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Punctuation Normalizer

Normalize and standardize punctuation marks in text, convert between Chinese and English punctuation

Key Facts

Category
Text Processing
Input Types
textarea, select, checkbox
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The Punctuation Normalizer is a precise utility designed to standardize punctuation marks within your text, ensuring consistency across documents by converting between Chinese and English styles or applying uniform formatting rules.

When to Use

  • •When preparing mixed-language documents that require consistent punctuation styles.
  • •When cleaning up text copied from various sources with inconsistent spacing and punctuation.
  • •When you need to convert full-width Chinese punctuation to half-width English punctuation for technical or coding purposes.

How It Works

  • •Paste your text into the input area.
  • •Select your preferred target punctuation style (English, Chinese, or Smart Mixed).
  • •Toggle options to normalize spaces and line breaks for a cleaner output.
  • •Click process to generate your standardized text instantly.

Use Cases

Standardizing academic papers or reports that contain both English and Chinese citations.
Cleaning up web-scraped content to remove inconsistent formatting and broken line breaks.
Preparing professional correspondence by ensuring all punctuation marks follow a unified style guide.

Examples

1. Standardizing Mixed-Language Reports

Technical Writer
Background
A report contains English technical terms mixed with Chinese descriptions, resulting in a chaotic mix of full-width and half-width commas and periods.
Problem
The document looks unprofessional due to inconsistent punctuation sizing.
How to Use
Paste the text, select 'English Punctuation', and enable 'Normalize Spaces'.
Example Config
targetStyle: english, normalizeSpaces: true
Outcome
All punctuation is converted to half-width, and irregular spacing is corrected, resulting in a clean, uniform document.

2. Cleaning Web-Scraped Data

Data Analyst
Background
Data collected from various forums contains erratic line breaks and mixed punctuation styles that interfere with data parsing.
Problem
The raw text is difficult to read and process programmatically.
How to Use
Paste the text, select 'Smart Mixed', and enable both 'Normalize Spaces' and 'Normalize Line Breaks'.
Example Config
targetStyle: mixed, normalizeSpaces: true, normalizeLineBreaks: true
Outcome
The text is normalized into a readable format with consistent line breaks and standardized punctuation, ready for analysis.

Try with Samples

text
Chinese-English Mixed Text Samples
Sample text files with mixed Chinese and English content for testing automatic spacing tools
matched family text
text
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
matched family text
text
Text Case Format Samples
Examples of different text case formats: camelCase, snake_case, kebab-case, PascalCase, and more
matched family text
text
Whitespace Normalization Samples
Sample text files with various whitespace issues for testing normalization tools
matched family text
text

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FAQ

Can I convert Chinese punctuation to English?

Yes, select 'English Punctuation' in the target style settings to convert all full-width Chinese marks to their half-width English equivalents.

What does 'Smart Mixed' mode do?

Smart Mixed mode automatically detects the context of your text and applies the most appropriate punctuation style for each segment.

Does this tool handle spacing issues?

Yes, by enabling 'Normalize Spaces', the tool will clean up irregular whitespace and ensure consistent spacing around punctuation marks.

Can I replace specific characters?

Yes, use the 'Custom Replacements' field to define your own character mapping rules using the 'old_text=new_text' format.

Is my data stored on your servers?

No, all text processing is performed locally in your browser to ensure your data remains private and secure.

API Documentation

Request Endpoint

POST /en/api/tools/punctuation-normalizer

Request Parameters

Parameter Name Type Required Description
text textarea Yes -
targetStyle select No -
normalizeSpaces checkbox No -
normalizeLineBreaks checkbox No -
customReplacements textarea No -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-punctuation-normalizer": {
      "name": "punctuation-normalizer",
      "description": "Normalize and standardize punctuation marks in text, convert between Chinese and English punctuation",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=punctuation-normalizer",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]