Android smartphone with NFC. The Proxmark3 terminal requires a Proxmark3 device connected over USB OTG or Bluetooth.