UnicodeCharactercom
NUL
U+0000 · NULL

Null

  • CodepointU+0000
  • NameNULL
  • Decimal0
  • BlockBasic Latin (U+0000–U+007F)
  • Plane0 — Basic Multilingual Plane
  • ScriptCommon
  • CategoryCc — Control
  • Unicode version1.1 (1993)
  • Bidi classBN — Boundary Neutral
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+0000 is NULL, a control character in the Basic Latin block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 1.1 (1993).

It is a control code inherited from ASCII. Unicode gives control codes no formal name, only the aliases NULL, NUL.

Its visible stand-in is U+2400 ␀ in the Control Pictures block.

§

Encodings & escapes

UTF-8 encoder →
UTF-8001 byte
UTF-1600001 code unit
UTF-32000000004 bytes
CSS\0in content: "…"
JavaScript\u0000
JSON\u0000
Python\u0000
Python\N{NULL}by name
Java / C#\u0000
Rust / Swift / PHP\u{0}
Go\u0000
Ruby\u0000
Escape sequence\0C, Python, JavaScript
URL-encoded%00percent-encoded UTF-8
§

Nearby in Basic Latin

All in block →
U+0001SOHStart of Heading U+0002STXStart of Text U+0003ETXEnd of Text U+0004EOTEnd of Transmission U+0005ENQEnquiry U+0006ACKAcknowledge