Full-width / Half-width Converter
Detect and convert full-width and half-width characters for OCR cleanup, imports, and mixed Chinese-English text.
Detect and convert full-width and half-width characters for OCR cleanup, imports, and mixed Chinese-English text.
Useful after copying web text, OCR output, or exported data with full-width numbers, letters, or punctuation that need normalization.
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Common use cases
- Normalize full-width numbers, letters, and punctuation after OCR, webpage copying, or system exports.
- Fix hidden full-width and half-width differences before search, deduplication, table import, or API comparison.
- Convert half-width text to full-width when a layout or data entry rule requires that style.