FAST · PRIVATE · PRACTICAL

实用浏览器工具和轻量小游戏

无需账户或上传文件，所有处理均在浏览器中完成。

工具

Clean CSV or Excel files locally: trim whitespace, normalize headers, flag empty cells, and remove exact duplicates.

Build valid Article, Product, LocalBusiness, or Organization structured data without uploading content.

Convert text between title, sentence, camel, snake, kebab, and constant case with instant counts.

Train sequence memory by repeating a growing pattern of original orbit signals.

Solve a touch-friendly 15-tile sliding number puzzle in the fewest moves.

Test reaction speed and accuracy while ignoring decoy signals.

Files and text stay on your device. Tools run locally, games are original, and no account is required.

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