Chinese Simplified/Traditional Converter & Pinyin Toolkit

What does Chinese Text Toolkit do?

Chinese Text Toolkit processes Chinese text in bulk:

• 🔄 Simplified ↔ Traditional conversion (OpenCC), including Taiwan and Hong Kong standards and phrase-level conversion (e.g. 软件 → 軟體, 信息 → 資訊)
• 🔤 Pinyin with tone marks (zhōng wén), tone numbers (zhong1 wen2), no tones, or initials (zw)
• ✂️ Word segmentation (jieba)
• 🏷️ Keyword extraction (TF-IDF)

简繁转换、拼音、分词、关键词提取，一次搞定。

Use it as a Simplified to Traditional Chinese converter, Chinese to Pinyin API, Chinese tokenizer or Chinese keyword extractor for thousands of texts at once.

Why use it?

• ⚡ Fast and offline – everything runs inside the Actor, no third-party APIs, no rate limits.
• 🌏 Correct regional variants – choose Mainland, Taiwan or Hong Kong Traditional.
• 🧩 One call, many tools – convert, romanize, segment and tag in a single run.
• 💸 Pay per text – one price per input string, no matter which features you turn on.
• 🤖 Agent and automation friendly – use it from Make, Zapier, n8n, the API or the Apify MCP server to localize product listings, subtitles, SEO slugs or search indexes.

How to use it

1. Add your strings to Texts (one item per text, up to 100,000 characters each).
2. Choose a Script conversion and Pinyin style.
3. Turn on Word segmentation or Keywords if needed.
4. Click Start and download the results.

Input example

{
  "texts": ["我们正在开发一个软件，用于处理简体中文和繁体中文的转换。"],
  "conversion": "s2twp",
  "pinyin": true,
  "pinyinStyle": "tone",
  "segment": true,
  "keywords": 5
}

Output example

{
  "index": 0,
  "input": "我们正在开发一个软件，用于处理简体中文和繁体中文的转换。",
  "converted": "我們正在開發一個軟體，用於處理簡體中文和繁體中文的轉換。",
  "conversion": "s2twp",
  "pinyin": "wǒ men zhèng zài kāi fā yí gè ruǎn jiàn yòng yú chǔ lǐ jiǎn tǐ zhōng wén hé fán tǐ zhōng wén de zhuǎn huàn",
  "pinyinInitials": "wmzzkfygrjyyclj...",
  "words": ["我们", "正在", "开发", "一个", "软件", "，", "用于", "处理", "简体中文", "和", "繁体中文", "的", "转换", "。"],
  "keywords": ["简体中文", "繁体中文", "软件", "转换", "开发"],
  "characterCount": 28,
  "hanziCount": 26
}

How much does it cost?

This Actor uses pay-per-event (PPE) pricing: you pay only for results, and the Apify platform compute it uses is already included.

Event	Price	Per 1,000
Text processed	$0.0005 per text	$0.50 per 1,000 texts
Actor start	$0.0005 per run	–

One price per text, whichever features (conversion, pinyin, segmentation, keywords) you turn on. For example, 1,000 texts cost about $0.50. The Actor start fee is charged once per run (one event per GB of memory; the default memory setting counts as one). You can set a maximum cost per run in the run options and the Actor stops cleanly when it is reached. Apify's free plan includes $5 of monthly credit, enough to try it at no cost.

Use cases

• Localize e-commerce listings and apps for Taiwan / Hong Kong
• Generate pinyin for names, SEO-friendly URL slugs and search indexes
• Pre-process Chinese text for NLP, RAG or LLM pipelines
• Language-learning content with tone-marked pinyin

FAQ

Which conversion modes are supported? All OpenCC modes: s2t, t2s, s2tw, tw2s, s2twp (with Taiwan phrases), tw2sp, s2hk, hk2s and more.

Are polyphonic characters handled? Pinyin is generated word by word, so common words get the correct reading (e.g. 银行 yín háng).

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Questions or feature requests? Use the Issues tab.