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Chinese Character Extractor (汉字提取器)

Extract all Chinese characters from text, filtering out punctuation and English letters, numbers, and non-Chinese symbols

Include Chinese punctuation marks (，。！？、；：""''（）【】《》) in the extraction

Choose how to extract Chinese content

Return only unique characters/words/phrases (remove duplicates)

Key Facts

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

Overview

The Chinese Character Extractor is a text processing tool that isolates Chinese characters (Hanzi) from mixed-language content. It filters out non-Chinese elements like English letters, numbers, and punctuation, delivering clean Chinese text for analysis or use.

When to Use

  • •When extracting Chinese characters from text containing multiple languages or symbols.
  • •For cleaning data before natural language processing tasks involving Chinese text.
  • •To study or analyze Chinese vocabulary by isolating characters or words from larger texts.

How It Works

  • •Input your text into the provided textarea field.
  • •Configure options such as including Chinese punctuation or selecting extraction mode (characters, words, or phrases).
  • •Optionally, enable 'Unique Only' to remove duplicates and return distinct items.
  • •The tool processes the text and outputs the extracted Chinese content in JSON format.

Use Cases

Data preprocessing for machine learning models that require clean Chinese text input.
Language learning tools to generate vocabulary lists from Chinese articles or books.
Content moderation to filter out non-Chinese text from user-generated content in multilingual platforms.

Examples

1. Extracting Chinese Characters from Mixed-Language Feedback

Data Analyst
Background
A data analyst has customer feedback data with mixed English and Chinese text, but needs only the Chinese parts for sentiment analysis.
Problem
Manually separating Chinese text from English is time-consuming and prone to errors.
How to Use
Paste the mixed-language feedback into the Input Text field, set the mode to 'characters', and uncheck 'Include Chinese Punctuation' for clean extraction.
Outcome
The tool outputs a JSON list of all Chinese characters, ready for integration into the sentiment analysis workflow.

2. Generating a Unique Chinese Vocabulary List

Language Student
Background
A student is reading a Chinese novel and wants to create a list of unique words to study for vocabulary building.
Problem
Copying words manually and removing duplicates from the text is tedious and inefficient.
How to Use
Input a chapter of the novel into the tool, select 'words' mode, check 'Unique Only', and optionally include punctuation for context.
Example Config
{"mode": "words", "uniqueOnly": true, "includePunctuation": false}
Outcome
A JSON array of unique Chinese words is generated, which can be exported for flashcard creation or study sessions.

Try with Samples

image, video, text
Markdown Link Extractor Samples
Sample Markdown documents with various link types for testing the Markdown Link Extractor tool
title token extractor
image, text
Text with Chinese Samples
Mixed language text containing Chinese characters for testing Chinese extraction
title token chinese
text
Phone Number Extractor Samples
Collection of mixed text containing phone numbers from various countries for extraction testing
title token extractor
text
Changelog Extractor Samples
Various changelog formats for testing changelog parsing and extraction tools
title token extractor
text

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FAQ

What does the tool extract?

It extracts Chinese characters (Hanzi) based on Unicode ranges for CJK characters, filtering out non-Chinese content.

Can I include Chinese punctuation?

Yes, by checking the 'Include Chinese Punctuation' option, common Chinese punctuation marks will be included in the extraction.

What are the extraction modes?

You can extract individual characters, continuous sequences of characters (words), or phrases, depending on your needs.

How does the 'Unique Only' option work?

When enabled, it removes duplicate entries, returning only distinct characters, words, or phrases from the input.

What format is the output in?

The output is in JSON format, containing the extracted Chinese content as specified by your settings.

API Documentation

Request Endpoint

POST /en/api/tools/chinese-character-extractor

Request Parameters

Parameter Name Type Required Description
text textarea Yes -
includePunctuation checkbox No Include Chinese punctuation marks (，。！？、；：""''（）【】《》) in the extraction
mode select No Choose how to extract Chinese content
uniqueOnly checkbox No Return only unique characters/words/phrases (remove duplicates)

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-chinese-character-extractor": {
      "name": "chinese-character-extractor",
      "description": "Extract all Chinese characters from text, filtering out punctuation and English letters, numbers, and non-Chinese symbols",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=chinese-character-extractor",
      "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]