# 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

> Canonical page: https://elysiatools.com/en/tools/chinese-character-extractor

- **Category:** Text Processing

- **Keywords:** chinese, character, extract, filter, hanzi, cjk, unicode, text, clean, remove, non-chinese

## 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.

## Inputs

- **Input Text** (textarea): Paste or type text containing Chinese characters to extract...
- **Include Chinese Punctuation** (checkbox): Include Chinese punctuation marks (，。！？、；：""''（）【】《》) in the extraction
- **Extraction Mode** (select): Choose how to extract Chinese content
- **Unique Only** (checkbox): Return only unique characters/words/phrases (remove duplicates)

## 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.

## Frequently asked questions

### 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.

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## Samples

- [Text with Emoji Samples](https://elysiatools.com/en/samples/text-with-emoji-samples): Mixed language text containing various Unicode emojis for testing emoji extraction
- [Special Characters Samples](https://elysiatools.com/en/samples/text-special-characters-samples): Sample text files with various special characters, punctuation, and symbols for testing non-alphanumeric character removal
- [Chinese-English Mixed Text Samples](https://elysiatools.com/en/samples/text-chinese-english-mixed-samples): Sample text files with mixed Chinese and English content for testing automatic spacing tools
- [Text with Chinese Samples](https://elysiatools.com/en/samples/text-with-chinese-samples): Mixed language text containing Chinese characters for testing Chinese extraction

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