Convert horizontal text to Japanese vertical writing. For social posts, haiku and tanka.
水蛙古 の飛池 音びや 込 む
When you paste it somewhere that displays text in a monospaced font, such as X (formerly Twitter) or a notes app, the columns line up neatly. Use it for haiku, tanka, and creative social media posts.
Yes. When you enable the option, long-vowel marks and brackets (such as （）and 「」) are replaced with their vertical-writing glyphs. Alphanumeric characters are automatically converted to full-width.
No. Conversion happens entirely in your browser, and the text you enter is never sent or stored anywhere. It is completely free.
