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The <strong>Japanese Character Counter</strong> is a tool that allows you to instantly check character counts before posting to SNS. It accurately identifies full-width and half-width characters, and supports real-time character checks for various SNS platforms, including X (Twitter)'s weighted count (full-width = 2 units). Since it operates entirely client-side, no entered text is ever sent to a server.

All processing is completed within your browser. No entered text is ever sent to a server.

Initial release. Implemented full-width/half-width identification, X weighted count, 5 SNS support progress bar, and copy/clear functions.

Japanese Character Counter

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