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Text Case Converter

A tool for batch-converting text between fullwidth and halfwidth characters, as well as upper and lowercase letters, with one-click mode switching. It supports alphanumeric and katakana conversions for comprehensive text standardization. Helpful for data cleansing, fixing inconsistent formatting in databases, and preparing uniform text for reports and publications.

Text Case Converter Features

  • Fullwidth ↔ halfwidth conversion for alphanumeric and katakana
  • Batch upper ↔ lowercase conversion
  • One-click conversion mode switching
  • Streamline data entry standardization

How to Use

  1. 1Enter text to convert in the text area
  2. 2Select conversion mode (fullwidth→halfwidth, upper→lower, etc.)
  3. 3Copy the converted result

FAQ

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