U+FDDE is not a valid Unicode code point / character.
It belongs to the "Arabic Presentation Forms-A" block which goes from 0xFB50 to 0xFDFF but is not defined in the Unicode 15.0 database of code points.
This code point first appeared in version of the Unicode® Standard and belongs to the "Arabic Presentation Forms-A" block which goes from 0xFB50 to 0xFDFF.
You can safely add this character in your html code with the entity: 
You can use the u+FDDE copy pc button below.
Easy u+FDDE copy paste:
Unicode meta-data
The following table show specific meta-data that is known about this character.
field | value |
---|---|
Codepoint (hex) | FDDE, uFDDE |
Legacy name (Unicode 1.0) | - |
Official name (Unicode 15.0) | - |
resolved name | |
block | Arabic Presentation Forms-A (Arabic_PF_A) |
common typos | u+DFDE, u+DFDE |
There are alternative spelling that can be found in the wild for the unicode character FDDE like u FDDE, (u+FDDE) or u +FDDE. You can also find u-FDDE, u*FDDE, un+FDDE, uFDDE, u=FDDE or c+FDDE. You can also spell it with u FDDE unicode, u plus FDDE, uncode FDDE or unicode + FDDE.
Glyphs and symbols in your browser
The following unicode chart presents different versions of the glyph corresponding to the unicode characters u+FDDE that are available on your computer.
In order to type this character easily, you may want to download and install a unicode Arabic Presentation Forms-A keyboard.
A sample of fonts are used below to display whether the character has a glyph in this font or not.
Encodings (Unicode characters converter)
The following character table converter for +uFDDE allows you to see the value of the character in different encodings
encoding | hexadecimal | decimal | binary |
---|---|---|---|
UTF-8 | EF B7 9E | 15710110 | 11101111 10110111 10011110 |
UCS2 | DE FD | 57085 | 11011110 11111101 |
UTF-16LE | DE FD | 57085 | 11011110 11111101 |
UTF-16BE | FD DE | 64990 | 11111101 11011110 |
UTF7 | 2B 2F 64 34 2D | 185478689837 | 00101011 00101111 01100100 00110100 00101101 |
UTF7-IMAP | 26 2C 64 34 2D | 163953521709 | 00100110 00101100 01100100 00110100 00101101 |