# Drop Shadow for PNG — 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://drop-shadow.yeezhan.com
Skill definition: https://drop-shadow.yeezhan.com/skill/SKILL.md
API documentation: https://drop-shadow.yeezhan.com/api/docs

## What this tool does
Add a soft, offset drop shadow to a transparent PNG — product shots and stickers that sit on the page.

## Typical user problems
- Transparent PNGs pasted onto white pages look like they are floating flat. A soft, offset shadow anchors the object — the standard treatment for product shots, stickers and mockups.

## Parameters
- blur: number (range 2-40px), required. 阴影模糊
- offset: number (range 0-50px), required. 偏移
- color: string, optional. 阴影颜色. #RRGGBB 或 #RRGGBBAA（末两位为透明度）

## 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