This tool lets you quickly compare the differences between two text files. It automatically compares two texts, marks the differences with clear results, and allows quick replacement of differing content.
This tool belongs to the “Text processing” category.
Your input is processed locally in the browser whenever possible. We do not store it.
Chinese is counted per character; English is reported both per character and per whitespace-separated word.
Bounded by the browser and the request size. Tens of thousands of characters are routine; split a whole book into chunks.
Many characters map one-to-many and need context. The tool uses common mappings — proof-read proper nouns.