🎙️ Live Microphone Detection
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Click "Start Listening" and press dial tones near your microphone, or use the keypad below.
🎹 DTMF Keypad Generator — Play tones to test detection
Click a key to play its DTMF tone. Tones will also be detected by the live decoder.
📂 Audio File Decoder — Upload WAV/OGG/MP3
Drop audio file or click to browse
WAV, OGG, MP3, M4A — Analyzes file for DTMF tones
📖 DTMF Frequency Reference
| Key | Low (Hz) | High (Hz) |
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