Audio Morse Code Translator — Decode Morse Code from Sound & Audio Files

This audio Morse code translator analyzes sound files directly in your browser using the Web Audio API. When you upload a WAV, MP3, or OGG recording, the tool measures signal energy across tiny time windows at a specific frequency. It detects when a Morse tone starts and ends, measures the duration of each tone and each silence, and classifies the segments as dots, dashes, letter gaps, or word gaps.

The translator then maps each segmented Morse pattern to its corresponding character using the standard International Morse code lookup table. The entire process — from audio upload to decoded text — happens in milliseconds, entirely within your browser's sandbox memory.

This audio Morse code translator is the main landing page for audio-based Morse decoding intent, serving users searching for phrases like "Morse code translator by sound," "decode Morse audio," and "Morse code audio decoder." No other tool on this site handles uploaded audio files.

For best results with this audio Morse code translator, start with the pitch set between 600 and 700 Hz — this is the most common frequency range for practice recordings and amateur radio Morse tones. If your recording uses a different pitch, adjust the frequency slider until the signal strength indicator responds to the Morse tones.

Set the sensitivity threshold just high enough to catch the Morse tone without triggering on background noise. Too low a threshold will cause the decoder to register static and hum as phantom signals, generating false characters. Too high a threshold will miss quieter tones, causing dropped characters in the output.

Use the learn Morse code by sound guide to understand why some audio clips decode cleanly and others produce garbled output. The guide explains timing rules, signal-to-noise requirements, and common recording issues. For quick character verification during decoding, reference the Morse code chart.

This audio Morse code translator is designed for pre-recorded audio files — WAV, MP3, or OGG recordings that already exist on your device. Upload the file and the entire recording is analyzed at once. This is ideal for archived practice sessions, downloaded training audio, or recordings shared by other operators.

If you need to decode Morse code from a live audio source — such as a radio transceiver, a practice oscillator, or a YouTube video playing in another tab — use our live Morse code decoder instead. The live decoder listens through your microphone in real time and displays characters as they arrive.

If your source is typed Morse code rather than audio, our Morse code decoder provides instant text-based conversion. For visual Morse code in images or screenshots, the image Morse code translator is the right tool.

Complete Privacy: All audio analysis runs locally in your browser. Your audio files are never uploaded to any server, never stored, and never shared. The Web Audio API processes the file entirely within your device's sandboxed browser memory.

Supported Formats: This audio Morse code translator supports WAV, MP3, and OGG audio formats. These cover the vast majority of Morse code practice recordings, ham radio recordings, and training materials available online.

No Installation Required: The translator works in any modern browser — Chrome, Firefox, Safari, or Edge — on desktop, laptop, tablet, or mobile phone. No software to download, no plugins to install, and no account to create.