# iPhone Ringtone Maker (.m4r) — yeezhan.com
> One-time pay-per-task emergency tool to make your file ready for submission.
> No credits, no balance. One payment unlocks one task result, valid for 24 hours.

Tool domain: https://ringtone-maker.yeezhan.com
Skill definition: https://ringtone-maker.yeezhan.com/skill/SKILL.md
API documentation: https://ringtone-maker.yeezhan.com/api/docs

## What this tool does
Turn any song into a 40-second iPhone ringtone with faded in/out ends — pick the exact chorus moment.

## Typical user problems
- iTunes only accepts .m4r files of at most 40 seconds, and manual trimming plus format conversion in GarageBand takes longer than the ringtone is. Pick a start point and length; the clip is cut, given a short fade-in and fade-out so it does not startle, and packaged as AAC in a true .m4r container.

## Parameters
- start_sec: number (range 0+s), required. 开始时间
- duration_sec: number (range 1-40s), required. 时长

## Pricing
- Watermarked preview: free, no login required
- Final clean output: $0.99 one-time per task
- Require login (email/phone OTP) to complete payment
- Result available for download 24 hours after payment

## Limitations
- Max 200 MB