# Text Diff 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://text-diff.yeezhan.com
Skill definition: https://text-diff.yeezhan.com/skill/SKILL.md
API documentation: https://text-diff.yeezhan.com/api/docs

## What this tool does
Compare two text files line by line — see exactly what changed.

## Typical user problems
- Config drift, log differences, contract wording — eyeballing two files line by line misses changes. Get a precise red/green diff report.

## 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
- Exactly 2 text files
- First file = old (a), second = new (b)
- Files over 4000 lines use fast aligned mode