Here’s a suggestion for your npm package description in English:

```markdown
# ddmt-tool

A utility library that provides commonly used functions to simplify everyday development tasks. Whether it's string manipulation, array operations, or other frequent functionalities, `ddmt-tool` helps you work more efficiently.

## Installation

```bash
npm install ddmt-tool
```

## Usage Example

```javascript
import { Name } from 'ddmt-tool';

Name();
```

## Features

- String manipulation
- Array operations
- Custom utilities

For more features and usage instructions, please refer to the documentation.
```

This should give users a clear understanding of your package's purpose and how to use it.