Why is the length capped at forty seconds?

Because that is already longer than any phone will play before giving up and going to voicemail, and it keeps the output small. The cap is applied before the file's own length, so a request for forty seconds on a twenty second file produces a twenty second ringtone rather than an error.

Why does the fade length get reduced sometimes?

Because it is limited to a quarter of the span, so a five second fade on a five second pick becomes one and a quarter seconds. That keeps the two fades from meeting in the middle, which would attenuate the whole ringtone rather than just its ends.

Can I use the result as an iPhone ringtone directly?

Not directly, because iPhones take the M4R format. The WAV is the correct starting point: convert it with the M4A converter and rename the result to the M4R extension, or copy the WAV into the ringtones folder on Android, which accepts it as it stands.

What makes a good start point?

A moment where the music is already moving, usually on a downbeat, with the end falling on another beat. Since the fades also serve as the loop point, a span that begins and ends on the same beat repeats convincingly, while one cut through the middle of a phrase will sound unfinished each time it wraps.

Does the tool change the level?

No. The span is copied and faded, and nothing else is altered, so a quiet master produces a quiet ringtone. If it needs to be louder, run the amplifier or the normalizer over the result, or over the source before cutting.

Ringtone Maker

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Audio Trimmer

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M4A Converter

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Audio Loop Maker

Create seamless audio loops

Ringtone Maker takes any span of a song and trims it to ringtone length with fades at both ends. The output is a WAV ready to be converted for a phone.

What is Ringtone Maker?

Choose the start, the length and the fade, drop a file, and process. The report gives the span in seconds, confirms the length is within the cap, and states the fade time applied.

The controls:

A start position from zero to six hundred seconds, so the first ten minutes of a file are reachable.
A length from five to forty seconds, defaulting to thirty.
A fade from zero to five seconds, in quarter-second steps, defaulting to one and a half.
A report line with the chosen span, the cap, and the fade, plus a reminder that the WAV is what a phone conversion starts from.

Three details do the work. The first is the cap at forty seconds, applied by taking the smaller of the requested length and the cap, and then the smaller of that and the audio remaining after the start point, so the span can never run past the end of the file. The second is the start position, which is clamped so that at least half a second of material is available after it, which prevents a slider at the very end of a long file from producing an empty result. The third is the fade. Both ends receive the same linear fade, and its length is limited to a quarter of the span, so a fade can never overrun the material it is shaping; a one and a half second fade on a thirty second pick is the usual starting point. Linear is the right curve here rather than exponential or equal power, because the output is going to be looped by the phone: a fade that reaches exact silence at each end gives the ring a clean seam if the phone repeats the file, and a fade that only approached zero would leave a small step at the wrap. That is also why the fades double as the loop point, which is worth knowing when choosing where to start. A span that begins on a beat and ends on one will loop convincingly; a span cut through the middle of a phrase will not, and the fade is the only part of that the tool can smooth.

What it does not do:

No phone format conversion here, so an iPhone ringtone still needs an M4R step.
The span is chosen by numbers rather than by dragging on a waveform.
One span per run, so a second candidate means processing again.
No volume adjustment, so a quiet master stays quiet.
No tempo or beat detection to help find a good start point.
Output is sixteen bit WAV.

Use it to turn a chorus into a ringtone, to cut an alert from a longer piece, or to make a short notification sound from a recording. When the aim is a seamless repeating bed rather than a phone alert, the loop maker finds the best cut point for you, and when the span needs precise ends or a different fade shape, the trimmer and the fade tool give the two operations separately with more control over each.

How to use Ringtone Maker

Drop an audio file onto the panel and note its duration.
Set the start position to the moment the ringtone should begin.
Choose a length within the forty second cap and a fade that suits the material.
Press process, listen to the result, and download the WAV for phone conversion.

When to use Ringtone Maker vs related tools

Ringtone Maker is the tool when a short, loopable extract of a longer piece is the goal. Audio Trimmer and Audio Cutter handle the same cutting without the length cap or the built-in fades. When a seamless repeating loop matters more than a phone alert, Audio Loop Maker chooses the cut point for you, and M4A Converter is the conversion step an iPhone ringtone needs after the WAV is made.

Privacy & Security

This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.