Chinese Document Converter

ChineseDocConverter is a free online tool for converting Chinese office files between Simplified and Traditional characters. You upload a Word, PDF, Excel, PowerPoint or text file, choose a conversion type, and download a new file. The converter is built to change the Chinese inside the document rather than asking you to copy everything into a text box and paste it back.

That difference matters for real documents. A Word file carries heading styles, lists and tables. An Excel workbook mixes labels with formulas. A PowerPoint deck keeps text in shapes that already have a layout. Converting the file in place is the point of this homepage. Converted files are available for 30 seconds, then they are deleted. Nothing is kept as a long-term copy on this server. See document privacy for the details.

This is character conversion, not translation. It will not rewrite a Mainland product name into a Taiwan marketing line, and it will not turn Chinese into English. If you need that distinction explained, read conversion vs translation.

The engine behind the dropdown is OpenCC, an open-source dictionary project for Chinese character standards. You pick a source and a target — for example Simplified to Traditional (Taiwan) — and the dictionaries replace characters and, if you choose a phrase type, some regional words. The meaning of the sentence is supposed to stay put. 学习 and 學習 are the same word in two official drawings.

Use this page when the language is already Chinese and only the written standard should change. Use the text converter when you only have a paragraph. Use Chinese to Pinyin when you need pronunciation spelling rather than a new character set. If the file already shows boxes or random symbols, stop and read garbled Chinese text first. Conversion cannot invent characters that were never stored.

Simplified Chinese is the official written standard in mainland China and is also used in Singapore. Traditional Chinese remains the usual written form in Taiwan, Hong Kong and Macau, and in a large share of overseas Chinese publishing. The two systems are related ways of writing Chinese, not two unrelated languages. A reader of one can often guess a good deal of the other, but schools, governments and user interfaces still pick one.

Many Simplified characters reduce stroke count, as in 国 versus 國. Some Simplified forms also merge several Traditional characters, which is why automatic conversion is not always reversible without context. 后 can stand for an honorific and for 後 (“after”). 发 can stand for 發 (“to develop”) and 髮 (“hair”). Going back to Traditional Chinese therefore requires a choice. Keep the original file; do not treat conversion as an archive format.

For the background, regional map and more examples, see Simplified vs Traditional Chinese. If you are converting in a specific direction, use Simplified to Traditional or Traditional to Simplified. Mergers are explained in one Simplified character, several Traditional forms.

History sits behind those lists. Chinese writing runs from oracle bones through bronze inscriptions and seal script to regular script. The twentieth century added official Simplified lists in the People’s Republic of China, while Taiwan, Hong Kong and Macau kept Traditional characters as living public standards. The converter maps those modern standards. It does not rewind a Word file to 甲骨文.

The dropdown uses OpenCC conversion types. These four cover most document jobs:

• Simplified → Traditional — a generic Traditional result when you do not need a regional standard.
• Traditional → Simplified — the usual choice for files that will be read in mainland China or Singapore.
• Simplified → Traditional (Taiwan) — Taiwan’s character standard. Use this for documents aimed at readers in Taiwan.
• Simplified → Traditional (Hong Kong) — Hong Kong’s character standard. Taiwan and Hong Kong Traditional are not identical; see Taiwan vs Hong Kong Traditional Chinese.

Phrase options add some regional wording on top of character changes — for example a software term that Taiwan and mainland China do not share. They are still not a translator. They will not localize jokes, legal disclaimers or a Cantonese written style into Taiwan Mandarin prose.

If the file is already Traditional and you only need to move it toward one city’s preferred glyphs, use Traditional to Traditional (Taiwan) or Traditional to Traditional (Hong Kong). That is normalization, not simplification. If you know the source is a Taiwan file going to Simplified readers, pick a Taiwan-to-Simplified type instead of the generic one.

After any automatic pass, skim names, headings and legal lines. Short labels give the dictionary almost no context. Proofreading conversions and one-to-many character mappings explain the usual surprises. Common conversion problems covers mojibake, mixed Japanese, and slides that overflow after Traditional characters get wider.

Upload Word (.docx), Excel (.xlsx), PowerPoint (.pptx), PDF or TXT. Older binary .doc files should be saved as .docx first. The same is true of .ppt: save as .pptx. PDFs only convert when the Chinese exists as text; a scan of a page needs OCR before character conversion can help. If you cannot highlight a sentence and copy it, the PDF is a picture.

For format-specific advice, use the document guides: Word (styles, headers, footnotes), PDF (text versus scans), Excel (labels beside formulas) and PowerPoint (shapes, masters, notes). If characters already look wrong before you upload, conversion will not invent the missing text — start with garbled Chinese text and fonts and Unicode.

Need only a paragraph, not a file? Use the text converter. To add reading aids rather than change the character set, use Chinese to Pinyin or the Pinyin Writer. Pinyin is a pronunciation spelling. It does not turn 国 into 國.

After you convert an office file, open the download and look where Chinese hides: Word headers and comments, Excel sheet tabs and validation lists, PowerPoint masters and speaker notes. Then check wrapping. Traditional text is often wider. A title that fitted Simplified labels may wrap. That is layout, not a dictionary bug. Download promptly; converted files are not an archive.