Romaji Converter
Paste kana or romaji, choose a direction, and review the local result.
A QUICK WALKTHROUGH
How to use this tool
- Paste kana or basic romaji.
- Choose a conversion direction.
- Review and copy the local result.
Finite kana mapping
Common kana, supported digraphs, and small-tsu gemination before a mapped consonant are handled; unsupported characters are preserved.
Basic token conversion
Basic romaji tokens, spaces, hyphens, and nn are recognized; kanji, punctuation rules, and alternate romanization standards are not inferred.
Local processing
Input and output stay in your browser and are not uploaded.
GOOD TO KNOW
Common questions
Does it transliterate all Japanese?
No. Only the finite mapping above is handled; unsupported characters remain unchanged.
Are digraphs and gemination handled?
Yes. Supported digraphs are recognized and small っ duplicates the next mapped token’s first consonant.
Is text uploaded?
No. Conversion stays local in your browser.