# MP4 Faststart (Web Streaming) — 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://mp4-faststart.yeezhan.com
Skill definition: https://mp4-faststart.yeezhan.com/skill/SKILL.md
API documentation: https://mp4-faststart.yeezhan.com/api/docs

## What this tool does
Move the moov atom to the front of an MP4 so it starts playing while still downloading.

## Typical user problems
- Most MP4s store the index (moov atom) at the end, so a browser must download the whole file before the first frame appears. Faststart rewrites the container with the index up front — no re-encoding, no quality loss, and playback begins immediately.

## Parameters


## 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
- MP4 / MOV input only