Free online WAV to RTTTL converter

What the WAV format is

WAV is a container commonly used for uncompressed PCM audio, although it can also contain other codecs. It stores samples with properties such as sample rate, bit depth, channel count, and duration. Audio editors, digital audio workstations, voice recorders, CD-ripping tools, and operating-system recording applications commonly create WAV files. You encounter it when importing studio recordings, sound effects, speech recordings, or raw audio into editing software.

What the RTTTL format is

RTTTL, or Ring Tone Text Transfer Language, represents a ringtone with a short text string containing a name, default duration, default octave, tempo, and a monophonic note sequence. A typical value resembles melody:d=4,o=5,b=120:c,e,g. Notes can include sharps, pauses, octave changes, altered durations, and dotted lengths.

RTTTL is useful for legacy mobile phones, ringtone editors, embedded demonstrations, and applications that need compact musical instructions instead of an audio waveform. Its advantages are very small file size, human-readable syntax, and straightforward parsing. It cannot preserve vocals, timbre, effects, stereo placement, or the original recording quality.

How to actually convert WAV to RTTTL

1. Trim the WAV so it contains only the melody you want. A recording with speech, drums, reverb, background noise, or several simultaneous instruments may produce unreliable notes.
2. For the simplest method, open the WAV-to-RTTTL converter on 101convert.com, upload the WAV file, select RTTTL as the output format, and start the conversion. Download the generated text file and open it in a plain-text editor to verify the ringtone string.
3. For a manual or more controllable result, open the WAV in Audacity and use Effect → Pitch and Tempo → Change Tempo only when the recording needs timing adjustment. Use the waveform and spectrogram to identify the melody, then write each note as an RTTTL token such as 8c, 4d#, 2g., or 8p.
4. For recordings with a clearly isolated melody, use an audio-to-MIDI transcription tool such as Basic Pitch, then convert the MIDI notes into RTTTL notation with an appropriate MIDI-to-RTTTL utility or script. Basic Pitch can be installed with pip install basic-pitch and run with basic-pitch output input.wav. MIDI transcription is an intermediate step; it does not directly retain WAV audio.
5. Set RTTTL defaults for the target device, for example d=4,o=5,b=120, and keep the note sequence after the second colon. Save the result with a .rtttl extension if the receiving application expects a file rather than pasted text.

Quality, compatibility, and limitations

This is an audio-to-score conversion, not a codec conversion. A WAV containing a single clean, pitched melody can produce usable notes; speech, percussion, chords, and polyphonic music require transcription and often manual correction. RTTTL generally targets one melodic line, and devices may restrict maximum ringtone length, supported octave range, duration values, note count, or special syntax. Test the generated string in the destination editor or phone because RTTTL dialects differ, especially in their handling of dotted notes and octave numbering.