Unicode Character "[" (U+FF3B)

The character (Fullwidth Left Square Bracket) is represented by the Unicode codepoint U+FF3B. It is encoded in the Halfwidth and Fullwidth Forms block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as [. Its mirrored character is (U+FF3D).

Main Unicode Properties

Name Fullwidth Left Square Bracket
Unicode Codepoint U+FF3B
Unicode Version 1.1 (June, 1993)
Block Halfwidth and Fullwidth Forms
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? Yes
Mirrored character (U+FF3D)

Other Unicode Data

Category Open Punctuation
Script Code for undetermined script
Combining Class Not Reordered
Decomposition mapping

U+FF3B Conversion

HTML (decimal) [
HTML (hex) [
HTML (named) -
URL Escape Code %EF%BC%BB
JavaScript, JSON \uFF3B
C, C++, Java \uFF3B
Python \uFF3B
Rust \u{FF3B}
Ruby \uFF3B

How to type "["

  • Windows ?: Hold Alt, then type F F 3 B. Release Alt.
  • Mac ?: Hold Alt ⌥, then type F F 3 B. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xEF 0xBC 0xBB
UTF-16 (hex) 0xFF3B
UTF-32 (hex) 0x0000FF3B