Unicode alphabet

Bold Italic Letter J

Copy the exact output for J/j, check its Unicode code point, and see whether this style preserves case or maps both forms to one symbol.

𝑱Input: uppercase J

𝒋Input: lowercase j

Case behavior: Uppercase J maps to 𝑱 and lowercase j maps to 𝒋. The two cases remain distinct in this style.

Unicode details for Bold Italic J

Input	Output	Mapping	Code point(s)	HTML entity
J	𝑱	Distinct uppercase mapping	U+1D471	𝑱
j	𝒋	Distinct lowercase mapping	U+1D48B	𝒋

Unicode alphabet. This style substitutes supported Latin letters, and digits when the set includes them, with assigned Unicode mathematical or letterlike characters. Unsupported characters stay unchanged. It is a character substitution, not CSS formatting or an installed font.

About this Bold Italic J mapping

Bold Italic J has separate Mathematical Bold Italic forms for uppercase and lowercase: 𝑱 and 𝒋. This preserves case while combining heavier strokes with a slanted letter shape.

Bold Italic examples for words beginning with J

The source words below begin with ordinary J. Copy the transformed result you want; effects such as Upside Down can also reorder a whole word.

𝒋𝒂𝒅𝒆Source: jade

𝒋𝒂𝒈𝒖𝒂𝒓Source: jaguar

𝒋𝒆𝒕Source: jet

𝒋𝒆𝒘𝒆𝒍Source: jewel

𝒋𝒐𝒖𝒓𝒏𝒆𝒚Source: journey

𝒋𝒖𝒏𝒊𝒑𝒆𝒓Source: juniper

𝒋𝒐𝒍𝒕Source: jolt

𝒋𝒖𝒃𝒊𝒍𝒆𝒆Source: jubilee

Want to type a full word? Open the Bold Italic generator to transform your own text. To compare this same letter across the whole indexed set, see J in different fonts, or use the alphabet below to inspect another letter in Bold Italic.

Bold Italic A to Z

𝒂 𝒃 𝒄 𝒅 𝒆 𝒇 𝒈 𝒉 𝒊 𝒋 𝒌 𝒍 𝒎 𝒏 𝒐 𝒑 𝒒 𝒓 𝒔 𝒕 𝒖 𝒗 𝒘 𝒙 𝒚 𝒛

Compare J in related styles

These alternatives were selected to show a useful contrast in weight, enclosure, spacing or case behavior.

𝐉Bold JCompare Unicode mapping and case behavior.𝐽Italic JCompare Unicode mapping and case behavior.𝙅Sans Bold Italic JCompare Unicode mapping and case behavior.𝒥Cursive Script JCompare Unicode mapping and case behavior.𝙹Monospace JCompare Unicode mapping and case behavior.

FAQ

Do uppercase J and lowercase j stay different in Bold Italic?

Uppercase J maps to 𝑱 and lowercase j maps to 𝒋. The two cases remain distinct in this style.

How do I copy and use 𝑱?

Use the Copy button above, paste the result into the field you want, and verify it before saving. Unicode support, fonts, moderation filters and character limits can differ between apps and devices.

Why can the same Unicode letter look different on another device?

The code point stays the same, but the receiving operating system or app chooses the font that draws it. Shape, weight, spacing or fallback rendering can therefore vary even when the copied character itself has not changed.

What is the Bold Italic letter J?

For uppercase J, Stylish Font Generator outputs 𝑱 (U+1D471). For lowercase j, it outputs 𝒋 (U+1D48B). Uppercase J maps to 𝑱 and lowercase j maps to 𝒋. The two cases remain distinct in this style.