# Convert to AVIF (Modern Format) — 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://avif-convert.yeezhan.com
Skill definition: https://avif-convert.yeezhan.com/skill/SKILL.md
API documentation: https://avif-convert.yeezhan.com/api/docs

## What this tool does
Slash image size 50%+ by converting to AVIF — the next-gen format Chrome and Safari already serve.

## Typical user problems
- Your Lighthouse report blames the hero image. WebP helped in 2018 — AVIF is today's answer, and Chrome, Safari and Firefox all render it. You need the conversion done right, once.
- Lighthouse dings you for huge hero images. AVIF at quality 60 typically halves the size at identical visual quality — instant Core Web Vitals win.

## Parameters
- quality: number (range 30-95), required. AVIF 质量

## 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 input 50 MB
- Encoding is compute-heavy: large images take longer
- Output is always .avif