Mojisuu
Free Japanese character counter with real-time counts, byte sizes, and social media limits.
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- Category
- Productivity
- Launched
- September 29, 2026
- Pricing
- free
- Website
- mojisuu.app

Mojisuu is a free, browser based Japanese character counter that solves a specific problem: Japanese text has multiple counting conventions (with/without spaces and newlines, manuscript paper pages, UTF 8 vs Shift JIS bytes) and writers, students, and social media users need to match the exact standard required by their submission destination. Unlike generic English centric counters, Mojisuu displays all relevant metrics simultaneously and handles Japanese specific edge cases like full width spaces, emoji, combining characters, and Shift JIS unencodable characters.