U+1F584 "🖄" Envelope with Lightning Unicode Character
Unicode Version 17.0
🖄
U+1F584 "🖄" Envelope with Lightning is a symbolic representation of a sealed letter struck by a lightning bolt, often interpreted as a sign of urgent, shocking, or electrifying communication. Part of the Miscellaneous Symbols and Pictographs block and added to Unicode in version 7.0 in 2014, this character blends the familiar imagery of an envelope with the dramatic energy of lightning, suggesting a message that is immediate, disruptive, or fraught with sudden revelation. Its use is typically metaphorical rather than literal, appearing in digital contexts to convey breaking news, startling information, or a need for swift attention.
General Properties
| Code Point | U+1F584 |
| Version Added | 7.0 |
| Name | Envelope with Lightning |
| Block | Miscellaneous Symbols and Pictographs |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | 🖄 |
| HTML Hex Encoding | 🖄 |
| UTF-8 Encoding | 0xF0 0x9F 0x96 0x84 |
| UTF-16 Encoding | 0xD83D 0xDD84 |
| UTF-32 Encoding | 0x0001F584 |
| C/C++/Java Escape | \ud83d\udd84 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |