# CSV Cleaner & Splitter — 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://csv-clean-split.yeezhan.com
Skill definition: https://csv-clean-split.yeezhan.com/skill/SKILL.md
API documentation: https://csv-clean-split.yeezhan.com/api/docs

## What this tool does
Deduplicate rows by a column (or whole row) and split huge CSVs into row-limited chunks — Shopify / CRM upload limits solved.

## Typical user problems
- Marketing lists come with duplicate contacts, and Shopify / CRM / ad-platform imports reject files above a row limit. Dedupe and chunk in one upload.

## Parameters
- mode: enum, required. 模式
- dedupe_column: string, optional. 去重依据列名. 留空 = 整行完全一致才算重复
- rows_per_file: number (range 1-1000000), optional. 每个文件行数（拆分）

## 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 100 MB
- 输出统一为 ZIP