# Exam Photo Checker — 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://exam-photo-check.yeezhan.com
Skill definition: https://exam-photo-check.yeezhan.com/skill/SKILL.md
API documentation: https://exam-photo-check.yeezhan.com/api/docs

## What this tool does
Pre-check a registration photo against px / KB limits and auto-fix it into range — before the portal rejects it.

## Typical user problems
- 报名系统要求「295×413 以上、30–100KB 之间」，差一点都不收。先出检查报告，再自动放大到像素下限、JPEG 质量二分压进 KB 区间，直接交成品。

## Parameters
- min_px: number (range 16-10000px), required. 像素下限（最短边）. 常见标准：一寸 295×413，最短边 ≥295px
- min_kb: number (range 1-10000KB), required. 大小下限
- max_kb: number (range 1-50000KB), required. 大小上限

## Pricing
- Watermarked preview: free, no login required
- Final clean output: $2.99 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
- 输出 JPG 成品 + 文本报告预览